| 14240 | Alexandra College | | 1867-1868 | Bound volume of Exam Papers, 1867-1868. | |
| 14316 | Alexandra College | | 1868-1951 | Material relating to Katherine M. Preston, 1868-1951... | |
| 14174 | Ardagh and Clonmacnoise Diocesan Archives (RC) | | 1868 | Letter no 44 From McGaver, N. Killashee, stating the... | McCabe Papers |
| 14175 | Ardagh and Clonmacnoise Diocesan Archives (RC) | | 1868 | Franciscan Convent, Drumshambo: Letter no 282 From ... | McCabe Papers |
| 14201 | Ardagh and Clonmacnoise Diocesan Archives (RC) | | 1867
1868 | Letter no 281 A letter entitled, 'The State of my S... | McCabe Papers |
| 14221 | Ardagh and Clonmacnoise Diocesan Archives (RC) | | 1868 | Item no 33 A Bill passed for the establishment of P... | McCabe Papers |
| 14341 | Ardagh and Clonmacnoise Diocesan Archives (RC) | | 1868 | Letter no 34 From Sr M. Lucy Duffy, Convent of Mercy... | Conroy Papers |
| 13189 | Armagh County Museum | 1936/74 | 1868 | Water-colour: City of Armagh, painted by Margaret L.... | |
| 13190 | Armagh County Museum | 1939/3 | 1868 | Water-colour, Folly Lake by Margaret L.F. Wray, 1868... | |
| 16413 | Armagh Diocesan Archive (RC) | | 1868-1872 | Material relating to the Religious, includes:Folder ... | Primate McGettigan Archive |
| 19146 | Armagh Robinson Library | Volume 1860-1869 | 1868 | An extract from the Armagh Guardian on the annu... | Dean Rennison Papers |
| 4510 | Brother Allen Archive | Box 211 | 1803-1868 | Diary of Ms Penella Lenigan of Castle Fogarty, 1843.... | Brother Allen Archival Collection |
| 24469 | Brother Allen Archive | Box 231 | 1868 | Copy of Irish Lyrical Poems by Mrs O'Donovan Rossa,... | Brother Allen Archival Collection |
| 13077 | Cork City and County Archives | U166 | 1819-1868 | Cork Chamber of Commerce Minutes 1819-1868. | |
| 14437 | Cork City and County Archives | B530 | 1868-1918 | Established in 1889 with the purchase of the former ... | Cork Spinning and Weaving Company |
| 3094 | Dún Laoghaire-Rathdown County Council | LA1/2 | 1868-1873 | Minutes of the Blackrock Town Commissioners and Urba... | Blackrock |
| 3117 | Dún Laoghaire-Rathdown County Council | LA1/ | 1868-1898 | Rough Minutes of the Blackrock Town Commissioners an... | Blackrock |
| 19913 | Erasmus Smith Schools Archives | | 1868-1914 | Letters, applications, reports and circulars regardi... | Erasmus Smith Archives |
| 62 | Irish Dominican Congregation Archives | I 5 | 1868-1968 | Adelaide (1868) Collection includes:Diary, 1868Diary... | Dominican Archives, Cabra |
| 24531 | Irish National Teachers' Organisation | | 1868-1903
1904-1966 | Union Journals: Irish Teachers Journal, 1868-1903 Ir... | |
| 21733 | Kerry Diocesan Archives (RC) | MR34 | 1868 | Letter regarding Kenmare Family and Countess Catheri... | Bishop David Moriarty, 1856-1877 |
| 20948 | King's Hospital School | 33-48 | 1859-1868 | 33 Board Committee Agenda Book, 1859 - 1868. | King's Hospital Records |
| 20995 | King's Hospital School | 65-82 | 1858-1868 | 79 Annual Accounts, 1858 - 1868. | King's Hospital Records |
| 21133 | King's Hospital School | 196-215 | 1868-1871 | 203A Fee Register, 1968 - 1871. | King's Hospital Records |
| 14147 | Louth County Archives | | 1868-1877 | Rental Books for Sir Cavendish Foster, 1868-1877, 12... | |
| 20281 | Meath Local Studies and Family History Department | FJC | 1868-1925 | Wool Book, May 1868-June 1925. | F. and J. Clayton Company Records |
| 20119 | Meath Local Studies and Family History Department | Box F/ | 1868 | 1 Lease of land to Laurence Rogers at Castletown by ... | Mountainstown Documents |
| 4011 | National Archives of Ireland | 1050/5 | 1858-1868 | Minute Books of the Boardroom Meetings of the Truste... | Molyneux Home for the Blind |
| 8967 | National Archives of Ireland | | 1868 | Landed Estates Court, Rentals, Alicia Anderson, 28 F... | Incumbered estates/Landed Estates Court |
| 13191 | National Archives of Ireland | CRF1868 M19 | 1868 | Petition of Elizabeth Meneely, farmer, aged 64, Coun... | Convict Reference Files, 1836-1922 |
| 15211 | National Archives of Ireland | 98/9 | 1868-1882 | St Catherine's National School, Meath Street, Dublin... | Selection of Private Accessions, 1980-2002 |
| 15237 | National Archives of Ireland | 2000/27 | 1868-1994 | National School records for Presentation Primary Sch... | National Schools, Private Accessions |
| 15385 | National Archives of Ireland | 99/56/10/26/3 | 1868 | Papers relating to King's County. Settlement on the ... | Family and estate records. 1611-1948 |
| 15408 | National Archives of Ireland | 99/56/10/39/1 | 1868 | Papers relating to King's County. Appointment by Lew... | Family and estate records. 1611-1948 |
| 14373 | National Archives of Ireland | | 1788-1868 | The National Archives holds a wide range of records ... | Transportation Database, 1778-1868 |
| 161 | National Library of Ireland | Ms18573 | 1868-1870 | 3 letters from C S Parnell to agents relating to dom... | |
| 913 | National Library of Ireland | Ms5655 | 1868 | Specification of alterations and additions to Mareti... | |
| 952 | National Library of Ireland | Ms11217 | 1866-1868 | Seven documents concerning education in Ireland, 186... | Mayo Papers |
| 954 | National Library of Ireland | Ms11223 | 1868 | Letters to Lord Naas, Viceroy of India, on Indian af... | Mayo Papers |
| 1517 | National Library of Ireland | Ms2198 | 1868-1872 | Correspondence on personal topics from Maria Luce, o... | |
| 1945 | National Library of Ireland | Ms4495 | 1868-1880 | Baptism and birth certificates of the male and femal... | |
| 2354 | National Library of Ireland | Mss8945-8970 | 1867-1868 | Correspondence to and from Professor John Cairnes, i... | Cairnes Papers |
| 2604 | National Library of Ireland | Ms4493 | 1862-c1868? | Letter Book containing copies of letters from John E... | |
| 2968 | National Library of Ireland | Ms8907 | 1845-1868 | Miscellaneous correspondence of the Humphreys family... | |
| 3017 | National Library of Ireland | Ms9608 | 1813-1868 | Record of births, marriages and deaths of members of... | |
| 6903 | National Library of Ireland | Ms18899 | 1856-1868 | Letters to John Barrymore Macnamara, Ennistymon from... | Stacpoole Kenny Papers |
| 9113 | National Library of Ireland | Mss14662-14664 | 1861-1868 | Rent Books of tenants of Lord Inchiquin, 1861-1868, ... | Inchiquin Papers |
| 9175 | National Library of Ireland | Ms15147 | c. 1830-1868 | Letters to Thomas Kemmis, correspondents include his... | Kemmis Papers |
| 9695 | National Library of Ireland | Ms17808 | 1868-1869 | Autograph letter of Charles Stewart Parnell to Mr Jo... | |
| 10081 | National Library of Ireland | Ms16184 | 1835
1868 | Journal by Elizabeth H Batt, [afterwards Mrs Otway?]... | |
| 10750 | National Library of Ireland | Mss19901-19902 | 1857-1868 | Twelve Registers of letters received by the agent (T... | |
| 10803 | National Library of Ireland | Ms20745 | 1868 | Documents relating to the Landed Estates Court: Esta... | Teeling Papers |
| 11003 | National Library of Ireland | Ms18573 | 1868-1870 | Five letters of members of the Parnell family, inclu... | |
| 11605 | National Library of Ireland | Ms12561 | 1867-1868 | Killala Poor Law Union Minute Book, 5 October 1867-3... | |
| 11641 | National Library of Ireland | Ms12490 | 1867-1868 | Claremorris Poor Law Union Minute Book, 31 August 18... | |
| 5453 | Newtown School, Waterford | BB/10 | 1868 | Catalogue of Library Collection, 1868. | |
| 18885 | Offaly Archives | OCL GJ1/1; GJ1/2 | 1830-1868
1852-1878 | 16 Presentment or 'Jobs' Books for the years 1830-18... | Records of King's County Grand Jury |
| 18888 | Offaly Archives | OCL INF 2/1 | 1837-1852
1861-1868 | Register of Patients:
/1 - Extern Patient Register,... | Records of King's County Infirmary |
| 18990 | Offaly Archives | OCL P17 | 1868-1901 | 1 bound volume. Rental of the estate of the Earl of ... | Rental of the Estate of the Earl of Charleville |
| 21349 | Our Lady's Hospital, Ennis | | 1868-1946 | Register of Admissions:January 1898-8 July 1903, (2 ... | |
| 21358 | Our Lady's Hospital, Ennis | | 1868-1951 | Admission/Committal Forms of Clare District Lunatic ... | |
| 21365 | Our Lady's Hospital, Ennis | | 1868-1961 | Financial Statement Books:1868-18751875-18821882-189... | |
| 21366 | Our Lady's Hospital, Ennis | | 1868-1969 | Register of Reception:April 1869-March 1871May 1871-... | |
| 6346 | Public Record Office of Northern Ireland | D/3244 | 1802-1868 | A detailed calendar of these papers is available. T... | |
| 7146 | Public Record Office of Northern Ireland | D/2957 | 1868-1884 | This collection includes character references for 3 ... | |
| 7148 | Public Record Office of Northern Ireland | D/2959 | 1868-1900 | 2 copy out-letter books of J N Richardson, Mount Cau... | Richardson Papers |
| 7502 | Public Record Office of Northern Ireland | D/489/2 | 1868-1879 | Account book of Miss Bruce, 1868-1879. | Bruce Papers |
| 7762 | Public Record Office of Northern Ireland | MIC/249/2 | 1868 | Microfilmed copies of Banbridge Masonic Lodge Number... | Banbridge Masonic Lodge Papers |
| 7834 | Public Record Office of Northern Ireland | T/1015/1-4 | c.1868-1919 | A copy of a letter from J.J. Knox Johnston, County T... | |
| 7995 | Public Record Office of Northern Ireland | T/1443/1-2 | 1685-1868
1660-1867 | Pedigree of the Sinclair family, Comber, County Down... | |
| 8126 | Public Record Office of Northern Ireland | T/1866/1 | 1868-1903 | Copies of letters from Miss Thompson, Wayside, Artic... | |
| 8410 | Public Record Office of Northern Ireland | T/2627/5 | c1802-c1868 | This collection of papers have been copied from Hamp... | Wickham Papers |
| 8454 | Public Record Office of Northern Ireland | T/273/1 | 1647-1868 | Short account of the Trail family of Blebe, Scotland... | |
| 508 | Religious Society of Friends in Ireland Historical Library | Portfolio 14 | 1785-1868 | Newsom Correspondence Collection, 1785-1834: 5 Eliz... | Handlists/Portfolio |
| 1220 | Religious Society of Friends in Ireland Historical Library | P990-991 | 1868 | Family Groups: P990 Filing Cabinet 3 Envelope cont... | Photographic Collections |
| 1258 | Religious Society of Friends in Ireland Historical Library | | 1868 | Art: Framed painting by Lydia Shackleton, 1868v of A... | Museum Collection |
| 1353 | Religious Society of Friends in Ireland Historical Library | Deed Box XV | 1725-1868 | Folder 4.1b Jane Curtis, wife of John Curtis, Dubli... | Deed Boxes, Miscellaneous, New Shelf Head Lists |
| 3580 | Religious Society of Friends in Ireland Historical Library | LGM/5/14/Reel 33 | 1812- c1868 | Accounts of Suffering, Lurgan Monthly Meeting, 1812-... | |
| 5338 | Religious Society of Friends in Ireland Historical Library | MMX/G1-2 | 1783-1868 | Sufferings: MMX/G1 Sufferings for Tithes, 1783-1798... | County Tipperary Monthly Meeting |
| 22383 | Religious Society of Friends, Cork | | 1868-1896 | Minute Book of Quarterly Meeting of Women Friends, p... | |
| 22095 | Representative Church Body Library | B10 | 1867
1868
1869
1870 | Rural Deans' Returns for the Diocese of Cloyne:1... | St Fin Barre's Cathedral Cork Archive |
| 22096 | Representative Church Body Library | B10 | 1867
1868
1869
1870 | Rural Deans' Returns for the diocese of Cork and... | St Fin Barre's Cathedral Cork Archive |
| 102 | Roscommon Local Studies and Archives | | 1868-1921 | Minute Books (Not Digitised):18 October 1867 - 4 Apr... | Strokestown Poor Law Union |
| 22395 | Royal College of Physicians of Ireland | | 1667-1868 | Roll of Kings and Queen's College of Physicians, 166... | Kings and Queens College of Physicians |
| 24929 | Royal Irish Academy of Music | | 1868-1871 | 5: 9 December 1868 - 29 November 1871, regarding soc... | |
| 24930 | Royal Irish Academy of Music | | 1864-1868 | 4: 18 May 1864 - 2 December 1868, regarding administ... | |
| 13192 | St Senan's Hospital, Enniscorthy | | 1868-1984 | Register of Insurances c.1940-c.1970. Surgeon/Denti... | |
| 19842 | Tipperary Studies | | 1868 | Rental and particulars of the lands of Cooleeshill, ... | Tipperary Landed Estates Records |
| 10253 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs10930/2 | 1868 | Addresses from teachers and members of the Cork Stre... | |
| 10366 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs3774 | 1868-1891 | Poems, short stories, newspaper cuttings of Elizabet... | H.O. White |
| 11195 | Trinity College Dublin, Manuscripts and Archives Department | V20-28 | 1868-1911 | Diaries of Lady Charlotte Elizabeth Stopford, 1868-1... | Courtown Papers |
| 11965 | Trinity College Dublin, Manuscripts and Archives Department | TCDMss4176-4180 | 1792-1868 | A selection of the correspondence of Sir Philip Cram... | Crampton Papers |
| 6866 | UCC Special Collections & Archives | BL/EP/G/655 | 1868 | Memorial Card for Margaret Grehan, died, aged 75, 26... | Grehan Estate Collection |
| 6224 | Ulster University Special Collections, Magee Campus | | c.1868-c.1983 | Collection of c.3000 photographic negatives of local... | Photographic Collections |
| 24119 | Union Theological College | | 1868 | S.D. Burnside, 'Sexton's daughter' (Belfast, Mayne, ... | Union Theological College Pamphlet Collection |
| 19189 | Westmeath County Archives Department | | 1858-1859
1868-1869 | Mullingar Poor Law Union Porter's Books: [includ... | Mullingar Poor Law Union |
| 19194 | Westmeath County Archives Department | | 1867-1868 | Mullingar Poor Law Union Cream Account Book: [includ... | Mullingar Poor Law Union |