| 14201 | Ardagh and Clonmacnoise Diocesan Archives (RC) | | 1867
1868 | Letter no 281 A letter entitled, 'The State of my S... | McCabe Papers |
| 16222 | Birr Castle Archives | A-W | 1866 | N8/1: Small envelope of newspaper cuttings regarding... | The Rosse Papers |
| 1165 | Cork Public Museum | AQNO1973:74 | 1867 | Photograph of Captain Mackey (copy) and his wife, Su... | |
| 13186 | Cork Public Museum | AQNO1984:89 | 1867 | Red Cross medal '1867 Nederlands Roode Kruis'... | |
| 6262 | Cultural Heritage Services Library, Armagh | 300.9415 | 1867
1881 | 2 bound and printed volumes of the Transactions of t... | |
| 22905 | Cultural Heritage Services Library, Armagh | | 1866 | Rental, maps and descriptive particulars of the land... | |
| 52 | Irish Dominican Congregation Archives | G3 | 1867 | English translation of a Petition regarding a dispen... | Dominican Archives, Cabra |
| 21781 | Kerry Diocesan Archives (RC) | C109/5 | 1867 | Miss Hussey, and Dingle Convent, Dunraven Charity, a... | John Coffey, 1889-1904 |
| 13185 | Kilmainham Gaol Museum | 07LG-1C45-15 | 1866 | Baptismal certificate of Maria McDonald, December 18... | Easter Week |
| 21150 | King's Hospital School | 232-236A | 1866 | 225F Mercer's Rental, 1866. | King's Hospital Records |
| 21209 | King's Hospital School | 5/ | 1866 | 14 Mercers's School Quarterly Abstract of Expenditur... | Mercer's School |
| 20248 | Meath Local Studies and Family History Department | Box H/ | 1867 | 8 List of Deeds and documents, 1867. | Mountainstown Documents |
| 20593 | Meath Local Studies and Family History Department | Box E/ | 1867 | 30 Lease of land to Patrick Nulty at Rathlaggan by R... | Mountainstown Documents |
| 3961 | National Archives of Ireland | CSO/ICR 13 | 1866 | Habeas Corpus Suspension Act, 1866: Indexed lists of... | Irish Crimes Records |
| 3963 | National Archives of Ireland | CSO/ICR 15 | 1867 | Fenianism: Index of names, 1867. | Irish Crimes Records |
| 4852 | National Archives of Ireland | 999/283/1 | 1866 | Agreement for sale by Mary Anne Hill, Royal Terrace,... | House for Fallen Females/Northcote Rescue Home, 1866-1920 |
| 8862 | National Archives of Ireland | | 1867 | Wills and Other Testamentary Records - Administratio... | |
| 8863 | National Archives of Ireland | | 1852
1867 | Wills and Other Testamentary Records - Administratio... | |
| 12181 | National Archives of Ireland | FileA/242 | 1866 | Includes letter to Sir Thomas from Wodehouse, 3 Apri... | Fenian Papers |
| 15443 | National Archives of Ireland | 999/14/4 | 1867 | Assignment by Anna Gaffney otherwise Skelleen, Bay V... | Small Private Accessions |
| 951 | National Library of Ireland | Ms11208 | 1867 | Six documents relating to the post of resident physi... | Mayo Papers |
| 953 | National Library of Ireland | Ms11218 | 1867 | Documents relating to distress in County Cork, Count... | Mayo Papers |
| 2584 | National Library of Ireland | Ms7266 | 1867 | An account of the religious retreat by Mrs MacCarthy... | |
| 3736 | National Library of Ireland | Ms13310 | 1867 | A personal journal kept by a teacher, unidentified, ... | |
| 9562 | National Library of Ireland | Ms29770(122) | 1867 | Part of marriage settlement of Charles M. Doyne and ... | Doyne Papers |
| 9563 | National Library of Ireland | Ms29770(124) | 1867 | Release, to facilitate a marriage settlement, betwee... | Doyne Papers |
| 9564 | National Library of Ireland | Ms29770(125) | 1867 | Deed of annuity between R Doyne, C M Doyne, Mary Ann... | Doyne Papers |
| 9565 | National Library of Ireland | Ms29770(127-129) | 1867 | Marriage settlement and epitome of same, of C M Doyn... | Doyne Papers |
| 11638 | National Library of Ireland | Ms12487 | 1866 | Claremorris Poor Law Union Minute Book, 10 March 186... | |
| 11639 | National Library of Ireland | Ms12488 | 1866-1867 | Claremorris Poor Law Union Minute Book, 8 September ... | |
| 11640 | National Library of Ireland | Ms12489 | 1867 | Claremorris Poor Law Union Minute Book, 2 March 1867... | |
| 18971 | Offaly Archives | OCL BG158/7 | 1866 | Rate Return Form. Returns form for Tullamore Union f... | Rate Return Form |
| 6777 | Public Record Office of Northern Ireland | D/2204/ | 1867
1871 | D/2204/16 and D/2204/18-19 3 letters to Mrs Akinson,... | |
| 1266 | Religious Society of Friends in Ireland Historical Library | | 1867 | Art: Pencil sketch of Miss L Pim 1867. Comic drawing... | Museum Collection |
| 4157 | Religious Society of Friends in Ireland Historical Library | Deed Box X | 1866 | Bridget Carroll, nee Boylan, Meath Street, Dublin: F... | Deeds |
| 22385 | Religious Society of Friends, Cork | | 1867
1869 | Legal documents relating to the Munster Female Bount... | |
| 22093 | Representative Church Body Library | B10 | 1864
1865
1866
1870 | Diocese of Cork and Ross Visitation Books, Vicar Gen... | St Fin Barre's Cathedral Cork Archive |
| 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 |
| 22097 | Representative Church Body Library | B10 | 1863
1866 | Rural Deans' Reports for the Diocese of Cloyne, ... | St Fin Barre's Cathedral Cork Archive |
| 19827 | Tipperary Studies | | 1853
1867 | Nenagh Poor Law Union Burial Rate BooksArdcroney Bur... | Nenagh Poor Law Union |
| 10175 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs7890/9 | 1866
1911 | Childers Photograph Collection, miscellaneous identi... | Erskine Childers Papers |
| 10204 | Trinity College Dublin, Manuscripts and Archives Department | TCDMs9886 | 1866 | Diary of Miss Elsie Burgess, born c1866, fiancée of... | Henry John Allen Papers |