| Counties of south Ulster, 1834-38 : Cavan, Leitrim, Louth, Monaghan and Sligo | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1998 |
| Cultivating a Love for Knowledge: Two hundred Years of the Belfast Natural History and Philosophical Society, 1821-2021 | | Monograph or Collective Volume | Belfast Natural History and Philosophical Society | 2023 |
| Glimpses of Ireland's past - the Ordnance Survey memoir drawings : topography and technique | Day, Angélique | Monograph or Collective Volume | Royal Irish Academy | 2014 |
| Letters from Georgian Ireland : the correspondence of Mary Delany, 1731-1768 | | Monograph or Collective Volume | | 1991 |
| Letters from Georgian Ireland : the correspondence of Mary Delany, 1731-68 | Connolly, SybilDay, AngéliqueDelany, Mary | Monograph or Collective Volume | Friar's Bush | 1991 |
| Marie Angélique de la Cherois : life of a Huguenot heiress, 1700-1771 | Day, Angélique | Article in Book | | 1987 |
| Ordnance survey memoirs 1830-40 | Day, Angélique | Article in Journal | | 1983 |
| Pamphlets, Protestants, and pragmatics : a comparison of collections | Day, Angélique | Article in Journal | | 1986 |
| Parishes of County Antrim, 1832-8. Vol. 2 : Lisburn and South Antrim | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1991 |
| Parishes of County Antrim, 1838-9. Vol. 1 : Ballymartin, Ballyrobert, Ballywalter, Carnmoney, Mallusk | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1990 |
| Parishes of County Antrim, XIV : 1832, 1839-40 : Carrickfergus | | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies, in association with the Royal Irish Academy | 1996 |
| Parishes of County Antrim. Vol. 10 : 1830-1, 1833-5, 1839-40 : East Antrim : Glynn, Inver, Kilroot and Templecorran | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1994 |
| Parishes of County Antrim. Vol. 11 : 1832-3, 1835-9 : Antrim town and Ballyclare | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1995 |
| Parishes of County Antrim. Vol. 12 : 1832-3, 1835-40 : Ballynure and district | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1995 |
| Parishes of County Antrim. Vol. 3 : 1833, 1835, 1839-40 : Larne and Island Magee | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1991 |
| Parishes of County Antrim. Vol. 4 : 1830-8 : Glens of Antrim | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1992 |
| Parishes of County Antrim. Vol. 5 : 1830-5, 1837-8 : Giant's Causeway and Ballymoney | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1992 |
| Parishes of County Antrim. Vol. 6 : 1830, 1833, 1835-8 : South West Antrim | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1993 |
| Parishes of County Antrim. Vol. 7 : 1832-8 : South Antrim | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1993 |
| Parishes of County Antrim. Vol. 8 : 1831-5, 1837-8 : Ballymena and West Antrim | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1993 |
| Parishes of County Antrim. Vol. 9 : 1830-2, 1835, 1838-9 : North Antrim coast and Rathlin | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1993 |
| Parishes of County Armagh, 1835-8 | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1990 |
| Parishes of County Donegal. Vol. 1 : 1833-35 : North-east Donegal | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1997 |
| Parishes of County Donegal. Vol. 2 : 1835-36. Mid, west and south Donegal | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1997 |
| Parishes of County Down, 1832-4, 1837. Vol. 2 : North Down and the Ards | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1991 |
| Parishes of County Down, 1834-6. Vol. 1 : South Down | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1990 |
| Parishes of County Down. Vol. 3 : 1833-8 : Mid-Down | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1992 |
| Parishes of County Down. Vol. 4 : 1833-7 : East Down and Lecale | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1992 |
| Parishes of County Fermanagh, 1834-5. Vol. 1 : Enniskillen and Upper Lough Erne | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1990 |
| Parishes of County Fermanagh. Vol. 2 : 1834-5 : Lower Lough Erne | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1992 |
| Parishes of County Londonderry, 1830, 1834, 1836. Vol. 1 : Arboe, Artrea, Ballinderry, Ballyscullion, Magherafelt, Termoneeny | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1990 |
| Parishes of County Londonderry, 1833-5. Vol. 2 : Roe Valley Central | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1991 |
| Parishes of County Londonderry, X : 1833-5, 1838 : Mid-Londonderry | | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies, in association with the Royal Irish Academy | 1995 |
| Parishes of County Londonderry, XI : 1821, 1833, 1836-7 : South Londonderry | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1995 |
| Parishes of County Londonderry, XII 1829-30, 1832, 1834-36 : Coleraine and Mouth of the Bann | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1995 |
| Parishes of County Londonderry, XIII 1831-8 : Clondermot and the Waterside | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1996 |
| Parishes of County Londonderry. Vol. 14 : 1833-4, 1836, 1838 : Faughanvale | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1996 |
| Parishes of County Londonderry. Vol. 3 : 1831-5 : Roe Valley Lower | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1991 |
| Parishes of County Londonderry. Vol. 4 : 1824, 1833-5 : Roe Valley Upper | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1992 |
| Parishes of County Londonderry. Vol. 5 : 1830, 1833, 1836-7 : Maghera and Tamlaght O'Crilly | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1993 |
| Parishes of County Londonderry. Vol. 6 : 1831, 1833, 1835-6 : North-East Londonderry | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1993 |
| Parishes of County Londonderry. Vol. 7 : 1834-5. North-west Londonderry | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1994 |
| Parishes of County Londonderry. Vol. 8 : 1830, 1833-7, 1839 : East Londonderry | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1994 |
| Parishes of County Londonderry. Vol. 9 : 1832-8 : West Londonderry | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1995 |
| Parishes of County Tyrone, 1821, 1823, 1831-6. Vol. 1 : North, West and South Tyrone | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1990 |
| Parishes of County Tyrone. Vol. 2 : 1825, 1833-5, 1840 : Mid and East Tyrone | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1993 |
| Portraying Donegal : the ordnance survey memoirs | Day, Angélique | Article in Journal | | 1999 |
| Springhill : an old Ulster house and the people who lived in it | Day, AngéliqueLenox-Conyngham, Mina | Monograph or Collective Volume | Ulster Historical Foundation | 2005 |
| The computer as a source for Irish history | Day, Angélique | Article in Book | | 1990 |