| Bedding ceremonies | Fitzsimons, Fiona | Article in Journal | | 2019 |
| Cardinal Wolsey, the native affinities, and the failure of reform in Henrician Ireland | Fitzsimons, Fiona | Article in Book | | 2004 |
| Catholic Parish Registers | Fitzsimons, Fiona | Article in Journal | | 2015 |
| Churching | Fitzsimons, Fiona | Article in Journal | | 2020 |
| Convert rolls 1703-1849 and Catholic qualification rolls 1774-1845 | Fitzsimons, Fiona
| Article in Journal | | 2016 |
| Deaf records | Fitzsimons, Fiona | Article in Journal | | 2017 |
| DNA as a source for family history | Fitzsimons, Fiona | Article in Journal | | 2018 |
| Estate records as a source for family history | Fitzsimons, Fiona | Article in Journal | | 2015 |
| Evidence in folklore for Irish family history | Fitzsimons, Fiona | Article in Journal | | 2022 |
| Fosterage and Gossiprid in late medieval Ireland : some new evidence | Fitzsimons, Fiona | Article in Book | | 2001 |
| From Moneygall to the White House, Eneclann's Fiona Fitzsimons traces President Barack Obama's Irish ancestry back to a small village in Co. Offaly | Fitzsimons, Fiona | Article in Journal | | 2011 |
| Herald's Visitations in Ireland (Kindred Lines) | Fitzsimons, Fiona | Article in Journal | | 2025 |
| How Anglo-Norman names were Hibernicised | Fitzsimons, Fiona | Article in Journal | | 2019 |
| Huguenot records | Fitzsimons, Fiona | Article in Journal | | 2017 |
| Inquisitions post mortem and inquisitions post attainder - lesser-used sources for Irish genealogy | Fitzsimons, Fiona | Article in Journal | | 2013 |
| Inventing invention | Fitzsimons, Fiona | Article in Journal | | 2019 |
| Irish geneologies : a useful source or just propaganda? | Fitzsimons, Fiona | Article in Journal | | 2014 |
| Irish Reproductive Loan Fund Institution (RLFI) | Fitzsimons, Fiona | Article in Journal | | 2021 |
| Irish schools' registers | Fitzsimons, Fiona | Article in Journal | | 2016 |
| Is family history 'real' history? | Fitzsimons, Fiona | Article in Journal | | 2013 |
| Kindred Lines : army discharge records | Fitzsimons, Fiona | Article in Journal | | 2020 |
| Lunatic asylum records | Fitzsimons, Fiona
| Article in Journal | | 2017 |
| Medical drawings. William Wallace Papers, Royal College of Surgeons in Ireland | Fitzsimons, Fiona | Article in Journal | | 2018 |
| Morgue and coroners' records | Fitzsimons, Fiona | Article in Journal | | 2018 |
| Newspaper death notices | Fitzsimons, Fiona | Article in Journal | | 2018 |
| Ordnance Survey employment records | Fitzsimons, Fiona | Article in Journal | | 2019 |
| Ordnance Survey employment records | Fitzsimons, Fiona | Article in Journal | | 2019 |
| Outrage reports | Fitzsimons, Fiona | Article in Journal | | 2022 |
| Poor Law Union Archives - one of the biggest untapped resources for Irish family history | Fitzsimons, Fiona | Article in Journal | | 2015 |
| Presbyterian records (including Covenanters & Seceders) | Fitzsimons, Fiona | Article in Journal | | 2018 |
| Prison photographs | Fitzsimons, Fiona | Article in Journal | | 2016 |
| Quaker records in Ireland | Fitzsimons, Fiona | Article in Journal | | 2016 |
| Raising the Irish Militia | Fitzsimons, Fiona | Article in Journal | | 2022 |
| Records of the Court of Petty Sessions, c.1822-1924 | Fitzsimons, Fiona | Article in Journal | | 2024 |
| Records of the Irish Land Commission | Fitzsimons, Fiona | Article in Journal | | 2013 |
| Records of the Irish Land Commission | Fitzsimons, Fiona | Article in Journal | | 2014 |
| Records of the Irish Land Commission | Fitzsimons, Fiona | Article in Journal | | 2013 |
| Registers of licences to pass beyond the seas, 1573-1677 | Fitzsimons, Fiona | Article in Journal | | 2019 |
| Registers of successful vaccinations | Fitzsimons, Fiona | Article in Journal | | 2020 |
| Schulze marriage register, 1806-37 | Fitzsimons, Fiona | Article in Journal | | 2020 |
| Sources for childrem raised in Care in Ireland 1840s to 1990s | Fitzsimons, Fiona | Article in Journal | | 2013 |
| Sources for children in institutional care in Ireland, 1840s-1990s | Fitzsimons, Fiona | Article in Journal | | 2014 |
| Sources for children raised in care in Ireland 1840s to 1990s | Fitzsimons, Fiona | Article in Journal | | 2013 |
| The 1939 Register | Fitzsimons, Fiona | Article in Journal | | 2021 |
| The Irish in the 1921 census of England and Wales | Fitzsimons, Fiona | Article in Journal | | 2022 |
| The Irish National Aid and Volunteer Dependants' Fund | Fitzsimons, Fiona | Article in Journal | | 2016 |
| The lordship of O'Conor Faly, 1520-1570 | Fitzsimons, Fiona | Article in Book | | 1998 |
| The return of the native | Fitzsimons, Fiona | Article in Journal | | 2022 |
| Tithe applotment books | Fitzsimons, Fiona | Article in Journal | | 2019 |
| Tracing Black, Asian, Minority-Ethnic (BAME) and mixed-race people in Ireland, c.1700-1922, part 1 | Fitzsimons, Fiona | Article in Journal | | 2020 |
| Tracing first world war ancestors | Fitzsimons, Fiona | Article in Journal | | 2014 |
| Tracing people on the land in the Tudor and Jacobean Plantations | Fitzsimons, Fiona | Article in Journal | | 2024 |
| Tracing the Irish in the American Civil War | Fitzsimons, Fiona | Article in Journal | | 2014 |
| Transportation records | Fitzsimons, Fiona | Article in Journal | | 2017 |
| Travel permits 1940-1952 | Fitzsimons, Fiona | Article in Journal | | 2021 |
| Travellers and family history | Fitzsimons, Fiona | Article in Journal | | 2018 |
| WO 35: army in Ireland, administrative and Easter Rising | Fitzsimons, Fiona | Article in Journal | | 2016 |