| Clann Chaomhanach abu : in memory of Michael Kavanagh of Bunclody, Co. Wexford | Merrigan, Michael | Article in Journal | | 1998 |
| Dalkey, county Dublin | Merrigan, Michael | Article in Journal | | 1998 |
| Ireland of the hidden centuries | Merrigan, Michael | Article in Journal | | 1999 |
| Irish military archives. A genealogical source? | Merrigan, Michael | Article in Journal | | 1996 |
| Liam Mac Alasdair, FGSI | Merrigan, Michael | Article in Journal | | 2016 |
| Michael Joseph Merrigan, 1926-1994 | Merrigan, Michael | Article in Journal | | 1995 |
| No wonder I can't tan | Merrigan, Michael | Article in Journal | | 2015 |
| Number twenty nine. A jewel of Georgian Dublin | Merrigan, Michael | Article in Journal | | 1993 |
| Old Irish genealogies : sources much neglected by researchers | Merrigan, Michael | Article in Journal | | 1997 |
| Oldest Merrigan will found? | Merrigan, Michael | Article in Journal | | 1995 |
| Orphaned in Kingstown? | Merrigan, Michael | Article in Journal | | 1998 |
| Reformatory and industrial schools in Ireland. The missing link in genealogical research? | Merrigan, Michael | Article in Journal | | 1996 |
| Religious census of the parish of Monkstown county Dublin 1766 | Merrigan, Michael | Article in Journal | | 1992 |
| Strike across the empire | Merrigan, Michael | Article in Journal | | 1993 |
| The Irish in Holyhead - a miscellany | Merrigan, Michael | Article in Journal | | 1999 |