| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Belfast Newsletter Death Notices | X | 1891-1896 | X | Belfast, Northern Ireland | X | Various | X | Angela Coogan Johnston |
| Edward Coogan | X | 19 MAY 1973 | X | Belfast, Antrim | X | JAN 2008 | X | Jim Coogan |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Freemans Journal Death Notices | X | 1769-1871 | X | Carlow, Ireland | X | Various | X | Angela Coogan Johnston |
| Irish Independent Death Notices | X | 1911-2013 | X | Carlow, Ireland | X | Various | X | Angela Coogan Johnston |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Irish Independent Death Notices | X | 1911-2013 | X | Clare, Ireland | X | Various | X | Angela Coogan Johnston |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Irish Examiner Death Notices | X | 2001-2001 | X | Cork, Ireland | X | Various | X | Jim Coogan |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Freemans Journal Death Notices | X | 1769-1871 | X | Dublin, Ireland | X | Various | X | Angela Coogan Johnston |
| Irish Independent Death Notices | X | 1911-2013 | X | Dublin, Ireland | X | Various | X | Angela Coogan Johnston |
| Patrick Joseph Coogan | X | 18 AUG 1888 | X | Dublin, Dublin | X | JUN 2009 | X | Jim Coogan |
| James Coogan | X | 25 DEC 1980 | X | Dublin, Dublin | X | MAR 2009 | X | Jim Coogan |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Freemans Journal Death Notices | X | 1769-1871 | X | Galway, Ireland | X | Various | X | Angela Coogan Johnston |
| Irish Independent Death Notices | X | 1911-2013 | X | Galway, Ireland | X | Various | X | Angela Coogan Johnston |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Freemans Journal Death Notices | X | 1769-1871 | X | Kildare, Ireland | X | Various | X | Angela Coogan Johnston |
| Irish Independent Death Notices | X | 1911-2013 | X | Kildare, Ireland | X | Various | X | Angela Coogan Johnston |
| Mrs. Coogan | X | [01] OCT 1822 | X | Leixlip, Kildare | X | JUN 2009 | X | Google Books |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Irish Independent Death Notices | X | 1911-2013 | X | Kilkenny, Ireland | X | Various | X | Angela Coogan Johnston |
| Mary Coogan | X | 15 JAN 1876 | X | Ballyragget, Kilkenny | X | DEC 2021 | X | Boston College Libraries |
| Michael Coogan | X | 28 NOV 1891 | X | Castlecomer, Kilkenny | X | DEC 2021 | X | Boston College Libraries |
| Mary Coogan | X | 03 JUN 1935 | X | Castlewarren, Kilkenny | X | DEC 2014 | X | Angela Coogan Johnston |
| Teresa Coogan | X | 30 NOV 1935 | X | Clifden, Kilkenny | X | JAN 2015 | X | Angela Coogan Johnston |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Michael Coogan | X | [02 DEC 1854] | X | [...], Longford | X | DEC 2021 | X | Boston College Libraries |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Irish Independent Death Notices | X | 1911-2013 | X | Louth, Ireland | X | Various | X | Angela Coogan Johnston |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Freemans Journal Death Notices | X | 1769-1871 | X | Meath, Ireland | X | Various | X | Angela Coogan Johnston |
| Irish Independent Death Notices | X | 1911-2013 | X | Meath, Ireland | X | Various | X | Angela Coogan Johnston |
| Meath Chronicle Death Notices | X | 2009-2010 | X | Meath, Ireland | X | Various | X | Meath Chronicle |
| Joshua Coogan | X | 16 JUL 1859 | X | Stedalt, Meath | X | NOV 2006 | X | IrelandOldNews.com |
| Oliver Coogan | X | DD MMM 2005 | X | Navan, Meath | X | DEC 2010 | X | HoganStand.com |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Irish Independent Death Notices | X | 1911-2013 | X | Monaghan, Ireland | X | Various | X | Angela Coogan Johnston |
| Edward Coogan | X | 12 OCT 1878 | X | Corduff, Monaghan | X | DEC 2021 | X | Boston College Libraries |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Philip John Coogan | X | 10 OCT 2022 | X | Castlerea, Roscommon | X | JAN 2023 | X | Midwest Radio |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Irish Independent Death Notices | X | 1911-2013 | X | Waterford, Ireland | X | Various | X | Angela Coogan Johnston |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Irish Independent Death Notices | X | 1911-2013 | X | Wexford, Ireland | X | Various | X | Angela Coogan Johnston |
| Description | X | Timeframe | X | Location | X | Submitted | X | Contact |
| Freemans Journal Death Notices | X | 1769-1871 | X | Wicklow, Ireland | X | Various | X | Angela Coogan Johnston |
| Irish Independent Death Notices | X | 1911-2013 | X | Wicklow, Ireland | X | Various | X | Angela Coogan Johnston |