| Author | Title | Article | Details | Reference | Location | Comment |
|---|---|---|---|---|---|---|
| Susan Hood |
Irish Roots |
Birr, Co. Offaly: its history and records |
Cork Belgrave Publications 1992 - |
No. 3, 1995, 27-29 |
National Library of Ireland Ir 9292 i 5 |
|
| J.M. Masters |
The Irish Genealogist |
The Usshers of Birr |
|
V 1978 606-624 |
National Library of Ireland Ir 9291 i 2 |
|