I know looking for info. more on your grandfather rather than gg/f but thought I’d post these details confirming address 1911 Irish census
George Nixondocument Year: 1908
Regimental Number: RFRA5589
Regiment Name: Royal Artillery (Royal Horse Artillery and Royal Field Artillery)
Form Title: Army Reserve (Special Reserve)
Born c 1888, Birr, Hair Red, eyes Grey, 5ft 8, C of E, Farm labourer
Joined 29/10/06
Next of kin father
John, Mother
Jane (Older brother
John) Leinster Regt. Tipp’
Address Parkmore Roscreadetails difficult to read as document very dark, hopefully have names correct
Robert Nixon Leinster Regt. 7177068,
assested 18/6/04 jointed 21/6 discharged 3/7/22
Address Grove St., Crinkle Birr
Hair light brown, eyes blue, 5ft 7, scar back of head, right side and front of chest
Birth Place: Roscrea, Tipperary
Next of kin address
Parkmore Roscrea Co. TipperaryFather
John, mother
JaneBrother
John (older) 2/ Leinster Regt.
William with father
George (?gt?) with father
Robert married Sarah Robinson 18/?/09
(Robert & Sarah together Barrack St. in 1911 with son Thomas)
James NixonRegiment: Prince of Wales's Leinster Regiment (Royal Canadians)
Regimental Number: 9146
Death Date: 19 Apr 1915
Death Place: France
Birth Place: Birr, Ireland
https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=11583862&ref=acomson of
John & Jane Nixon of Parkmore RoscreaNot sure what's available or where you'd look but have you thought about looking at the Electoral Register for Roscrea, Tipperary to see if his name comes up there (although I guess it could be like looking for a needle in a haystack probably plenty with the same name)