HappyChappy did you find out more in 2012 when you previously looked for information?
Previous requestNLI piece on Constable James O'Brien #168B DMP 98621901 census1911 CensusWilliam, his wife, parents and sister on the 1901 census as referred to
William and his wife on the 1911 census; they were married 15 years and had no children
There is a church marriage record for them
William O’BRIEN Ballybeg, Glin
to Ellen STACKPOOLE, Tullileague, Glin
on July 29 1897
in Glin RC Church registered in Tarbert No. 2 Civil District
Witnesses were John CULHANE and Jane STACKPOOLE
Cornelius O'BRIEN m Mary AHERN in Glin RC on Feb 17 1855
They had at least 9 children who were all baptised in Glin RC as BRIEN:
1 Johanna bap. 02 Oct 1856 who must have died an infant as there is a second Johanna
2 Patrick bap 29 Dec 1858
3 Mary bap 15 Jun 1859
4 Johanna bap 15 Dec 1860
5 James bap 11 Apr 1862 who must have died an infant as there is a second James
6 Bridget bap 23 Jan 1864
7 William bap 14 Aug 1865
8
James bap 13 Feb 1868 9 Cornelius bap 04 Jan 1871