Marriage St Nichols 3rd August 1847
Patrick Murray to Maria Brennan witnesses Thos McShane,Cathy Delaney no other details given.
Marriage St Marys Pro Cathedral 26 Nov 1881
Bernard Murray son of the above deceased as of 1881 10 UPR Abbey St to
Teresa Gahan dtr of William Gahan and Eliza McAneany also decd
witnesses Christopher Grant,8 Arnott st,Dympna Gahan 10 upr Abbey St.
1901 census Lily Murray age 7 at 28.1 Cuffe St with above parents.
1911 census Elizabeth Murray age 18 100 Leeson St Upr
Marriage St Andrews 18th April 1917
Elizabeth Murray 23 Sth King St dtr of Bernard Murray bootmaker to
John McCune,Stoker H M S Princess Mary son John McCune decd witnesses her brother and sister Edward and Mary Murray.
Possible ship Princess Mary11
Built in 1911 by Day ,Summers & Co Southampton
first owned by IOW&S of England Royal Mail Steam Packet Co.
Taken over by the Royal Navy Admiralty and used as a minesweeper, survived the war but was sank off the Darndales circa 1919 after hitting a submerged wreck.
This will have to be your next step finding records for the above ship and whether John was in the Navy or a Civilian worker.
Best of luck with your search, regards Dathai.