Very interesting, Sinann, especially since both sons Sidney & Vincent seem to go by heir middle name and there's a daughter Elizabeth Kathleen.
This could be the father James Smyth- which mean they were still at that address in 1925-
Irish Times, Sept.1925: CHARGE OF REMOVING HORSE AND RECORD ROOKS. James Smyth, Everton, Templeogue, was charged at Rathfarnham District Coast Yesterday with having, in April last, wilawfully entered ...
Weekly Irish Times (Dublin), 26 Sept.1925: ... at Kilmainham District Court on Monday, in the case against James Smyth, Everton, Templeogue, who was charged with having in April last taken mare from the Butterfield Home of Rest for Animals at Templeogue, and sold to a man named Lawless. A second charge was that ...