Complex sentence: Due to ill health he retired and he returned to Ireland in June 1937, to live in Blackrock, Co. Dublin, passed away at his home in Blackrock, Dublin on 1 March 1945.
Split into simpler sentences: Due to ill health he retired and he returned to Ireland in June 1937, to live in Blackrock, Co. Dublin. He passed away at his home in Blackrock, Dublin on 1 March 1945.