John and Mary were married no date known he died 13/11/1934
They had 3 children Charles Thomas he is my direct grandfather 28/4/1903
Micheal 13/1/1906
Rosanna Josephine born March 1909 she died a year later
Charles changed his name to john Charles and married Elizabeth Burke they had 7 children 1 of which was my mother Mary
Hope this helps
Going further back Jon McAleer born 10/12 1871 he was 27 and married Sarah who was 29 so now you know good luck with your search