Your grandfather was James F. Concannon (b. Dec 1882 in Boston, MA). Your great-grandfather(my grandfather)was Dominick Concannon (1862-1935). Dominick married Anna McDonough 05 Feb 1862 in Malden, MA. They had 6 children including your grandfather, James, and my mother, Elizabeth (1898-1967). Dominick's father was James Concannon (b. c.1840 in Galway, Ireland). Your sister, Joan, has the family tree chart.