I think that I was too hasty with that comment. It appears that there was another John Irwin Flynn who was married to Lilly Ann Hilliard. Sorry for the previous post.John Irwin Flynn - Biography comments:
John Irwin Flynn was born on 20 June 1875.
He had three "wives".
His first was Lilly Ann Hilliard 1869-1952 with whom he had at least two children:
Hilliard Gladstone Flynn 1896-1977 and
Hope Laurence Wilfrid Flynn 1898-1918, nicknamed Jerry