algfg on Family Tree Circles

My grandfather, John Foy, married Maggie about 1878. They had 5 sons. She died in Nov 1886, in Springfield, MA, just 3 months after the birth of her youngest child. She was born in Canada in 1855, and when she and John were first married, they lived in Southbridge, MA. She had cousins named Michael, Maurice (who married Rose Burke), and Bartholomew Hannon, and another cousin named Michael who married Julia. They had three children: Florence (who married a Mr. Hutchins), Hazel(who married a Mr. Driscoll), and Clare. I'd like to know who their common relative was so that I could tie them together in a family tree.