Raymond Kavanagh Stetson

My Grandmother-In-Law, was married briefly to, a Raymond Stetson of Massachusetts. I am curious to know, what year they were married, and what year he died. His full name was, Raymond Kavanagh/Kavanaugh Stetson. He was born, somewhere in Maine. His birth year, was in about 1911. He died, in Quincy, Massachusetts in December of 1968. Is anyone familar with this man, or his family?