I have a Jeremie Washington Fairfield in my file b. 13 Oct 1891 in Rockland d. 10 Apr 1971 m. Josephine Payer date unknown. Although Fairfield translates to Beauchamp, it's my belief that he is an actual Fairfield, as his grandfather John Gilbert Fairfield (b. c1805) was a Protestant American, not Catholic French Canadian. My working theory is that he is one of the Fairfields from Maine, although I have no proof yet.
I have lots of information about John Gilbert Fairfield's descendents including Washington's parents and siblings. John himself is a brick wall, but I'm willing to exchange the information I have with you. Washington's aunt Georgiana Fairfield was my gggrandmother -- what is your connection?