Geni lists his wife as Edyth-Gyll (6000000004360279767) - no maiden name provided.
Family Search lists two possible wives for Thomas.. Thomasine Jennings (1584 -1690) and Edith Grace MURRAY - Same birth and death dates as Ms. Jennings.
Ancestry lists the same two individuals as possible wives, depending on which tree you're looking at. Again, same birth and death dates for both persons.
Geni lists the mother of Thomas Gill as Elizabeth-Gill/6000000015232393851.
Family search lists the mother of Thomas as Elizabeth Gracy. Ancestry lists the mother as Elizabeth Grace Murray - the same as Geni. All three sites list the birth and death dates of the mother as circa 1560 - ?(Geni),' 1602 (F. Search) ; 1632 (Ancestry).
Edith Murray vs Elizabeth Murray?? Different people? Who's Thomasine Gennynge or jennings?
Also, Thomas, his father, and his mother all died on the same day. Weird, but possible