Thomas married Anna. Anna died in Westminster, MA in 1788.
Children of Thomas and Anna Bemis, born at Westminster, include:
i. Thomas Bemis, m. at Westminster 3 Sep 1787 Lucy Green (d. 13 Sep 1824 at Westminster); and
ii. Anna Bemis, b. 22 Apr 1741, d. 26 Feb 1832 at Westminster, m. 1755 John Estabrook (b. 20 Oct 1729 at Lexington, MA, d. 1804 at Westminster, son of John & Prudence (Harrington) Estabrook).