link Mary ___ married first to Michael2 Wood and second 7 Mar 1677/8 to Thomaas1 of Sudbury. She must have died by 1689 because Thomaas1 of Sudbury married third to Arabella Thong 29 Dec 1689. Arabella was named as his wife in his will.
Torrey suggests she may be a Thompson: Torrey 3:1709 1642 Concord,Middlesex,Massachusetts,United States WOOD, Michael (-1674) & Mary [THOMPSON?], m/2 Thomas READ 1678; by 1642, by 1638; Concord {Lexington 422; Wheeler 25; Fulton Anc. 588; Wood (,4) 1; Wood (,7) 9; Hosmer Anc. 10; Barney 54; Stevens-Miller 175}