The books Descendants of Richard Coman of Salem, Massachusetts, and Providence, Rhode Island, by Shirley Bickel and Descendants of Roger Williams, Book 1: The Waterman and Winsor Lines Through His Daughter Mercy Williams, by Dorothy Higson White and Kay Kirlin Moore provide broader information on Deacon Coman.
It includes two marriages, to Hannah Angell Coman and Prudence Fiske Coman. His children are also more numerous, although seemingly only with Hannah Coman:
Mercy Coman Mason (1776-1850)
Richard Coman (1778-1841)
Sarah Coman Follett (1781-1862)
Mary Coman Wells (1781-1850)
Ruth Coman (ca. 1782 - 1811)
Hannah Coman Munro (1784-1859)
Daniel Coman (1786-1828)
Nedebiah Coman (1789-1793)
More information on his burial is available here: https://www.findagrave.com/memorial/116802803/daniel-coman.