John Gibson of Cambridge, Massachusetts: and his descendants, 1634-1899 By Mehitable Calef Coppenhagen Wilson Published by McGill & Wallace, 1900 Original from Harvard University Digitized Jan 31, 2008 542 pages married 1836 Silas Crockett Bradbury b. Brownfield, 1807 and drowned in Lake Michigan Oct 1847 married 1854 James Maher of Brownfield.