William is said to have moved into his father's old residence at Union Village in 1733. William sold the property in 1744 to Joseph Arnold. They were both deceased the next year. Rhode Island History, 1878; quoted online
William's wife was Dinah Arnold.
William was of Smithfield, later of Providence. His will was written 18 Nov 1745; recorded 29 Jan 1746. His inventory included a vessel and cargo at sea.
26 Sep 1750, Elenathan Comstock, William's daughter chose her "father in law" [stepfather] Joseph Kilton as her guardian. 13 Feb 1756, Penelope, another daughter chose George Brown as her guardian.
Dinah & William Comstock's children were James, Jonas, Andrew, b. 1743, Elenathan, and Penelope, b. ca 1744.
Her second husband, Joseph Kilton wrote his will 23 Jun 1756. He mentioned that his sons Arnold & Joseph Kilton Jr. should have furniture that was his prior to his marriage with wife Dinah.