Joseph Ketcham born circa 1685 at Newtown, Suffolk Co, New York, son of John Ketcham and Bethiah Richardson. He married Martha Phillips, daughter of Daniel Phillips and Martha Owens, on 7 Apr 1714 at Newtown Presbyterian Church, Newtown, Suffolk Co, New York. He resided between 1685 and 1732 at Newtown, Suffolk Co, New York. He was elected Constable on 7 Apr 1713 at Newtown, (Queens Co), New York. He and Martha Phillips were sold Newtown plantation on 19 Apr 1732 at Newtown, New York. He immigrated in 1732 to Christiana, Delaware. He immigrated to New Jersey.
Children of Joseph Ketcham and Martha Phillips were as follows:
1. Joseph Ketcham, born 17 Mar 1715; married Gertrude Johnson. 2. John Ketcham, born 17 Mar 1722; married Winseah Cook. 3. Absolem Ketcham; born 8 Jul 1725 died 11 Nov 1817 at age 92. 4. Jacob Israel Ketcham married Martha (--?--); born circa 1732 at Delaware. 5. Hannah Ketcham.