[4] He served churches in Charleston, Orangeburg, Santee, Camden and Abbeville, South Carolina.
[2][4] He was the author of a biography of Bishop William Theodotus Capers as well as an autobiography, both of which were published posthumously.
[6] Wightman married Maria Davies, a Methodist who helped fundraise for the establishment of the Scarritt Bible and Training School in Kansas City, Missouri alongside Belle Harris Bennett.
[1][2] The Wightman United Methodist Church, built in 1914 in Bowman, South Carolina, was named in his honor.
[8] His "photographic portrait", done by Elmer Talmage Clark, is in the special collections of the Bridwell Library, located at the Perkins School of Theology on the Southern Methodist University campus in Dallas, Texas.