The Silvernails with Frederick Cookingham in 1850 are children of John T. Silvernail & wife Margaret. Baptisms of 4 of their children from St. Thomas Lutheran Church, Churchtown:
Mary Jane 24 Feb 1839, born 6 Feb 1839
Catharine Christina 26 Jul 1840, born 20 Jun 1840
Vashti Matilda 28 May 1842, born 11 Dec 1841
Martha Malesta 6 May 1845, born 25 Sep 1844
John Thomas Silvernail was born 3 Oct 1816, baptized 27 Oct 1816 at St Thomas, the son of Wilhelm C. Silvernail & Catharina.