↑1860 United States Federal Census (1) Database online. Pottsville Middle Ward, Schuylkill, Pennsylvania, post office Pottsville, roll M653_1178, page 178, image 180.
Record for George C Wynkoop _FOOT: Ancestry.com, 1860 United States Federal Census (Provo, UT, USA: The Generations Network, Inc., 2004), Database online. Pottsville Middle Ward, Schuylkill, Pennsylvania, post office Pottsville, roll M653_1178, page 178, image 180.
Record for Frances Wynkoop [head of house-George C Wynkoop] _FOOT: Ancestry.com, 1850 United States Federal Census (Provo, UT, USA: The Generations Network, Inc., 2005), Database online. Pottsville North East Ward, Schuylkill, Pennsylvania, roll M432_827, page 365, image 665.