I'm looking for William & Mary Ann's parents. Can't make a connection to any of the McKays that live/lived there.
Would appreciate any help that could be given.

William, b. abt 1815 in Switzerland County, IN
census states parents born in VA
m. Mary Ann Lanham 17 Aug 1836 in Switz. Cnty, IN
Mary Ann Lanham, b. abt 1836 in IN
children:
Robert W., b. abt 1836 IN
Riley (my line) b. 01 Jan 1840, Craig TWP, Switz. Cnty, IN
d. 9 Mar 1918, Geary, Blaine Cnty, OK
William P., b. 1842 IN
Lucinda, b. 1844 IN
Merritt (Merret) b, 1847 IN, d. Sedgwick Co., KS
Julia Alice, b. 1850 IN
Malissa/Melissa, b. 1852 IN
Albert, b. 07 July 1854, IN
d. 1915 Sedwick Co., KS
m. Hannah C. 07 Apr 1890
Nancy "Nannie" E., b. 1858 IN
m. John Tracy 07 Dec 1884
Can anyone help?