Anna was born in 1765. She passed away in 1846.
Apparently, Andrew Giltner married Maria after the death of his first wife.
Death & Burial of Anna Maria "Mary" Richner Giltner, 15 Sep 1846 (aged 81) North Sherwood Cemetery, Sherwood, Branch County, Michigan, USA, MEMORIAL ID 12791220[1]
https://www.findagrave.com/memorial/12791220/mary-giltner
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