Sophia was born in 1856. She passed away in 1940.
"Ohio Marriages, 1800-1958", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XDK3-LQM : 25 March 2020), Martin Keller, 1879.
"United States Census, 1880", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MHSW-HQ6 : Mon Sep 18 00:57:13 UTC 2023), Entry for Martin Keller and Sophiah Keller, 1880.Tippecanoe, ED 148, Pulaski, IN, United States.
"United States Census, 1910", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MK5X-MPR : Mon Sep 18 19:30:39 UTC 2023), Entry for Martin J Keller and Sophia Keller, 1910. Tippecanoe, Pulaski, Indiana, United States.
Find a Grave, database and images (https://www.findagrave.com/memorial/111165061/sophia-mary_catherine-keller: accessed 24 September 2023), memorial page for Sophia Mary Catherine “Sophie” Zeller Keller (2 Aug 1856–17 Jul 1940), Find a Grave Memorial ID 111165061, citing Saint Anne Cemetery, Monterey, Pulaski County, Indiana, USA; Maintained by Sandra Drabik (contributor 48076270).
As of the 1900 Census she had given birth to eleven children, nine then living with one born as late as January 1900. Eight are shown in the 1900 Census with this family.
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She has been shown to have a daughter born in 1879 who had already married. The deceased children as of 1900 were almost certainly born in the late 1890s.
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