1861 Birth:66, Janes Cemetery, p. 2.,416,1297 Birth year of 1861 taken from tombstone in Janes Cemetery, Union Township, Porter County, Indiana; birth place of Porter County, Indiana assumed, given the enumeration of her parents Cyrus Bay and Lucinda Frame in that location in both 1860 and 1870.

1870 U.S. Census:1297 Mary Bay enumerated in the household of her father Cyrus Bay in Portage Township, Porter County, Indiana as a female, age 8, white, born in Indiana, attended school within the year, can read and write.

1880 U.S. Census:364 Mary enumerated in the household of her husband Elmer Vader in Ross Township, Lake County, Indiana as a white female, age 19, wife, married, keeping house, born in Indiana, father born in Ohio, mother born in Ohio. This couple living in the same dwelling as Eli Clinton, age 68, and family. No apparent connection to the Vaders.

1890 Tombstone:66, Janes Cemetery, p. 2. Janes Cemetery, Union Township, Porter County, Indiana.
Mary Bay Vader
1861-1890