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- [S11] 1850 US Federal Census., Ohio, Wayne, Plain, Page 356. *[ 22Aug 1850 ]*.
John Davis age 36 born Pennsylvania. Occupation Carpenter.
- [S9] 1860 US Federal Census., Ohio, Wayne, Plain, Page 6. *[ 4 June 1860 ]*.
John Henry Davis age 21 born Ohio.
- [S10] 1870 US Federal Census., Ohio, Wayne, Plain, Page 10/11. *[ 20 Jun 1870 ]*.
John Davis age 58 born Ohio. Occupation Farmer. Real Estate=$1000.
- [S4] 1880 US Federal Census., Ohio, Wayne, Jefferson, ED 235, Page 46. *[ 29 June 1880 ]*.
John Davis (head) age 65 born Pennsylvania. Retired Carpenter. F=PA, M=PA.
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