something definitely wrong in 1900 census: states couple has been married for 21 years, yet Mary is only 25 yo!
had total of 7 children in 1900, all living278
1910 census shows James H. was married twice, so Mary is 2nd wife

found family in 1910 census, Mary J. 33 yo
total of 4 children, all living in 1910 - confusing relative to 1900 response (7 all living)280

found in 1920 census-age listed as unknown279

both her parents were born in MD279

found in 1930 census on North Main St./New Church St., widow, age 52 (b ca 1878)281
Wady H. Logan (B), widower, 60 boarding with her
census states she was born in MD?

has granddaughter, Dizzie Whealton, age 5/12?, living with her