The McColman book states that the mother-in-law was living with Jesse & Elizabeth in the 1900 census, and she had the surname Piper. The Illinois marriage database does not list a marriage for a Jesse or J. Mabry [any spelling] to a lady named Elizabeth. He had already had two children born in Illinois by 1869, when he and his brother Joshua Patrick sold the land left them in their father's will to Christopher Turman. Jesse was in Hancock Co IL for the 1870 census, but Bates Co MO in 1880 and 1900.
I did find the family in 1880 in Bates Co MO. It's interesting that Jesse gave his place of birth as "West Virginia" which is what my great, great grandmother stated about her place of birth. They weren't born in "West" Virginia, but certainly they were born in western Virginia. The first child born in Missouri was Alice, born 1874.
Elizabeth was born in Illinois, her parents both born in TN according to the 1880 census. Said to be the daughter of James Piper and Harriet Little
Jesse Lee MABRY and Elizabeth PIPER had the following children: