Looking for Mary's maiden name and parents.

She was possibly born in IL in 1872 (tentative date). Birthplace of her parents is unknown.

She was married to Nick F. Eller in 1886 (tentative date).

They resided in Alva, Woods, OK in 1900.

Children in the household in 1900:
Capteola [Captolia Viola] b.1887, OK
Willie [William Lazreth] b.1889, Liberal, KS
Harrison (E.) b.1892, OK
Jasper [Jasper Joseph] b.1893, Liberal, KS
Ella [Helen E.] b.1898, OK
Christopher b. 1900, OK

The 1910 census in Alva shows two additional children:
Charley b.1902, OK
Ida Bell b.1904, OK

There may have been two Mary Ellers.

If you have any useful information, I would be grateful. Thank you.