Her death certificate records Mrs. Mary Mathens, age 69 years 1 month 26 days, born 13 Nov 1872 in Falmouth, Ky, died 8 Jan 1942 at home in Covington, Kenton Co., Ky, residence 1547 Greenup St., divorced, occupation dressmaker, father Richard Pettit, mother’s maiden name Mary Abernathy, both born in Falmouth, Ky, cause of death carcinoma of breast, informant Albert Marthens, son, burial in Linden Grove.

1900 census of Hamilton Co., Ohio, Cincinnati ward 2, enumerated 8 June, lists on p. 10B as family #168/226, at 649 McMillan:
Marthens, Albert E., 30, b. Nov 1869, Ky Ky Ohio, conductor; Mary, wife, 27, b. Nov 1872, Ky Ky Ky; Nellie, dau, 7, b. Oct 1892, Ky Ky Ky; Albert, son, 4, b. Dec 1895, Ky Ky Ky; Pettit, Walker B., bro-in-law, 22, b. Mar 1878, Ky Ky Ky, single, conductor.