Mary E. (Marlow) Boyer's birth date was given as Sept. of 1854 in 1900 on the census -

1900 Census McDonald Twp., Barry Co., MO

Ben F. Boyer, head, born Aug. 1854 MO, age 45, married 22 years, father born MO, mother TX, farmer -
Mary E., wife, born Sept. 1854 AR, age 45, married 22 years, mother of 7 children, 6 living, parents born TN -
Arl, son, born Oct. 1879 TX, age 20 -
Dean, son, born Oct. 1881 TX, age 18 -
Ethel O., daughter, born Aug. 1884 TX, age 15 -
Fred G., son, born Sept. 1887 MO, age 12 -
Elijah Homer, son, born Mar. 1890 MO, age 10 -
Luther Marlow, nephew, born Mar. 1893 TX, age 7 -
Flora Boyer, daughter, born Mar. 1894 MO, age 6M.