Source: Illinois Statewide Marriage Index 1763 - 1900
http://www.cyberdriveillinois.com/cgi-bin/archives/marriage
1850 Census, Pine Creek Township of Ogle County, IL 19 Sep 1850, p. 6B
Jonathan Mumaw, age 32, Farmer, b. MD
Mary, age 43, b. MD
Elias, age 7, b. IL
Susan M, age 6, b. IL
Wm L Fear (Fearer), age 20, b. Farmer, MD {Note: William is Mary's son from her first marriage}
Susan Warfield, age 16, b. MD
William Palmer, age 18, Farmer, b. MD
1860 Census, Mt. Morris Twp, Ogle Co. IL, p. 880
Jonathan Muma, age 45, b. MD
Susan, age 50, b. MD
Elias, age 16, b. IL
Susan, age 16, b. IL
MUMMA, ELIAS & BUMBERGER, ELLEN OGLE 02/05/1864 00C/ 00002445
I870 Census, Buffalo Twp., Ogle Co., IL, p 23, 28 June 1870
Elias Mumma, age 26, Farmer, b. IL
Matilda, age 24, b. MD
Fannie, age 3, b. IL
Mumma, Elias and Marietta Snyder - married 10 May 1877 - Montgomery Co., OH. [FamilySearch Ohio Marriage Records]
Marietta has lived in Jackson, twp of Montgomery with her parents, John and Elizabeth Snyder, all her life (1850, 1860, & 1870 census). In the 1870 census, she is listed as age 25, school teacher. She was born in Ohio, but her parents and brother were born in Maryland, probably in Washington Co., MD.
1880 Census Place: Woosung, Ogle, Illinois, page 29A, 19 Jun 1880
Elias MUMMA Self M M W 37 IL/MD/MD occupation - merchant
Marietta MUMMA Wife F M W 38 OH/PA/MD (sick with typhoid fever on enumeration day)
Ada E. MUMMA Dau F S W 9M IL/IL/OH
Fannie MUMMA Dau F S W 13 IL/unknown/unknown
MUMMA, ELIAS (S/O JONATHAN) & SPRECHER, EMMA L (D/O GEORGE & ELIZA] OGLE 05/03/1894 002/ 00008488
1900 Census, OH, Preble Co., Twin Twp., West Alexandria Village, 16 June 1900, ED 112, Sheet 9B
Mumma, Elias, head, Apr 1843, 57, married 6 years, b. IL/MD/MD
" , Emma, wife, Feb 1861, 39, married 6 years, b. IL/MD/MD, no children