Possibly the mother's maiden name too?
"Ohio Deaths, 1908-1953," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:XZFM-KJ6 : 8 December 2014), George W. Brown in entry for Clarence Elmer Brown, 07 Aug 1936; citing Alger, Hardin, Ohio, reference fn 52049; FHL microfilm 2,022,688.
"Ohio Births and Christenings, 1821-1962," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:XDRP-C9H : 8 December 2014), George Brown in entry for Clarence Elmore Brown, 29 Nov 1883; citing Lynn, Hardin, Ohio, reference p 12; FHL microfilm 2,069,640.
"Ohio Births and Christenings, 1821-1962," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:XDR8-NHQ : 8 December 2014), George Brown in entry for Clarence Elmore Brown, 29 Nov 1883; citing , reference pg 12; FHL microfilm 914,850.
"Ohio Births and Christenings, 1821-1962," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:XDRD-998 : 8 December 2014), George Brown in entry for Brown, ; citing , reference p. 28-29; FHL microfilm 914,850.
"Ohio Births and Christenings, 1821-1962," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:XDRP-P55 : 8 December 2014), George Brown in entry for Brown, 21 Jan 1889; citing Lynn, Hardin, Ohio, reference p 28; FHL microfilm 2,069,640.
"Ohio Births and Christenings, 1821-1962," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:XDRT-HLJ : 8 December 2014), George Brown in entry for Charles Brown, 30 Apr 1897; citing Lynn, Hardin, Ohio, reference p 10; FHL microfilm 2,069,640.
Mushaw - Minshaw - Mershaw or some variant, it seems - there are more records, but all fairly similar.
Maybe one or two more a bit more unique...
"Ohio Marriages, 1800-1958," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:XDDK-23L : 8 December 2014), George Brown in entry for Allie Thomas Brown and Lody Harmon, 22 Mar 1908; citing Hardin, Ohio, reference 2:3JT7K5P; FHL microfilm 914,848.
"Ohio, County Marriages, 1789-2013," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:XDG5-FQ2 : 8 December 2014), George Brown and Martha Mushaw, 16 Jun 1883; citing Hardin, Ohio, United States, reference ; county courthouses, Ohio; FHL microfilm 914,844.
"Ohio, County Marriages, 1789-2013," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:XZ2G-CK7 : 8 December 2014), George Brown in entry for Delbert L. Brown and Viola Edna Mines, 29 Nov 1920; citing Marion, Ohio, United States, reference # 446; county courthouses, Ohio; FHL microfilm 384,249.