Yes, it looks like that’s correct. She had three husbands, Miller, Leo Mason, and William Toney. She apparently divorced (or was divorced by) all three.
Marriage #1: Indiana, abstract on Ancestry:
Name: Sarah C Waldon
Spouse Name: James U Miller
Marriage Date: 15 Nov 1899
Marriage County: Montgomery
Marriage #2: "Indiana Marriages, 1780-1992", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XF8Y-N3J : 13 January 2020), Sarah Katherine Miller in entry for Leo Dale Mason, 1919.
Marriage #3: "Indiana Marriages, 1811-2007," database withimages, FamilySearch (https://familysearch.org/ark:/6 1903/1:1:QVM1-1GQW : 10 December 2017), William C Toney and Catherine Mason, 16 Jun 1927; citing Putnam, Indiana, United States, Marriage Registration, Indiana Commission on Public Records, Indianapolis; FHL microfilm 007578263.