It seems she was also married to a Richard Todd after having Calvin... "United States Census, 1900," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:M3T6-J19 : accessed 13 June 2017), Matilda Todd in household of Richard Todd, Keowee Township (south part), Oconee, South Carolina, United States; citing enumeration district (ED) 70, sheet 2A, family 28, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,537.
Then, she was living with her daughter's family in 1910: "United States Census, 1910," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:M5D1-71X : accessed 13 June 2017), Mattie Hawkins in household of J W Revis, Pelzer Central Ward, Anderson, South Carolina, United States; citing enumeration district (ED) ED 71, sheet 7B, family 109, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1449; FHL microfilm 1,375,462.
Death record citation: "South Carolina Deaths, 1915-1965," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:N9V6-VRG : 18 April 2016), Mattie Matilda Hawkins, 18 Jul 1941; citing , Hawkins, Mattie Matilda, 1941, Department of Archives and History, State Records Center, Columbia; FHL microfilm 1,943,896.
FindaGrave memorial: https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=36543707. ("Find A Grave Index," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:QVKH-MQHM : 13 December 2015), Tilda M Hawkins, 1941; Burial, Pelzer, Anderson, South Carolina, United States of America, Pelzer Community Cemetery; citing record ID 36543707, Find a Grave, http://www.findagrave.com.)