I didn't find them in Crawford Co. WRite to the courthouse clerk there and get a copy of her death record. Also write to the Library at Robinson. They have a lot of information there. I didn't find anything for Levings after 1918.
Ohio 1910 Census Miracode Index Name: Levings T Robinson Birthplace: PENN State: OH Age: 36 Color: W Enumeration District: 0066 Visit: 0158 County: Geauga Relation: Head of Household Other Residents: Relation Name Color Age Birth Place Wife Netta D36 Ohio Daughter Mawel A09 Ohio Daughter Nina B04 Ohio Son Clyde L02 Ohio Son MartinNR Ohio
1910 United States Federal Census Name: Levinas t Robinson [Levings T Robinson] Age in 1910: 36 Estimated Birth Year: abt 1874 Birthplace: Pennsylvania Relation to Head of House: Head Father's Birth Place: Ohio Mother's Birth Place: Ohio Spouse's Name: Nettie D Home in 1910: Russell, Geauga, Ohio Marital Status: Married Race: White Gender: Male Household Members: Name Age Levinas t Robinson 36 Nettie D Robinson 36 Marvel A Robinson 9 Nina B Robinson 4 Clyde L Robinson 2 Marlin Robinson 5/12
This record shows there were definately in Crawford Co by 1918. World War I Draft Registration Cards, 1917-1918 Sept 12, 1918 Name: Levings Clay Robinson City: Not Stated County: Crawford State: Illinois Birth Date: 13 Feb 1874 Race: White Roll: 1613185 DraftBoard: 0 Age:44