Oklahoma's election ledgers for 1926 and earlier often have mistakes where the county by county figures do not add up exactly to the stated totals. The stated total for Trapp is 102,432 but the county figures add up to 102,426. The stated total for Johnson is 79,448 but the county figures add up to 79,608.
Source for Popular Vote data: Oklahoma State Election Board, "For Lieutenant Governor," Summary of the Vote by Counties of the General Election of November 5, 1918 (Oklahoma City, 1918)