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 Renfrow is 151,306 but the county figures add up to 151,304.
Source for Popular Vote data: Oklahoma State Election Board, "For Commissioner of Insurance," Summary of Total Official Verified Results of the General Election Held Tuesday, November 2, 1926 (Oklahoma City, 1926)