Written and first recorded by The Buddy Johnson Orchestra with Ella Johnson (1946).
Hit versions by Annie Laurie with Paul Gayten & His Trio (US #20/R&B #3 1947), Lenny Welch (US #4/MOR #3 1963).
Also recorded by Dinah Washington (1947), The Harptones (1953).
From the wiki: “‘Since I Fell for You’ is Blues ballad composed by Buddy Johnson in 1945 and first popularized by his sister, Ella Johnson, with The Buddy Johnson Orchestra. It has since gone on to become a Jazz and Pop standard, becoming a particular favorite of vocalists. Dinah Washington recorded it in 1947, Eartha Kitt in 1950, Julie London in 1964, Shirley Horn in 1987, and Etta Jones in 1998. The 1963 Lenny Welch cover of ‘Since I Fell for You’ reached #4 on Billboard Hot 100, far and away Welch’s biggest career hit.