Frank Blighton
3 appearances across 3 restored issues — every one readable in full, free.
Argosy and Railroad Man's Magazine, Vol. 107 No. 3 — 1919 “Alias the Angle Worm” · p.391 Read the full issue (196 pages) → 
Argosy All-Story Weekly — 1923 “A Hatful of Trouble” (serial) · p.549 Read the full issue (172 pages) → 
Argosy All-Story Weekly, April 18, 1925 — 1925 “The Duke of Disdain” Read the full issue (172 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.