Eugene A. Clancy
3 appearances across 3 restored issues — every one readable in full, free.
Argosy All-Story Weekly, Vol. 123, No. 3 — 1920 “A Moor There Was” Read the full issue (232 pages) → 
Dare-Devil Aces, March 1935 — 1935 “THE HOT AIR CLUB” (feature) · p.124 Read the full issue (132 pages) → 
All Story Magazine, October 4, 1919 — October 4, 1919 “Out of His Head” Read the full issue (208 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.