John Mariucci
D · Born May 8, 1916
Age in each postseason series
- 1941 Quarterfinals (March 20, 1941), Blackhawks vs Canadiens 2–1: 24 years, 316 days
- 1941 Semifinals (March 27, 1941), Blackhawks vs Red Wings 0–2: 24 years, 323 days
- 1942 Quarterfinals (March 22, 1942), Blackhawks vs Bruins 1–2: 25 years, 318 days
- 1946 Semifinals (March 19, 1946), Blackhawks vs Canadiens 0–4: 29 years, 315 days
Age in each season
- 1940-41 (Blackhawks): 24 years, 146 days to 24 years, 357 days
- 1941-42 (Blackhawks): 25 years, 146 days to 25 years, 357 days
- 1945-46 (Blackhawks): 29 years, 146 days to 29 years, 357 days
- 1946-47 (Blackhawks): 30 years, 146 days to 30 years, 357 days
- 1947-48 (Blackhawks): 31 years, 146 days to 31 years, 358 days