How old were they?

Harold Jackson

D · Born August 1, 1918

Age in each postseason series

1. 1938 Quarterfinals (March 22, 1938), Blackhawks vs Canadiens 2–1: 19 years, 233 days
2. 1938 Semifinals (March 29, 1938), Blackhawks vs Americans 2–1: 19 years, 240 days
3. 1938 Stanley Cup Final (April 5, 1938), Blackhawks vs Maple Leafs 3–1: 19 years, 247 days
4. 1941 Quarterfinals (March 20, 1941), Red Wings vs Rangers 2–1: 22 years, 231 days
5. 1941 Semifinals (March 27, 1941), Red Wings vs Blackhawks 2–0: 22 years, 238 days
6. 1941 Stanley Cup Final (April 6, 1941), Red Wings vs Bruins 0–4: 22 years, 248 days
7. 1943 Semifinals (March 21, 1943), Red Wings vs Maple Leafs 4–2: 24 years, 232 days
8. 1943 Stanley Cup Final (April 1, 1943), Red Wings vs Bruins 4–0: 24 years, 243 days
9. 1944 Semifinals (March 21, 1944), Red Wings vs Blackhawks 1–4: 25 years, 233 days
10. 1945 Semifinals (March 20, 1945), Red Wings vs Bruins 4–3: 26 years, 231 days
11. 1945 Stanley Cup Final (April 6, 1945), Red Wings vs Maple Leafs 3–4: 26 years, 248 days
12. 1946 Semifinals (March 19, 1946), Red Wings vs Bruins 1–4: 27 years, 230 days

Age in each season

1. 1936-37 (Blackhawks): 18 years, 61 days to 18 years, 272 days
2. 1937-38 (Blackhawks): 19 years, 61 days to 19 years, 272 days
3. 1940-41 (Red Wings): 22 years, 61 days to 22 years, 272 days
4. 1942-43 (Red Wings): 24 years, 61 days to 24 years, 272 days
5. 1943-44 (Red Wings): 25 years, 61 days to 25 years, 273 days
6. 1944-45 (Red Wings): 26 years, 61 days to 26 years, 272 days
7. 1945-46 (Red Wings): 27 years, 61 days to 27 years, 272 days
8. 1946-47 (Red Wings): 28 years, 61 days to 28 years, 272 days