| Championship details | |
|---|---|
| All-Ireland Champions | |
| Winning team | Louth (2nd win) |
| Captain | Brendan Burke |
| All-Ireland Finalists | |
| Losing team | Mayo |
| Provincial Champions | |
| Munster | Kerry |
| Leinster | Louth |
| Ulster | Monaghan |
| Connacht | Mayo |
The1940 All-Ireland Minor Football Championship was the 12th staging of theAll-Ireland Minor Football Championship, theGaelic Athletic Association's premierinter-countyGaelic football tournament for boys under the age of 18.
Roscommon entered the championship asdefending champions, however, they were defeated in the Connacht Championship.
On 22 September 1940,Louth won the championship following a 5–05 to 2–07 defeat ofMayo in the All-Ireland final. They led by 3–01 to 1–05 at half-time. This was Louth's second All-Ireland title and their first in four championship seasons.[1]
Louth v
Kildare| 4 August 1940[2][3]Final | Louth | 3-05 - 1-06 | Kildare | Croke Park |
| S. McGivern 2-0, J. Kiernan 1-0, P. McCourt 0-3, P. Corr 0-2 (1f) | L. Cummins 0-4 (4f), J. Martin 1-1, E. Monaghan 0-1 | Referee: P. Dunne (Dublin) |
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| 1 September 1940Semi-Final | Mayo | 3–12 – 2–05 | Kerry | MacHale Park, Castlebar |
| 18 August 1940Semi-Final | Louth | 3–08 – 0–03 | Monaghan | Croke Park |
Louth v
Mayo| 22 September 1940Final | Louth | 5-05 - 2-07 | Mayo | Croke Park |
| G. Cahill 2-1, G. Brennan, P. McCourt, N. Reay 1-0, J. Kiernan 0-2, P. Corr, S. McGivern 0-1 each | D. Loughrey 2-0, J.J. McGowan 0-4 (4f), J. Ralph ('45), T. Byrne, J. Forkin 0-1 each | Referee: Patrick Dunne (Dublin) |
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