| Personal information | |||
|---|---|---|---|
| Sport | Football | ||
| Position | Defender | ||
| Born | County Cavan, Ireland | ||
| Club(s) | |||
| Years | Club | ||
|
Arva Cavan GFC (New York) | |||
| Inter-county(ies) | |||
| Years | County | ||
?–1950 | Cavan | ||
| Inter-county titles | |||
| Ulster titles | 6 | ||
| All-Irelands | 2 | ||
| NFL | 1 | ||
| All Stars | 0 | ||
John Joe Cassidy was a Gaelic footballer who played for the Cavan county team.