| Personal information | |||
|---|---|---|---|
| Irish name | Seán Ó Mearnáil | ||
| Sport | Hurling | ||
| Position | Left corner-back | ||
| Born |
1956 Kilkenny, Ireland | ||
| Height | 6 ft 0 in (1.83 m) | ||
| Occupation | Psychiatric nurse | ||
| Club(s) | |||
| Years | Club | ||
| Dicksboro | |||
| Club titles | |||
| Kilkenny titles | 1 | ||
| Inter-county(ies) | |||
| Years | County | ||
1975-1983 | Kilkenny | ||
| Inter-county titles | |||
| Leinster titles | 1 | ||
| All-Irelands | 1 | ||
| NHL | 0 | ||
| All Stars | 0 | ||
John Marnell (born 1956) is an Irish retired hurler who played as a left corner-back for the Kilkenny senior team.
Marnell joined the team during the 1975-76 National League and was a member of the team at various intervals for much of the next decade. An All-Ireland medalist in the minor, under-21 and junior grades, he won one All-Ireland winners' medal at senior level as a non-playing substitute.[1]
At club level Marnell is a one-time county club championship medalist with played with Dicksboro.