He played hurling with his local club Redmonds and was a member of the Cork senior inter-county team from 1900 until 1907.
O’Keeffe played his club hurling with the famous Redmonds team in Cork and enjoyed some success.
A goal for London with ten minutes left in the game sealed Cork's fate and O’Keeffe ended up on the losing side by 1–5 to 0–4.
[1] Galway and Dublin were later defeated as Cork booked their place in the All-Ireland final and, for the second year in-a-row, London provided the opposition.
[1] O’Keeffe was back on the team later as Cork received a walkover from Galway before defeating Kilkenny in the ‘home’ championship decider.
The campaign began well with Cork defeating Tipperary to secure a fourth consecutive Munster title, however, once again O’Keeffe missed the provincial decider.
Kilkenny won the game thanks to Dick Doyle’s first-half goal, while Pat ‘Fox’ Maher made great save at the end to help his team to a 1–9 to 1–8 defeat of O’Keeffe's side.
The game, however, had to be replayed as Cork goalkeeper Daniel McCarthy was a British army reservist and Kilkenny's Matt Gargan had played with Waterford in the Munster championship.