Jairo O'Neil is a professional footballer from URU and is currently 25 years old. He is on the books of Boston River and wears shirt number 24. His main role on the pitch is Defender. He measures 169cm in height and weighs 70kg. His stronger foot is Left. His estimated market valuation currently stands at 250K €.

His latest transfer saw him join Boston River from Sud America via on 2025-01-10.

Across the Uruguay Primera Division 2026, Jairo O'Neil appeared in 4 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.