O'Donohoe played five seasons of college ice hockey with the Colgate Raiders in the ECAC Hockey conference of the NCAA Division I. She appeared in 179 games over five seasons scoring 126 points (54G, 72A), seventh all time for the Raiders. She played the second-most games all-time in Colgate history.[1] With the Raiders, O'Donohoe won the ECAC Hockey regular season title in both 2021 and 2024, and the conference championship in 2021, 2022, 2023, and 2024.[2]
Professional
Following college, O'Donohoe signed with Brynäs IF ahead of the 2024–25 SDHL season. Across fourteen games, she scored seven points on two goals and five assist.[3]
She left Brynäs in November 2024 to attend the Minnesota Frost's training camp and ultimately signed with the team as a reserve player for the 2024–25 PWHL season. Following the injury of Frost forward Dominique Petrie, the team signed O'Donohoe to a standard player contract on December 28, 2024.[1][4]