2023 M. Water Polo Roster
Killion, Mason

Jersey Number 4
Mason Killion
- Height:
- 6-5
- Weight:
- null
- Class:
- Junior
- Hometown:
- Irvine, Calif.
- High School:
- Lutheran High School of Orange County
Bio
2023: Played in every game, producing 27 goals, 26 assists and 35 steals … Multi-goal performances vs. George Washington (Sept. 2) and Fordham (Sept. 10) … Snagged two goals and three assists vs. No. 20 Harvard (Sept. 30) … Stole four passes vs. No. 18 Brown (Oct. 1) … Dropped in two goals vs. No. 14 San Jose state (Oct. 20) … Scored twice vs. No. 6 UC Irvine in the NCAA Quarterfinals (Dec. 1).
2021: Added 33 goals, 22 assists and 33 steals … Contributed multi-goal performances vs. Mt. St. Mary’s and George Washington (Sept. 4) … Produced three assists at No. 17 LMU (Sept. 18) … First career hat trick vs. MIT (Oct. 3) … Secured two goals, three assists and three steals vs. Biola (Oct. 24) … Posted four goals at MIT (Oct. 30) …
2020: Season canceled due to COVID-19
Before Princeton:
Lutheran High School of Orange County: Senior captain who finished career with the program record in steals (215), set the single-season records for steals (96) and single-game record for swipes (seven) … Named All-Trinity, All-CIF, All-County in 2019 … All-Trinity in 2018 … Team MVP in 2019 and Defensive Player of the Year in 2018 … Squad won two Trinity League titles (2016, 2019) … Unit secured the 2016 CIF D-I and 2017 D-II crowns ... Lettered in swimming … Swimming team's MVP in 2018 … Member of the National Honor Society, STEM program, California Scholarship Federation and OLU Ambassadors … USA Water Polo Academic All-American twice … AP Scholar with Honors.
Personal: Son of Jody and Arik Killion … Has three brothers, Parker, Tyler and Jordan … Brother, Parker plays water polo at Stanford.
Career Stats:
Career Highs:
Goals - 4, at MIT (10/30/21)
Assists - 3, 2x - MR - vs. Biola (10/24/21)
Steals - 4, vs. No. 18 Brown (10/1/23)
Ej. Drawn - 3, 2x - MR - vs. No. 20 Harvard (9/30/23)
Blocks - 2, 3x - MR - vs. No. 19 Santa Clara (9/9/23)
2021: Added 33 goals, 22 assists and 33 steals … Contributed multi-goal performances vs. Mt. St. Mary’s and George Washington (Sept. 4) … Produced three assists at No. 17 LMU (Sept. 18) … First career hat trick vs. MIT (Oct. 3) … Secured two goals, three assists and three steals vs. Biola (Oct. 24) … Posted four goals at MIT (Oct. 30) …
2020: Season canceled due to COVID-19
Before Princeton:
Lutheran High School of Orange County: Senior captain who finished career with the program record in steals (215), set the single-season records for steals (96) and single-game record for swipes (seven) … Named All-Trinity, All-CIF, All-County in 2019 … All-Trinity in 2018 … Team MVP in 2019 and Defensive Player of the Year in 2018 … Squad won two Trinity League titles (2016, 2019) … Unit secured the 2016 CIF D-I and 2017 D-II crowns ... Lettered in swimming … Swimming team's MVP in 2018 … Member of the National Honor Society, STEM program, California Scholarship Federation and OLU Ambassadors … USA Water Polo Academic All-American twice … AP Scholar with Honors.
Personal: Son of Jody and Arik Killion … Has three brothers, Parker, Tyler and Jordan … Brother, Parker plays water polo at Stanford.
Career Stats:
Season | GP | Goals | Shots | Assists | Steals | Sprints (W-L) | Ej. Drawn | Ejections | Blocks |
2021 | 33 | 80 | 22 | 33 | 5-0 | 8 | 25 | 7 | |
2023 | 34 | 27 | 59 | 26 | 35 | 3-0 | 13 | 32 | 10 |
2024 | 13 | 7 | 11 | 4 | 5 | 0-0 | 3 | 14 | 0 |
Career | 67 | 150 | 52 | 73 | 8-0 | 24 | 71 | 17 |
Career Highs:
Goals - 4, at MIT (10/30/21)
Assists - 3, 2x - MR - vs. Biola (10/24/21)
Steals - 4, vs. No. 18 Brown (10/1/23)
Ej. Drawn - 3, 2x - MR - vs. No. 20 Harvard (9/30/23)
Blocks - 2, 3x - MR - vs. No. 19 Santa Clara (9/9/23)
Princeton Athletics 2023-24 Highlights
Tuesday, June 04
Highlights from 2022 Gary Walters ’67 PVC Awards Banquet
Wednesday, June 22
Princeton Athletics 2021-22 Highlights
Monday, June 06
Thank You for Roaring Forward on TAGD 2021
Wednesday, December 01