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Siena University Athletics

2026 Women's Lacrosse Roster

19 Mary Koster

  • Height 5-4
  • Class Junior
  • Highschool Massapequa
  • Hometown Massapequa Park, NY

Biography

2024 (FRESHMAN): 
  • Did not appear in any games
BEFORE SIENA:
  • Named to All-County Team in 2023
  • Named to All-Conference Team in 2022
  • Four-year starter in lacrosse 
  • Named captain her senior season
  • Also played basketball for 10 years including two years on high school team
  • Also played soccer and field hockey 
  • National Honors Society member 
PERSONAL:
  • Born on August 15
  • Daughter of Thomas and Kelly Koster
  • Has a sister - Meaghan and a brother - Matthew 
  • Career objective is to work in healthcare administration
  • Plans to major in health studies/administration
  • Chose Siena because loved the feeling she got when she walked on campus and spoke with the coaching staff.  "It truly felt like home."  
  • Has volunteered her time to causes at her local church, summer travel lacrosse league and high school lacrosse camp

Statistics

Season Statistics

Season Statistics

No statistics available for this season.

Career Statistics

There are no statistics available for this player.

Historical Player Information

  • 19

    2024Freshman

    Defense
    5'4"
    19
  • 19

    2025Sophomore

    Defense
    5'4"
    19
  • 19

    2026Junior

    Defense
    5'4"
    19