Irene Costas, Senior Associate

Irene Costas

Senior Associate


Tel: (314) 310-0144

Irene Costas focuses her practice on matters concerning commercial, complex litigation and general civil trial matters. She provides focused legal services to clients facing civil matters including: family law, personal injury, probate, and landlord/tenant matters. Prior to joining Kayira Law, LLC, Ms. Costas maintained as her primary area of civil practice in domestic litigation, including cases involving divorce, paternity, custody modification, guardianship, post judgment enforcement, and adoption


Before entering law school, Ms. Costas worked at Washington University’s School of Medicine Clinical Outcomes Research Office where she devoted her time to studying the impact of co-morbidity on cancer survival. Ms. Costas presented her work at the Centers for Disease Control Cancer Conference. Ms. Costas has also published numerous articles for various medical publications including the Journal of the American Medical Association and the National Cancer Institute’s SEER Survival Monograph on the topics of cancer survival and prognostics.



  • Saint Louis University School of Law (J.D. 2008)

  • Saint Louis University School of Public Health (B.A. 2001)

    • Masters in Public Health with emphasis in Biostatistics and Epidemiology


Bar Admissions

  • Missouri

  • U.S. District Court, Eastern District of Missouri

  • U.S. Federal Court, Missouri


Professional Accolades

  • Recognized as one of the 10 Best in Client Satisfaction by the American Institute of Family Law Attorneys in 2015



© 2019 by Kayira Law LLC

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