Tricia Byrnes

Tricia Byrnes is a candidate for State Senator District 10 Primary Election in 2026 in Missouri State Senate District 10, Missouri.

Incumbent State Representative in Wentzville, MO

Also running: Mike Deering, John Wells, Pablo John Los.

Tricia Byrnes is a Republican State Representative for Missouri's District 63, first elected in 2022. A Wentzville resident, she previously served on the Wentzville Board of Aldermen. Byrnes holds a Master's degree and works as a licensed real estate agent. In the House, she championed environmental accountability, particularly on radioactive contamination, mental health reform via the 988 Lifeline, and passed the Childhood Hero Act against school bullying. While some sources indicate a 2026 State Senate District 10 run, her campaign announced in October 2025 she will instead seek the St. Charles County Collector position, focusing on taxpayer advocacy and fiscally responsible tax relief.