[4] She lost her re-election bid for her Texas House seat on May 28, 2024 after being defeated by Lauren Ashley Simmons by 65% to 35% in the Democratic primary runoff.

[6] In April 2023, Thierry voted in favor of HB 900, to ban books from public schools deemed "sexually explicit".

[7][8] In May of that year, Thierry broke ranks with her party to vote in favor of a bill to ban gender affirming care for trans minors.

[15] After losing her re-election bid, Thierry joined the American wing of the gender-critical group Genspect as the director of political strategy.

[a][3] Thierry further discussed her decision to leave the Democratic Party at the 2024 national summit for the right-wing group Moms for Liberty.