Mark Soliz, 37, was declared dead at 6:32 p.m. CDT (2332 GMT) at the state's death chamber in Huntsville.
Soliz was the 15th inmate in the United States and the sixth in Texas to be executed in 2019, according to the Death Penalty Information Center. Texas has executed more prisoners than any other state since the Supreme Court reinstated the death penalty in 1976.