Justin Jones and Justin Pearson were both expelled by the Republican-controlled House of Representatives by votes of 72–25 and 69–26, respectively.
A vote to expel Gloria Johnson, a third Democratic legislator who participated in the demonstration, was defeated.
Since a school shooting, large crowds of demonstrators have invaded the state capitol.
Three children were among the six persons slain in the Covenant School shooting on March 27 in Nashville.
During a demonstration on March 30, the so-called "Tennessee Three" stood on the House floor while yelling, "No action, no peace.
" At the same time, a large crowd of pro-gun control protesters gathered outside the statehouse.
Mr. Jones, 27, and Mr. Pearson, 28, yelled at the mob of demonstrators gathered
in front of the House podium while banging on the lectern with a loudhailer.