Henry's grandfather is Samuel O'Quinn, an African American businessman and landowner who was murdered in front of his home in Centreville.

[2] This incident was recounted by multiple sources, most notably in the book, Coming of Age in Mississippi, by Anne Moody.

Henry served as the Daytona Beach City Commissioner from 2010-2016 until he resigned to run for State Representative.

[4] Henry succeeded term-limited Democrat Dwayne Taylor as the representative for District 26, when he defeated Republican nominee Michael Cantu in the 2016 General Election.

He worked in a bipartisan effort to pass legislation to replace a statue of a Confederate General with Dr. Mary McLeod Bethune.