Luke Letlow Biography Luke Joshua Letlow, popularly known as Luke Letlow was an American politician. He was a congressman-elect representative from Louisiana. In December 2020, he was elected to the United States House of Representatives for Louisiana's 5th congressional district. Tragically, the US Rep died after contracting COVID-19 in December 2020. He was due to take his office in 2021. He previously served as chief of staff to retiring Representative Ralph Abraham. His party is the Republican Party.