Who were the Dallas Cowboys before they were called the Cowboys?

The Cowboys have always been the Dallas Cowboys.

Football in Dallas initially saw the Dallas Texans as the first pro football team in Dallas which folded in 1952 after one season. The Hunt family reused the Texans name again starting in 1960 , but eventually left, becoming the Kansas City Chiefs.

The Cowboys joined the NFL in 1960 as the first modern era NFL expansion team.