Gulf Coast League was a Class D league in 1907-1908, a Class B league in 1926, a Class C league in 1950, a Class B league from 1951 to 1953 and an independent in 1938.
1907 Alexandria LA, Lafayette LA, Lake Charles La, Monroe LA, Opelousas La, Orange Tx.
1908 Alexandria LA, Beaumont Tx, Crowley LA, Lake Charles LA, Morgan City LA, Orange TX.
1926 Beeville TX, Corpus Christi TX, Kingsville TX, Victoria TX. During the season, Beeville moved to Laredo TX, Kingsville moved to McAllen TX then to Mission, TX. Victoria moved to Edinburg TX.
1938 Cuero TX, Edna TX, Nordheim TX, Port Lavaca TX, Victoria TX, Yorktown TX.
1950 Crowley LA, Galveston TX, Jacksonville TX, Lake Charles LA, Lufkin TX, Port Arthur TX. During the season, Lufkin moved to Leesville, LA.
1951 Brownsville TX, Harlingen TX, Laredo TX, and Texas City Tx entered the league; Crowley and Leesville left the league.
1952 No team entered or left the league.
1953 No team entered or left the league.