“Carthaginian” is the name of an inhabitant of Carthage, Texas. The name “Carthaginian” has been cited in print since at least 1909.
“Carthaginian,” of course, originally refers to a person of Carthage, Tunisia.
Wikipedia: Carthage, Texas
Carthage is a city in Panola County, Texas, United States. The population was 6,664 at the 2000 census. It is the county seat of Panola County, and is situated in East Texas near the Louisiana state line.
Free Merriam-Webster Dictionary
Car·thage geographical name \ˈkär-thij\
Definition of CARTHAGE
ancient city & state N Africa on coast NE of modern Tunis
— Car·tha·gin·ian \ˌkär-thə-ˈji-nyən, -nē-ən\ adjective or noun
27 May 1909, Galveston (TX) Daily News, “Tobacco Picnic,” pg. 3, col. 2:
From San Augustine Col. Dobbin will go to Carthage, on the Texas & Gulf Railroad, which is a subsidiary line of the Santa Fe, to talk to the citizens, The Carthaginians have manifested a desire to get in the Texas prosperity band wagon and Col. Dobbin has been asked to give them a boost.
16 June 1914, Galveston (TX) Daily News, “State Press,” pg. 6, col. 4:
The business men of many towns in Texas are rallying to the help of the farmers—why shouldn’t Carthaginians do as much?
J. M. CARNES
(Editor of the East Texas Register, Carthage—ed.)
12 November 1953, Panola Watchman (Carthage, TX), sec. 2, pg. 1, col. 1:
Your mention of the Carthaginian in last week’s Watchman and of your desire to be placed on the mailing list prompts our letter.
(Written by students of Carthage Junior High—ed.)
30 May 1962, Richardson (TX) Echo, “Sports Echoes: Eagles-Carthage Even Up” by Mike Handy, pg. 9, col. 4:
Those Carthaginians descended on Richardson like Hannibal and his elephants in quest of Rome.
30 September 1965, Dallas (TX) Morning News, pg. B4:
By REBA HARRIS AND BONNIE BRIERY
Carthage High School Carthaginian
23 June 1968, Dallas (TX) Morning News, “Tolbert’s Texas: Horn to Blow on Potomac” by Frank X. Tolbert, sec. A, pg. 23, col. 1:
This is the 26 1/2-foot-long cypress trumpet made (and played) by Horace Allison Jr., M.D., a Carthaginian who now practices medicine for good reason (he married a beautiful New Englander) in Maine.