No famous person yet from Gilliam
The longest list in Louisiana is Lake Charles’, with 67 names. After Lake Charles, the next longest list in Louisiana is Monroe’s, with 52. 234 towns across Louisiana can name a famous person born there.
Who’s listed here
Famous people come from Wikidata (people whose birthplace is Gilliam), checked against each person’s English Wikipedia article and ranked by how many Wikipedia languages cover them. Nobody born in Gilliam has passed that check yet, and nobody born within 35 miles is listed.
From Wikidata and Wikipedia: people whose birthplace is Gilliam and whose English Wikipedia article agrees, ranked by how many Wikipedia languages cover each person. People known mainly for crimes, and adult performers, aren’t listed. “The usual town” = everyone born in the towns gathered so far.