Bentley has no famous person on record yet
Waterloo’s 61 names make the longest list in Iowa. After Waterloo, the next longest list in Iowa is Iowa City’s, with 54. 471 towns across Iowa can name a famous person born there.
Who’s listed here
Famous people come from Wikidata (people whose birthplace is Bentley), checked against each person’s English Wikipedia article and ranked by how many Wikipedia languages cover them. Nobody born in Bentley has passed that check yet, and nobody born within 35 miles is listed.
From Wikidata and Wikipedia: people whose birthplace is Bentley 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.