Port William has yet to put a famous person on the list
No town in Ohio lists more than Warren, with 54. After Warren, the next longest list in Ohio is Hamilton’s, with 51. Famous people are on record for 741 of the towns in Ohio.
Who’s listed here
Famous people come from Wikidata (people whose birthplace is Port William), checked against each person’s English Wikipedia article and ranked by how many Wikipedia languages cover them. Nobody born in Port William has passed that check yet, and nobody born within 35 miles is listed.
From Wikidata and Wikipedia: people whose birthplace is Port William 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.