London has no famous person on record yet
Famous people are on record for 545 of the towns in California. Modesto has the most of any town in California: 65. After Modesto, the next longest list in California is Alameda’s, with 64.
Who’s listed here
Famous people come from Wikidata (people whose birthplace is London), checked against each person’s English Wikipedia article and ranked by how many Wikipedia languages cover them. Nobody born in London has passed that check yet, and nobody born within 35 miles is listed.
From Wikidata and Wikipedia: people whose birthplace is London 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.