It is actually James. There were 6 presidents thus far whose first name was James.
Second place? John and William tie with four each.
George has 3
What president was elected to 4 terms?
What president served 2 non-consecutive terms?
What president gave the longest inaugural speech and served the shortest term? (if you paid attention to the inauguration, you caught this little bit of trivia)
How many presidents have been impeached?
Who was the fattest president?
What president was never elected as either vice president or president?
How many father/son presidents were there?
How many presidents were assassinated?
Who was the first Black president? (you'd better not get this wrong, unless you've been living under a rock somewhere in the jungle!)