What+Did+you+Notice?

Now that we have lots of names, what do you notice?

 * ==Which letter has the most names?==
 * ==Which letter has the fewest names?==
 * ==Do some letters have no names at all?==
 * ==What names have the most letters?==
 * ==What names have the fewest letters?==
 * ==Can you order the letters from least to most names?==
 * ==What other math can you do with the names?==