What is the most common boys name in nursery rhymes?

The most common boy's name in nursery rhymes is Jack.

He appears in numerous rhymes, including:

* Jack and Jill

* Jack Sprat

* Little Jack Horner

* Humpty Dumpty (sometimes)

While some rhymes use Jack as a generic name ("Jack be nimble, Jack be quick"), others feature specific characters with the name Jack.