These songs, esp. as play party or dance songs, have a fairly constant chorus, and add verses that fit from any source.
If the beat is similar, it is difficult to separate them. "Pay your money down" etc.

Bascom Lamar Lunsford (lyrics posted far above) characterized it as a jig. Small variations in tempo are common.

Many convergences; the origin in old minstrel dance songs, cf. Massa Had a Yellow Gal.