English surname that means — surprise! — “son of Jack.” But I’m pretty sure that even if your partner’s name is not Jack, you’re still allowed to use it.
Jack, Jacky, Jax, and apparently rapper Fifty Cent.
Famous people named Jackson:
Actors Jackson Rathbone and Jackson Hurst; singer-songwriters Jackson Browne and Jackson Guthy; painter Jackson Pollock.
According to the 1990 census, Jackson was the 13th most frequently-reported last name. It’s also the capital of Mississippi, so that’s one question he’ll automatically get right on the state capitals test in fourth grade.