- In the season 3 episode City Slackers, we learn that Shawn's middle name is "Patrick."
- Shawn was born in Ohio.
- Shawn lived in Oklahoma before the start of the series.
- In the episode City Slackers, Mr. Feeny mentions Shawn attended 5 different schools before he was 12.
- Shawn speaks at least 5 languages:
- Shawn has trouble understanding his teachers in the earlier seasons, and he explains it is because he hears a strange buzzing sound whenever adults speak.
- Shawn mentions NYPD Blue a few times once in Once in Love with Amy and another time Wake Up, Little Cory.
- Shawn loves ice skating, this is one of the few things he and Jack have in common
- Shawn likes the band Counting Crows, which Mr. Feeny reveals in City Slackers.
- Shawn is supposedly an excellent poet, and he says he has been doing it since he was young.
- He can't sleep without a light at night because of the headlights from the 18-wheelers shining in his window in the trailer.