No, not canonically at least and would’ve been very taboo in the 50’s anyway. The original comics didn’t really cover relationships between any of the characters outside of Sally’s crush on Linus, Lucy’s crush on Schroedinger, and Charlie’s crush on The Little Red-Haired Girl. I can just about guarantee though that there is fanfic out there somewhere shipping the two of them.

All good homie. Patty was always one of my favorites, I liked her green plaid shirt

How dare you besmirch Peppermint Patty’s name, she’s a trustworthy girl. Lucy van Pelt on the other hand…