Bryn is an up-and-coming gentle, yet substantial, Welsh name that would also be effective in the middle spot. In Wales it's more often heard as a boys' name.
Bryn entered the U.S. girls' popularity list in 1999 and is now at Number 774. Alternate spelling Brynn has outshone it, ranking last year at Number 189.
Reality star Bethany Frankel named her daughter Bryn in 2010.
Trivia tidbit: Bryn Mawr college was the first institute of higher learning to offer graduate degrees to women.