- Concord Line (surname suffix "a")
- Woburn Line (surname suffix "w")
- Springfield Line (surname suffix "s")
- Scituate Line (William Brooks) (surname suffix "p")
- Scituate Line (Gilbert Brooks) (surname suffix "p")
- Glastonbury Line (surname suffix "g")
- Cheshire Line (surname suffix "c")
- Haddam Line (surname suffix "h")
- Fairfield Line (surname suffix "f")
- Newport Line (surname suffix "r")
- Kittery Line (surname suffix "k")
- East Hampton Line (surname suffix "e")