In my generation, you were considered an 'old maid' at 25.
She asked her sister to be her 'maid of honor'.
She hired a 'maid' to do the cleaning.
(..) Don't leave me on tenterhooks. Well, she's going to marry one of the county boys next month. She just got tired of waiting and was afraid she'd be an old maid and.... Oh, I'm sorry to be the one to tell you. Oh, it's colder. I left my muff at home. Would you mind if I put my hand in your pocket? (..)1939 Gone with the Wind
(..) I'll see what I can do, Miss Scarlett. What's your sister so mad about? You sparkin' her beau? As if I couldn't get a better beau than that old maid in britches. Brent and Stuart Tarleton, you handsome old things, you! No, you're not! I won't say that. I'm mad at you! What have we done? (..)1939 Gone with the Wind