With many variations of this name on the most popular list, your little Hailey is going to be spelling it out for people no matter which version you pick. Hailey’s currently the most popular version, but it first appeared in the ’60s as Hayley, thanks to the star of The Parent Trap. It wasn’t commonly used until the ’80s though, and since then has been steadily climbing the charts. (Even though it’s gone down a little bit from its peak position, all the multiple spellings make it hard to tell whether it’s really shifted in popularity.) The original spelling comes from an Old English place name meaning “hay clearing,” which sounds more beautiful when you consider it a lovely and idyllic meadow opening.