Is one significantly longer or more difficult to spell? Ultimately, when choosing names for your twins, think about how well they'll flow together. While they don't need to rhyme or start with the same letter, it's helpful to refrain from choosing two names that are polar opposites (i.e...
Hailey is a variant spelling of the name Hayley, which actually came into use as a surname (it means "hay-clearing" and was the name of an English town). It's unclear who caused the initial jump in that variant spelling of Hailey, but now that Justin Bieber and Hailey Baldwin have ti...