Nicknames:
Zay, if the insertion of a random Z doesn’t bother you.
Famous people named Isaiah:
Professional basketball player Isaiah Thomas, Actor Isaiah Washington.
Fun fact:
While Americans typically pronounce the name “eye-ZAY-uh,” it can also be pronounced “ee-ZIE-uh.”
More Inspiration:
Ingenious I Names For Baby Boys, Biblical Boy Baby Names, Perfect 3-Syllable Boy Names,