There are several forms and ways to spell it. Here are the usuals: Isa, Isay, Isey, Izaiah, Izey.
It is as you've spelt it, I-S-A-I-A-H.
"I-s-a-i-a-h" is the standard and only correct spelling of the name Isaiah.
If you are talking about Jewish Aramaic, then Isaiah is spelled the same in both Hebrew and Aramaic: ישעיהו
Yeshayahu (Isaiah) is spelled יְשַׁעְיָהוּ
The proper name "Isiah" is a variant of the Biblical name Isaiah.
Isaiah mathurin
Isaiah means "Yahweh is Salvation." The Book of Isaiah is often referred to as the Gospel according to Isaiah. Isaiah is the first of the Major Prophets in the English Bible.
Isaiah Jarel's birth name is Isaiah Williams.
Isaiah Holland is awesome
Isaiah Evans's birth name is Johnny Isaiah Evans.
Isaiah Lester's birth name is Isaiah Jamal Lester.
Isaiah McGregory's birth name is Isaiah James McGregory.