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Isaiah

The name Isaiah peaked for girls at #2786 in 2004. Isaiah is also used for boys, ranking #57 in 2025.

The name Isaiah is a boy's name of Hebrew origin meaning "Salvation of the Lord".

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Isaiah, like brethren Isaac and Elijah, is a once neglected biblical name now firmly back in favor, already surpassing such long-popular Old Testament stalwarts as Aaron and Adam. Isaiah has ranked on the US Top 1000 list for boys every year but two, 1969 and 1970.
 Isaiah derives from the Hebrew Yesha’yahu, containing the elements yasha’, meaning "to save," and yah, in reference to the Hebrew god. The biblical Isaiah, son of Amos, was the most important of the major prophets, with an Old Testament book named for him. He prophesied that the Children of Israel would be exiled from their homeland, but that God would bring the back.
 
Isaiah has been a star player on the contemporary athletic field, with several prominent basketball and football player namesakes, in addition to a memorable character on Little House on the Prairie, and Grey's Anatomy actor Isaiah Washington.
 Beyond that, two sports figures have named their sons Isaiah: Allen Iverson and Tim (and wife Elisabeth) Hasselbeck. Basketball superstar Isiah Thomas helped popularize that streamlined spelling of the name.

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The name Isaiah is currently ranked #57 in U.S. births. and peaked for boys at #39 in 2006. The name is most popular in ISAIAH, ISAIAH, and ISAIAH. Isaiah is occasionally used for girls in 2025.

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