Isaiyah is of Hebrew origin, derived from the name Isaiah, which means 'Yahweh is salvation'. It gained popularity as a given name for both boys and girls during the late 20th century, often influenced by its biblical roots. The name Isaiyah typically follows a three-syllable pattern: "I-SA-yah". It is often spelled with an 'i' or 'y', although variations like Isaiah and Isiah are also used.
"Isaiyah has seen an increase in popularity over time, with a significant spike from 2010 onwards, peaking at 14 births in 2012. However, the frequency of this name has fluctuated since then."