What does Isaiah mean?
Isaiah \i-saiah\ as a boys' name is pronounced eye-ZY-ah. It is of Hebrew origin, and the meaning of Isaiah is "God is salvation". Biblical: one of the major prophets and writer of the Book of Isaiah. Isais is a Latin form. Basketball player Isiah Thomas.
For more on this name, see also the related boy name Esias.
Isaiah has 1 feminine form: Shaya.
Isaiah is a somewhat prominent first name for males (#635 out of 1220, Top 52%) and an even more prominent last name for all people (#43875 out of 150436, Top 29%). (2000 U.S. Census)
Presented below is the birth name popularity of Isaiah for boys. Isaiah reached its peak position of #39 in the U.S. in 2006, and is presently at #48. (Top 1000 Baby Names Statistics, 2014)
Izaiah (#459 last year) and Isiah are the popular alternative forms of Isaiah (#48 last year). These boy names reached the apex of their popularity in 2005 (usage of 0.6997%) and have become much less widespread since (usage 0.4977%, down 28.9%), with the version Isiah becoming less stylish. Isaiah (#48) and Izaiah (#459) are two of the more contemporarily stylish boy names among these, and there is also a rekindling in birth name popularity for Isaiah. Below is a graphed analysis of the popularity of the boy name Isaiah and associated names. (Top 1000 Baby Names Statistics, 2014)