Eitan is the modern Hebrew form of Ethan and means "firm", "enduring" or "strong"; in the Bible Ethan the Ezrahite is praised for his wisdom and credited with Psalm 89. The spelling with Ei is the standard one in Israel and is favored by Jewish families in the United States who want the Hebrew sound. Eitan rose from number 1926 in 2020 to number 1116 in 2024 and entered the top 1000 for the first time in 2025 at number 921.