Eithan is a distinctive boys' name in United States, ranking #7362 in 1999 with 8 recorded births. The name reached its all-time peak in 2025 with 3,636 births ranking #97. Since 1996, the popularity has decreased by 20.0%. In 1999, approximately 1 in every 240,011 boys born was named Eithan. RISING Recent data shows the name is currently rising.
Eithan is a modern spelling variant of Ethan and carries the same meaning of firmness, endurance, or strength. The spelling gives it a slightly more distinctive look while keeping the same biblical base.
The deeper root is ancient Hebrew, but the Eithan spelling is modern in English-language baby naming. It belongs to the broader pattern of refreshing classic names with alternate spellings.