Eithan is a distinctive boys' name in United States, ranking #2674 in 2005 with 41 recorded births. The name reached its all-time peak in 2025 with 3,636 births ranking #97. Since 1996, the popularity has increased by 310.0%. In 2005, approximately 1 in every 48,711 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.