Seamus is a distinctive boys' name in United States, ranking #1450 in 2024 with 125 recorded births. This places Seamus in the top 10% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 298 births ranking #753. Since 1996, the popularity has decreased by 20.4%. In 2024, approximately 1 in every 13,723 boys born was named Seamus. RISING Recent data shows the name is currently rising.