Fergus is a distinctive boys' name in United States, ranking #5092 in 2025 with 19 recorded births. The name reached its all-time peak in 2023 with 23 births ranking #4501. Since 1996, the popularity has increased by 137.5%. In 2025, approximately 1 in every 89,899 boys born was named Fergus. FALLING Recent data shows the name is currently falling.
Fergus is a sturdy Gaelic classic meaning something like "man of vigour" or "strong man". It feels earthy, historic, and unmistakably Celtic.
The name appears in Gaelic legend and long historical use in both Scotland and Ireland. Its modern appeal comes from sounding robust and traditional without being too common.