Fergus is a moderately popular boys' name in England & Wales, ranking #396 in 2025 with 103 recorded births. The name reached its all-time peak in 1997 with 122 births ranking #244. Since 1996, the popularity has decreased by 14.2%. In 2025, approximately 1 in every 2,640 boys born was named Fergus. RISING Recent data shows the name is currently rising.
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.