Fergus
Meaning
"man of vigor"
Origin: Old Irish
Cultural Roots
Quick Stats
- Popularity Rank
- #4,453
- Total SSA Count
- 23
- Syllables
- 2
- Formality
- Moderate
- Nicknames
- Gus, Ferg
Baby Name Comparison — 2026
"man of vigor"
Origin: Old Irish
"bright fame"
Origin: Old High German
{:type=>:nickname, :severity=>:medium, :message=>"'Robby' can be twisted to 'slobbert'"}
Fergus is more popular, ranked #4453 vs #4532 for Robby.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
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Fergus is more popular, ranked #4453 compared to Robby at #4532 in the United States.
Fergus means "man of vigor" (Old Irish origin). Robby means "bright fame" (Old High German origin).
Fergus is primarily a boy name. Robby is primarily a boy name.