Gender-Neutral Name · English Origin
Colby
Colby is a neutral baby name of English origin, meaning "Dark-haired". It currently sits in the Rare tier of US baby names for 2026, and parents who love Colby often also consider Cleve.
Colby meaning, origin, and usage
Meaning: Dark-haired
Origin: English naming roots help connect Colby to related English baby names.
Pronunciation: Baby Name Studio pronounces Colby as C·O·L·B·Y, with 5 letters and a gender-neutral usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Colby is an uncommon, standout choice in the Rare tier.
Colby variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Colbya, Colbye, Colbyy, Colb.
- Nicknames: Col and C.
- Middle names: Pair Colby with a middle name that balances its substantial sound; start with the Colby middle name generator.
- Sibling names: Cleve, Clive, Cliff, Cleave, Caleb — full picks on the sibling names for Colby guide for a cohesive sibset.
- Similar names: Looking for names that sound like Colby? Browse our names like Colby guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Colby
What does the name Colby mean?
Colby means "Dark-haired" and is of English origin.
What is the origin of Colby?
Colby originates in English naming tradition.
How do you pronounce Colby?
Colby has 5 letters and is most commonly stressed on the first syllable.
Is Colby a boy's or girl's name?
Colby is primarily used as a girl's name in US records.
How popular is Colby in 2026?
In our 2026 popularity tracker, Colby sits in the Rare tier — an uncommon, standout choice.
What names are similar to Colby?
Names that share Colby's sound and style include Cleve, Clive, Cliff, Cleave, Caleb.
What middle names pair well with Colby?
Good middle-name fits for Colby pair an opposite syllable rhythm: if Colby is short, lean longer (e.g. classical or three-syllable middles); if Colby is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Colby?
Sibling names that pair naturally with Colby share its rhythm without rhyming — Cleve, Clive, Cliff all sit comfortably alongside it on a shortlist.