Boy Name
Gillis
Gillis is a boy's name whose meaning is not firmly attested in the historical record. It is used as a boy's name across several naming traditions, and it is rare in the United States today — outside the SSA top 1,000.
Considering Gillis? It is a boy name, and ranks in our Rare popularity tier. Phonetically it shares territory with Gilles.
Gillis meaning, origin, and usage
Meaning: Gillis has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Gillis as G·I·L·L·I·S, with 6 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Gillis is an uncommon, standout choice in the Rare tier.
Gillis variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Gillisa, Gillise, Gillisy, Gilli.
- Nicknames: Gil and G.
- Middle names: Pair Gillis with a middle name that balances its substantial sound; start with the Gillis middle name generator.
- Sibling names: Gilles, Giles, Glynis, Garvis, Gilmer — full picks on the sibling names for Gillis guide for a cohesive sibset.
- Similar names: Looking for names that sound like Gillis? Browse our names like Gillis 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 Gillis
What does the name Gillis mean?
Gillis has no single meaning that is firmly attested in the historical record. It is used as a boy name in US birth records, and parents usually choose it for its sound rather than a documented meaning.
What is the origin of Gillis?
The exact origin of Gillis is debated, but it has been used across multiple naming traditions.
How do you pronounce Gillis?
Gillis has 6 letters and is most commonly stressed on the first syllable.
Is Gillis a boy's or girl's name?
Gillis is primarily used as a boy's name in US records.
How popular is Gillis in 2026?
In our 2026 popularity tracker, Gillis sits in the Rare tier — an uncommon, standout choice.
What names are similar to Gillis?
Names that share Gillis's sound and style include Gilles, Giles, Glynis, Garvis, Gilmer.
What middle names pair well with Gillis?
Good middle-name fits for Gillis pair an opposite syllable rhythm: if Gillis is short, lean longer (e.g. classical or three-syllable middles); if Gillis is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Gillis?
Sibling names that pair naturally with Gillis share its rhythm without rhyming — Gilles, Giles, Glynis all sit comfortably alongside it on a shortlist.