Girl Name
Hilaria
Hilaria is a girl's name whose meaning is not firmly attested in the historical record. It is used as a girl's name across several naming traditions, and it is rare in the United States today — outside the SSA top 1,000.
Hilaria is a girl baby name. It currently sits in the Rare tier of US baby names for 2026, and parents who love Hilaria often also consider Hilario.
Hilaria meaning, origin, and usage
Meaning: Hilaria has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Hilaria as H·I·L·A·R·I·A, with 7 letters and a girl usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Hilaria is an uncommon, standout choice in the Rare tier.
Hilaria variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Hilariaa, Hilariae, Hilariay, Hilari.
- Nicknames: Hila and H.
- Middle names: Pair Hilaria with a middle name that balances its substantial sound; start with the Hilaria middle name generator.
- Sibling names: Hilario, Hillary, Hilary, Hillery, Hillard — full picks on the sibling names for Hilaria guide for a cohesive sibset.
- Similar names: Looking for names that sound like Hilaria? Browse our names like Hilaria 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 Hilaria
What does the name Hilaria mean?
Hilaria has no single meaning that is firmly attested in the historical record. It is used as a girl name in US birth records, and parents usually choose it for its sound rather than a documented meaning.
What is the origin of Hilaria?
The exact origin of Hilaria is debated, but it has been used across multiple naming traditions.
How do you pronounce Hilaria?
Hilaria has 7 letters and is most commonly stressed on the first syllable.
Is Hilaria a boy's or girl's name?
Hilaria is primarily used as a girl's name in US records.
How popular is Hilaria in 2026?
In our 2026 popularity tracker, Hilaria sits in the Rare tier — an uncommon, standout choice.
What names are similar to Hilaria?
Names that share Hilaria's sound and style include Hilario, Hillary, Hilary, Hillery, Hillard.
What middle names pair well with Hilaria?
Good middle-name fits for Hilaria pair an opposite syllable rhythm: if Hilaria is short, lean longer (e.g. classical or three-syllable middles); if Hilaria is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Hilaria?
Sibling names that pair naturally with Hilaria share its rhythm without rhyming — Hilario, Hillary, Hilary all sit comfortably alongside it on a shortlist.