Boy Name
Jairus
Jairus means “He will light up”. 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.
Origin and meaning: English Wiktionary (CC BY-SA 4.0). Popularity: US Social Security Administration.
Jairus — a boy name — is an uncommon, standout choice. Its meaning, "He will light up", anchors the name in something deeper than sound alone. If Jarius is on your shortlist, Jairus belongs in the same conversation.
Jairus meaning, origin, and usage
Meaning: He will light up
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Jairus as J·A·I·R·U·S, with 6 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Jairus is an uncommon, standout choice in the Rare tier.
Jairus variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Jairusa, Jairuse, Jairusy, Jairu.
- Nicknames: Jai and J.
- Middle names: Pair Jairus with a middle name that balances its substantial sound; start with the Jairus middle name generator.
- Sibling names: Jarius, Jerica, Jericho, Jorje, Jerrica — full picks on the sibling names for Jairus guide for a cohesive sibset.
- Similar names: Looking for names that sound like Jairus? Browse our names like Jairus 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 Jairus
What does the name Jairus mean?
Jairus means "He will light up". The meaning is recorded in English Wiktionary (CC BY-SA 4.0), and in US records Jairus is used as a boy name.
What is the origin of Jairus?
The exact origin of Jairus is debated, but it has been used across multiple naming traditions.
How do you pronounce Jairus?
Jairus has 6 letters and is most commonly stressed on the first syllable.
Is Jairus a boy's or girl's name?
Jairus is primarily used as a boy's name in US records.
How popular is Jairus in 2026?
In our 2026 popularity tracker, Jairus sits in the Rare tier — an uncommon, standout choice.
What names are similar to Jairus?
Names that share Jairus's sound and style include Jarius, Jerica, Jericho, Jorje, Jerrica.
What middle names pair well with Jairus?
Good middle-name fits for Jairus pair an opposite syllable rhythm: if Jairus is short, lean longer (e.g. classical or three-syllable middles); if Jairus is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Jairus?
Sibling names that pair naturally with Jairus share its rhythm without rhyming — Jarius, Jerica, Jericho all sit comfortably alongside it on a shortlist.