Boy Name
Lum
Lum means “Pool”. 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.
Considering Lum? It is a boy name whose meaning is "Pool", and ranks in our Rare popularity tier. Phonetically it shares territory with Lin.
Lum meaning, origin, and usage
Meaning: Pool
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Lum as L·U·M, with 3 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Lum is an uncommon, standout choice in the Rare tier.
Lum variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Luma, Lume, Lumy.
- Nicknames: Lum works as its own nickname.
- Middle names: Pair Lum with a middle name that balances its short sound; start with the Lum middle name generator.
- Sibling names: Lin, Lenn, Lonn, Lon, Len — full picks on the sibling names for Lum guide for a cohesive sibset.
- Similar names: Looking for names that sound like Lum? Browse our names like Lum 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 Lum
What does the name Lum mean?
Lum means "Pool". The meaning is recorded in English Wiktionary (CC BY-SA 4.0), and in US records Lum is used as a boy name.
What is the origin of Lum?
The exact origin of Lum is debated, but it has been used across multiple naming traditions.
How do you pronounce Lum?
Lum has 3 letters and is most commonly stressed on the first syllable.
Is Lum a boy's or girl's name?
Lum is primarily used as a boy's name in US records.
How popular is Lum in 2026?
In our 2026 popularity tracker, Lum sits in the Rare tier — an uncommon, standout choice.
What names are similar to Lum?
Names that share Lum's sound and style include Lin, Lenn, Lonn, Lon, Len.
What middle names pair well with Lum?
Good middle-name fits for Lum pair an opposite syllable rhythm: if Lum is short, lean longer (e.g. classical or three-syllable middles); if Lum is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Lum?
Sibling names that pair naturally with Lum share its rhythm without rhyming — Lin, Lenn, Lonn all sit comfortably alongside it on a shortlist.