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Caellum

♂ Boy

Pronounced KAY-lum /ˈkaɪ.ləm/Medium

Meaning: Caellum is a spelling of Caelum, Latin for 'heaven; sky' (also the name of a small constellation). It overlaps in sound with Callum, a Gaelic name for 'dove,' and we note the spelling variation.Low

In 30 seconds: A lofty Latin name: Caellum spells Caelum, 'heaven; sky' (said 'KAY-lum'). Airy and rare.

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Origin MediumLatin

MeaningCaellum is a spelling of Caelum, Latin for 'heaven; sky' (also the name of a small constellation). It overlaps in sound with Callum, a Gaelic name for 'dove,' and we note the spelling variation.

U.S. rank (2024)#12586 ↘ Falling

2024 U.S. births5 boys (0.00% of U.S. boys)

Peak year2014

Total births (all-time)≈ 178

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Caellum is a spelling of Caelum, Latin for 'heaven; sky,' and the name of a constellation. It overlaps with Callum ('dove') in sound, and we note the variation. An airy two-beat name (said 'KAY-lum').

It is rare for boys in the U.S. Rare, celestial, and airy.

Did you know? Caellum is a spelling of the Latin Caelum, meaning 'heaven' or 'sky' — also a small southern constellation. It echoes the Gaelic Callum ('dove') in sound, a lofty and rare pick (said 'KAY-lum').

Overall data confidence 48%

References — Caellum — spelling of Caelum, Latin 'heaven; sky'

Variations

CaelumCallum

Nicknames

CaelCal

Famous Bearers

Famous bearers coming soon.

If you like Caellum…

Callum— a near-twin in sound

Caelan— a like Cael- name

Cassius— a like celestial Latin pick

Orion— a like sky-themed name

Explore names like Caellum

By themelatin nature rare celestial

By meaningStar Sky / Heaven Bird

All themes →All meanings →All origins →

Frequently Asked

What does the name Caellum mean?

Caellum is a spelling of the Latin Caelum, meaning 'heaven; sky.'

How do you pronounce Caellum?

It's said KAY-lum /ˈkaɪ.ləm/ — two syllables, stress on the first.

Is Caellum a boy or girl name?

Here Caellum is used as a boy's name.

How popular is Caellum?

Caellum is rare for boys in the U.S.