Boy’s name · Latin

Caelum

How to say it: KAY-ləm · /ˈkeɪləm/

From Latin 'caelum' meaning 'sky, heaven' - rare literary name, also a southern constellation.

Caelum was the 1,408th most popular boys’ name in the United States in 2025, given to 97 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 3.1-fold in ten years, and it is projected to rise to #1,392 by 2030.

Updated · SSA 2025 data, published May 2026 · How we compute these figures

#1,408for boys in 2025
1 in 34,178US babies
97born in 2025
#1,392projected for 2030
2020sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Caelum
Rank among boys’ names, 2025#1,408
Babies born in 202597
Share of births1 in 34,178
Peak decade2020s
Change over 10 years×3.1
Projected rank for 2030 (estimate)#1,392

Sources: Social Security Administration (SSA). How we compute these figures.

Its life, decade by decade

Caelum is a newcomer: almost all of its history is from the last forty years.

1900195020002020–25
Peak: 42 per million births, 2020s.

What goes with it

Nicknames

  • Cae
  • Cal
  • Lum

Honouring a Caelum in the family

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Caelum is about under 1 in 200.

Around the world

This spelling is used in English.

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