MallowbyNames

Calcifer

kal-SIF-er · of uncertain origin; likely derived from the fictional character Calcifer in Diana Wynne Jones's novel 'Howl's Moving Castle' (1986), possibly evoking the Latin 'calx' (lime, limestone) or 'cālidus' (hot, fiery).

2025 rank (boys)
#4,707
Babies named in 2025
21
Peak popularity
2023
2025 frequency
1 in 81,337 boys
Usually for
Boys
Trend
Rising since 2016

Rising since 2016, #4,707 for boys today.

Popularity of Calcifer since 2016

Babies named Calcifer per year in U.S. Social Security records.

815232020Most births 2023Boys
Data table (by decade)
DecadeBoys
2010s36
2020s103

Meaning & origin

Calcifer is a modern invented name, first recorded in U.S. births in 2016. It ranked 4,707 in 2025, with about 1 in 81,337 newborns receiving the name. Its popularity has been rising since its debut, with a peak in 2023. The name is almost certainly inspired by the fire demon Calcifer from Diana Wynne Jones's 'Howl's Moving Castle' (1986) and its 2005 film adaptation by Studio Ghibli. No top states have been recorded for this name, suggesting its use remains scattered. As a modern coinage, its etymology is uncertain, but its whimsical, fiery sound fits with a trend toward literary and fantasy names.

Calcifer is a modern invention, first appearing as the name of a fire demon in Diana Wynne Jones's 1986 fantasy novel 'Howl's Moving Castle'. The name may have been inspired by Latin words related to heat or stone, but no direct linguistic root is established. Its use as a personal name began after the 2005 Studio Ghibli film adaptation brought the character to a wider audience.

Nicknames & variants

Nicknames: Cal, Cifer

Sibling names for Calcifer

Names that share Calcifer's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

C is for Calcifer, our favorite little boy.

C is for Calcifer…”

In a Mallowby alphabet book, Calcifer's letter becomes Calcifer's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Calcifer's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Calcifer mean?
Calcifer is a name of uncertain meaning, originating as the name of a fire demon in Diana Wynne Jones's novel 'Howl's Moving Castle'. It may evoke Latin words for heat or fire, but no definitive meaning exists.
How popular is the name Calcifer?
Calcifer debuted in U.S. birth records in 2016 and ranked 4,707 in 2025, with about 1 in 81,337 newborns given the name. Its peak year was 2023.
Is Calcifer a boy's name?
Calcifer is most commonly used for boys, though it is occasionally given to girls. The character Calcifer is male.