Jillion
Girl nameJillion has been given to 22 babies in the U.S. since 1982. It peaked in 1986.
Popularity over time births per year, 1880–2025
Total babies
22
Peak year
1986 (8 babies)
Rank in 2025
Below top 1000
First recorded
1982
10-year trend
New / returning
Gender split
All girls
Spellings & variants
Names one letter away from Jillion — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Jillion.
Sibling name ideas for Jillion
Same era and popularity as Jillion, avoiding matching initials or rhymes.
FAQ
How popular is the name Jillion?
Jillion has been given to 22 babies in the U.S. since 1982. It ranked below the top 1000 in 2025.
When did the name Jillion peak?
Jillion peaked in 1986, when 8 babies were given the name.
Is Jillion a girl or boy name?
Jillion is primarily a girl name (100% of babies named Jillion are girls).
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