In
Girl nameIn has been given to 26 babies in the U.S. since 1954. It peaked in 1956.
Popularity over time births per year, 1880–2025
Total babies
26
Peak year
1956 (6 babies)
Rank in 2025
Below top 1000
First recorded
1954
10-year trend
New / returning
Gender split
81% girls / 19% boys
Spellings & variants
Names one letter away from In — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as In.
FAQ
How popular is the name In?
In has been given to 26 babies in the U.S. since 1954. It ranked below the top 1000 in 2025.
When did the name In peak?
In peaked in 1956, when 6 babies were given the name.
Is In a girl or boy name?
In is primarily a girl name (81% of babies named In are girls).
Get new name insights first
Occasional updates when we add new data & tools. No spam, unsubscribe anytime by replying to any email or writing to hello@zalize.com.
By subscribing you agree to our privacy policy. We store only your email address and the date you signed up.