How Many People Are Named Tilly?
people named Tilly are alive in the United States today (estimate)
About 1 in 130,402 people in the US has this name
Based on 2,699 babies named Tilly in Social Security records from 1912 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
302 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Diminutive of MATILDA.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
Same Sound, Other Spellings
These names are pronounced like Tilly in English. Counting Tilly and these spellings together, about 5,732 people alive in the US have the name.
⚧ Gender Distribution
All of the babies given the name Tilly in the records were girls.
👥 Age Distribution
The average person named Tilly alive today is about 8 years old, and 97% are under 30. Half of them were between 2 and 10 in 2025.
📈 Popularity Over Time
Tilly first appears in the records in 1912, and 2025 was its biggest year so far, with 302 babies.
Babies given the name each year, 1912 to 2025
🏆 Rank History
Tilly has never been one of the 100 most popular girls' names. Its best rank was #885, in 2025. In 2025 it ranked #885.
| Girls | |
|---|---|
| Rank in 2025 | #885 |
| Best rank | #885 (2025) |
| Years in the top 100 | None |
| Rank in its biggest decade | #1,046 in the 2020s |
📍 State-Wise Distribution
People named Tilly alive today, by the state where they were born (estimate; state records start in 1910).
More people named Tilly were born in Texas than in any other state: about 157 of those alive today. Compared with the national rate in the same years, Tilly was given 3.1 times as often in Utah, 3 times in Kentucky and 2.4 times in Indiana.
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