How Many People Are Named Kirby?
people named Kirby are alive in the United States today (estimate)
About 1 in 24,541 people in the US has this name
Based on 18,495 babies named Kirby in Social Security records from 1881 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎 Rare
Peak Year
509 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
From an English surname which was originally from a place name meaning "church settlement" in Old Norse.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
Of the babies given the name Kirby, 27.1% were girls and 72.9% were boys. The share of girls among babies named Kirby rose from 1.9% in the 1910s to 56.7% in the 2020s.
👥 Age Distribution
The average person named Kirby alive today is about 45 years old, and 47% are between 30 and 59. Half of them were between 32 and 64 in 2025.
📈 Popularity Over Time
Kirby first appears in the records in 1881 and was given most often in 1984, to 509 babies. In 2025, 101 babies got the name.
Babies given the name each year, 1881 to 2025
🏆 Rank History
Kirby has never been one of the 100 most popular boys' names. Its best rank was #397, in 1954. In 2025 it ranked #3,277. Among girls, its best rank was #526, in 1984.
| Boys | Girls | |
|---|---|---|
| Rank in 2025 | #3,277 | #2,671 |
| Best rank | #397 (1954) | #526 (1984) |
| Years in the top 100 | None | None |
| Rank in its biggest decade | #425 in the 1950s | #1,045 in the 1980s |
📍 State-Wise Distribution
People named Kirby alive today, by the state where they were born (estimate; state records start in 1910).
More people named Kirby were born in Texas than in any other state: about 1,574 of those alive today. Compared with the national rate in the same years, Kirby was given 3.9 times as often in Louisiana, 2.7 times in Texas and 2.3 times in North Carolina.
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