How Many People Are Named Kay?
people named Kay are alive in the United States today (estimate)
About 1 in 5,533 people in the US has this name
Based on 102,545 babies named Kay in Social Security records from 1882 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎 Rare
Peak Year
3,718 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
Of the babies given the name Kay, 98.2% were girls and 1.8% were boys. The share has stayed close to this since the 1890s: 88.4% of the babies were girls then and 79.4% in the 2020s.
👥 Age Distribution
The average person named Kay alive today is about 70 years old, and 86% are 60 or older. Half of them were between 64 and 80 in 2025.
📈 Popularity Over Time
Kay first appears in the records in 1882 and was given most often in 1942, to 3,718 babies. In 2025, 47 babies got the name.
Babies given the name each year, 1882 to 2025
🏆 Rank History
Kay never made the top 10 girls' names. Its best rank was #70, in 1941, and it was in the top 100 for 10 years, 1936 to 1945. In 2025 it ranked #3,945.
| Girls | |
|---|---|
| Rank in 2025 | #3,945 |
| Best rank | #70 (1941) |
| Years in the top 100 | 10 (1936 to 1945) |
| Rank in its biggest decade | #98 in the 1940s |
📍 State-Wise Distribution
People named Kay alive today, by the state where they were born (estimate; state records start in 1910).
More people named Kay were born in Texas than in any other state: about 4,701 of those alive today. Compared with the national rate in the same years, Kay was given 2.9 times as often in Utah, 2.6 times in South Dakota and 2.5 times in Idaho.
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