How Many People Are Named Islay?
An estimated 351 people in the United States have the first name Islay. It is almost exclusively a female name. The average bearer is 8 years old, and Islay peaked in popularity in 2021 with 51 births that year.
Below you will find a full statistical profile of Islay as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Islay paired with any surname.
Estimated Living Americans
351
About 1 in 976,508 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
8
years old
Peak Year
2021
51 births
Total Registered
354
since 1880
Gender Distribution for Islay
Islay is almost exclusively a female name. Out of 354 total births registered, 100.0% were female.
Islay as a female name
Ranked #4,498 in 2024
31 female births in 2024
Peak: 2021 (51 births)
Islay: Popularity Over Time
SSA records for Islay span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2020s, when 188 babies were registered. Islay remains highly popular today, with recent registration numbers near its historical peak.
Islay by Decade
How has Islay tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Islay by State
Birth registrations for Islay span all 3 states and territories in the SSA database. The highest counts are in California, Washington, Indiana. The lowest are in Indiana, Washington, California. On average, about 10 Islays were registered per state.
Islay + Last Name Combinations
How many people share a full name with Islay as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Islay
Other first names starting with I with a similar number of bearers.
Islay: Questions and Answers
How many people in the U.S. are named Islay?
We estimate approximately 351 people named Islay are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 976,508 Americans share this first name.
Is Islay a common name?
Islay is classified as "Very Rare" and is more popular than 80.9% of all first names in the SSA database. A total of 354 births have been registered with this name since 1880.
When was Islay most popular?
Islay reached peak popularity in 2021, when 51 babies were given this name. The average age of a living person named Islay is approximately 8 years old, reflecting when the name was most commonly given.
Is Islay a female name?
Islay is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Islay Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Islay Smith, Islay Johnson, Islay Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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