How Many People Are Named Xi?
An estimated 90 people in the United States have the first name Xi. It is used for both genders, with 51.6% female. The average bearer is 6 years old, and Xi peaked in popularity in 2019 with 16 births that year.
Below you will find a full statistical profile of Xi 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 Xi paired with any surname.
Key Insights
- Xi is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
90
About 1 in 3,808,382 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
51.6% confidence
Average Age
6
years old
Peak Year
2019
16 births
Total Registered
91
since 1880
Gender Distribution for Xi
Xi is a genuinely unisex name, used for both males (48.4%) and females (51.6%). Out of 91 total births registered, 44 were male and 47 were female.
Xi as a male name
Ranked #10,835 in 2024
7 male births in 2024
Peak: 2019 (10 births)
Xi as a female name
Ranked #12,058 in 2024
8 female births in 2024
Peak: 2024 (8 births)
Xi: Popularity Over Time
SSA records for Xi span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2020s, when 48 babies were registered. Xi remains highly popular today, with recent registration numbers near its historical peak.
Xi by Decade
How has Xi 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.
Xi + Last Name Combinations
How many people share a full name with Xi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Xi
Other first names starting with X with a similar number of bearers.
Xi: Questions and Answers
How many people in the U.S. are named Xi?
We estimate approximately 90 people named Xi 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 3,808,382 Americans share this first name.
Is Xi a common name?
Xi is classified as "Very Rare" and is more popular than 63% of all first names in the SSA database. A total of 91 births have been registered with this name since 1880.
When was Xi most popular?
Xi reached peak popularity in 2019, when 16 babies were given this name. The average age of a living person named Xi is approximately 6 years old, reflecting when the name was most commonly given.
Is Xi a female name?
Xi is predominantly female. 51.6% of people with this name are female. See the gender breakdown above for full details.
How many Xi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Xi Smith, Xi Johnson, Xi 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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