Meaning not yet researched.
Xi: US boys given the name each year, 1880 to 2025, from Social Security card applications. 8 in 2025. Its best rank was #8,187 in 2019.
US births per year · SSA card applications
Peaked at #8,187 in 2019; #9,668 in 2025. Every baby recorded as Xi in 2025 was a boy.
Baby name · US data 1880–2025
#9,668 for US boys in 2025. Its best year was 2019, at #8,187.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Xi: US boys and girls given the name each year from 1880 to 2025. 8 boys in 2025. Peak: #8,187 in 2019 · most boys in one year: 10 (2019).
In 2025, 8 US boys were named Xi, making it the 9,668th most common boys’ name of the year, up 1,215 places from #10,883 in 2024. That is 1 more than the 7 boys named Xi in 2024. Its best rank for boys was #8,187, reached in 2019. That year also had the most boys given the name: 10. For comparison, it was unranked (under five boys) in 2015 and unranked in 1950.
Fewer than five US girls were named Xi in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #12,100, reached in 2024. That year also had the most girls given the name: 8. For comparison, it was unranked (under five girls) in 2015 and unranked in 1950.
Social Security card records list Xi in 10 years of the 146 from 1880 to 2025, starting in 2014 with 6 babies. In all, 99 US babies have been given the name, 47% of them girls and 53% boys. Its busiest decade was the 2020s, with 56 babies named Xi.
Over the 10 years from 2016 to 2025, 52 US boys were named Xi; the busiest of those years was 2019, with 10. In 2025 that was about 1 in 213,510 of the boys in SSA’s list for the year.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Births and national rank for each year SSA lists the name, newest first.
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).