Recorded 1967–1998 Unisex name Peak 1995 37 births

Unk — boys' name

37 babies named Unk in U.S. Social Security records since 1967, with the highest year being 1995. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1960s51970s51990s27
1990s
Peak decade

73% of everyone ever named Unk was born in this single decade.

1995
Single peak year

9 babies were named Unk in 1995 — its busiest year on record.

What the Data Says About Unk

The Social Security Administration has registered 37 babies named Unk between 1967 and 1998, spanning 32 consecutive years of U.S. birth records. As a boy's name, Unk currently falls outside the top 1,000 boys' names for 1998. The name reached its historical peak in 1995, when 9 babies received it in a single year. Unk is classified as unisex in SSA records: the opposite-sex variant accounts for 17 additional births since 1950.

Decade-level aggregation shows that Unk performed strongest in the 1990s, accumulating 27 births during that ten-year window. Across the 3 decades of recorded activity, Unk shows a stable profile with only moderate drift from its peak decade.

No etymological entry is currently available for Unk in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 37 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Unk at a glance

Last recorded 1998

Total births

37

Since 1967

32 years of records

Peak year

1995

9 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 1998

Active since

1967

Recorded for 32 years

Last year on file: 1998

Unk popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 1998–1967

Last recorded 1998
Peak year (1995)
9
Annual births at peak — across 32 years of records
45678910 199819951992199019721967 5

Unk popularity over time — girls

17 total births recorded since 1950 (Unk as girls' name)

Unisex variant — 17 births
4.555.566.5 199619921950 5

Unk by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1990s
Peak decade
1990s
27 births that decade — 73% of Unk's all-time total
1960s51970s51990s27

Frequently Asked Questions

How popular is the name Unk?
37 babies have been named Unk since 1967. It was last recorded in 1998. The peak year was 1995 with 9 births.
When was Unk most popular?
Unk was most popular in the 1990s decade with 27 total births. The single peak year was 1995.
Is Unk a unisex name?
Yes, Unk is used for both boys and girls. As a boy's name it has 37 births, and as a girl's name it has 17 births.
How long has the name Unk been used?
Unk has been recorded in Social Security data since 1967, spanning 32 years of data through 1998.
What names are similar to Unk?
Names with a similar sound or spelling include Unknown, Unkown. These share a common prefix and are also used for boys.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1967–1998 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.