US rank #6203 Unisex name Peak 2000 1,000 births

Rees — #6203 US boys' name

1,000 babies named Rees in U.S. Social Security records since 1914, with the highest year being 2000. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s291920s391930s351940s541950s361960s451970s191980s581990s1842000s2872010s1692020s45
#6203
of 14,243 boys in use

More common than 56% of names given to boys today.

2000s
Peak decade

29% of everyone ever named Rees was born in this single decade.

2000
Single peak year

36 babies were named Rees in 2000 — its busiest year on record.

What the Data Says About Rees

The Social Security Administration has registered 1,000 babies named Rees between 1914 and 2024, spanning 111 consecutive years of U.S. birth records. As a boy's name, Rees currently holds the #6203 rank among boys for 2024. The name reached its historical peak in 2000, when 36 babies received it in a single year. Rees is classified as unisex in SSA records: the opposite-sex variant accounts for 136 additional births since 1999.

Decade-level aggregation shows that Rees performed strongest in the 2000s, accumulating 287 births during that ten-year window. Across the 12 decades of recorded activity, Rees shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 27 births — the largest state-level total in the dataset — followed by Ohio. In total, SSA state-level files list Rees in 2 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Rees 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 1,000 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.

Rees at a glance

Outside the top 1,000

Total births

1,000

Since 1914

111 years of records

Peak year

2000

36 births that year

Strongest decade: 2000s

Current rank

#6,203

Among boys

As of 2024

Active since

1914

Recorded for 111 years

Last year on file: 2024

Rees popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–1914

Outside the top 1,000
Peak year (2000)
36
Annual births at peak — across 111 years of records
010203040 202420132002199119701952193819171914 5

Rees popularity over time — girls

136 total births recorded since 1999 (Rees as girls' name)

Unisex variant — 136 births
46810121416 2023201820142010200720041999 7

Rees by decade

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

Peak: 2000s
Peak decade
2000s
287 births that decade — 29% of Rees's all-time total
1910s291920s391930s351940s541950s361960s451970s191980s581990s1842000s2872010s1692020s45

Rees by state

Where Rees concentrates geographically — total births since 1914

Geographically diffuse
Top 2 states by recorded births for the name Rees
Rank State Visual share Births Share of total
#1 California
27 2.7%
#2 Ohio
5 0.5%
California share of Rees's total US births 2.7%
Even split

27 of 1,000 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Rees?
1,000 babies have been named Rees since 1914. It currently ranks #6203 among boys. The peak year was 2000 with 36 births.
When was Rees most popular?
Rees was most popular in the 2000s decade with 287 total births. The single peak year was 2000.
Where is Rees most popular?
The top states for the name Rees are California (27 births), Ohio (5 births).
Is Rees a unisex name?
Yes, Rees is used for both boys and girls. As a boy's name it has 1,000 births, and as a girl's name it has 136 births.
How long has the name Rees been used?
Rees has been recorded in Social Security data since 1914, spanning 111 years of data through 2024.
What names are similar to Rees?
Names with a similar sound or spelling include Reed, Reece, Reese, Reef, and 4 more. 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, 1914–2024 (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.