US rank #3993 Unisex name Peak 2023 839 births

Rainier — #3993 US boys' name

839 babies named Rainier in U.S. Social Security records since 1956, with the highest year being 2023. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1950s181960s51970s561980s1001990s952000s1262010s2572020s182
#3993
of 14,243 boys in use

More common than 72% of names given to boys today.

2010s
Peak decade

31% of everyone ever named Rainier was born in this single decade.

2023
Single peak year

41 babies were named Rainier in 2023 — its busiest year on record.

What the Data Says About Rainier

The Social Security Administration has registered 839 babies named Rainier between 1956 and 2024, spanning 69 consecutive years of U.S. birth records. As a boy's name, Rainier currently holds the #3993 rank among boys for 2024. The name reached its historical peak in 2023, when 41 babies received it in a single year. Rainier is classified as unisex in SSA records: the opposite-sex variant accounts for 46 additional births since 2015.

Decade-level aggregation shows that Rainier performed strongest in the 2010s, accumulating 257 births during that ten-year window. Across the 8 decades of recorded activity, Rainier shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in California, which accounts for 86 births — the largest state-level total in the dataset — followed by Washington and New York. In total, SSA state-level files list Rainier in 4 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Rainier 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 839 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.

Rainier at a glance

Outside the top 1,000

Total births

839

Since 1956

69 years of records

Peak year

2023

41 births that year

Strongest decade: 2010s

Current rank

#3,993

Among boys

As of 2024

Active since

1956

Recorded for 69 years

Last year on file: 2024

Rainier popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–1956

Outside the top 1,000
Peak year (2023)
41
Annual births at peak — across 69 years of records
01020304050 202420172010200319961989198219751956 11

Rainier popularity over time — girls

46 total births recorded since 2015 (Rainier as girls' name)

Unisex variant — 46 births
4681012 202320222021201920182015 8

Rainier by decade

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

Peak: 2010s
Peak decade
2010s
257 births that decade — 31% of Rainier's all-time total
1950s181960s51970s561980s1001990s952000s1262010s2572020s182

Rainier by state

Where Rainier concentrates geographically — total births since 1956

Geographically diffuse
Top 4 states by recorded births for the name Rainier
Rank State Visual share Births Share of total
#1 California
86 10.3%
#2 Washington
85 10.1%
#3 New York
5 0.6%
#4 Oregon
5 0.6%
California share of Rainier's total US births 10.3%
Even split

86 of 839 births nationwide. Compared to a flat distribution across 4 reporting states.

Frequently Asked Questions

How popular is the name Rainier?
839 babies have been named Rainier since 1956. It currently ranks #3993 among boys. The peak year was 2023 with 41 births.
When was Rainier most popular?
Rainier was most popular in the 2010s decade with 257 total births. The single peak year was 2023.
Where is Rainier most popular?
The top states for the name Rainier are California (86 births), Washington (85 births), New York (5 births).
Is Rainier a unisex name?
Yes, Rainier is used for both boys and girls. As a boy's name it has 839 births, and as a girl's name it has 46 births.
How long has the name Rainier been used?
Rainier has been recorded in Social Security data since 1956, spanning 69 years of data through 2024.
What names are similar to Rainier?
Names with a similar sound or spelling include Raiden, Rainer, Rain, Raiford, and 4 more. These share a common prefix and are also used for boys.

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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, 1956–2024 (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.