Recorded 1915–1994 Boys' name Peak 1915 16 births

Reidar — boys' name

16 babies named Reidar in U.S. Social Security records since 1915, with the highest year being 1915. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s111990s5
1910s
Peak decade

69% of everyone ever named Reidar was born in this single decade.

1915
Single peak year

6 babies were named Reidar in 1915 — its busiest year on record.

What the Data Says About Reidar

The Social Security Administration has registered 16 babies named Reidar between 1915 and 1994, spanning 80 consecutive years of U.S. birth records. As a boy's name, Reidar currently falls outside the top 1,000 boys' names for 1994. The name reached its historical peak in 1915, when 6 babies received it in a single year.

Decade-level aggregation shows that Reidar performed strongest in the 1910s, accumulating 11 births during that ten-year window. Across the 2 decades of recorded activity, Reidar shows notable generational variation in parental adoption.

No etymological entry is currently available for Reidar 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 16 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.

Reidar at a glance

Last recorded 1994

Total births

16

Since 1915

80 years of records

Peak year

1915

6 births that year

Strongest decade: 1910s

Current rank

Unranked

Outside the modern top-1,000

As of 1994

Active since

1915

Recorded for 80 years

Last year on file: 1994

Reidar popularity over time

Annual U.S. births registered with the Social Security Administration · 1994–1915

Last recorded 1994
Peak year (1915)
6
Annual births at peak — across 80 years of records
4.555.566.5 199419191915 6

Reidar by decade

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

Peak: 1910s
Peak decade
1910s
11 births that decade — 69% of Reidar's all-time total
1910s111990s5

Frequently Asked Questions

How popular is the name Reidar?
16 babies have been named Reidar since 1915. It was last recorded in 1994. The peak year was 1915 with 6 births.
When was Reidar most popular?
Reidar was most popular in the 1910s decade with 11 total births. The single peak year was 1915.
How long has the name Reidar been used?
Reidar has been recorded in Social Security data since 1915, spanning 80 years of data through 1994.
What names are similar to Reidar?
Names with a similar sound or spelling include Reid, Reilly, Reinaldo, Reign, 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, 1915–1994 (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.