Recorded 1958–2018 Boys' name Peak 1958 15 births

Iwan — boys' name

15 babies named Iwan in U.S. Social Security records since 1958, with the highest year being 1958. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1950s52010s10
2010s
Peak decade

67% of everyone ever named Iwan was born in this single decade.

1958
Single peak year

5 babies were named Iwan in 1958 — its busiest year on record.

What the Data Says About Iwan

The Social Security Administration has registered 15 babies named Iwan between 1958 and 2018, spanning 61 consecutive years of U.S. birth records. As a boy's name, Iwan currently falls outside the top 1,000 boys' names for 2018. The name reached its historical peak in 1958, when 5 babies received it in a single year.

Decade-level aggregation shows that Iwan performed strongest in the 2010s, accumulating 10 births during that ten-year window. Across the 2 decades of recorded activity, Iwan shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in California, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Iwan in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Iwan 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 15 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.

Iwan at a glance

Last recorded 2018

Total births

15

Since 1958

61 years of records

Peak year

1958

5 births that year

Strongest decade: 2010s

Current rank

Unranked

Outside the modern top-1,000

As of 2018

Active since

1958

Recorded for 61 years

Last year on file: 2018

Iwan popularity over time

Annual U.S. births registered with the Social Security Administration · 2018–1958

Last recorded 2018
Peak year (1958)
5
Annual births at peak — across 61 years of records
5 201820171958 5

Iwan by decade

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

Peak: 2010s
Peak decade
2010s
10 births that decade — 67% of Iwan's all-time total
1950s52010s10

Iwan by state

Where Iwan concentrates geographically — total births since 1958

Regionally concentrated
Top 1 states by recorded births for the name Iwan
Rank State Visual share Births Share of total
#1 California
5 33.3%
California share of Iwan's total US births 33.3%

5 of 15 births nationwide.

Frequently Asked Questions

How popular is the name Iwan?
15 babies have been named Iwan since 1958. It was last recorded in 2018. The peak year was 1958 with 5 births.
When was Iwan most popular?
Iwan was most popular in the 2010s decade with 10 total births. The single peak year was 1958.
Where is Iwan most popular?
The top states for the name Iwan are California (5 births).
How long has the name Iwan been used?
Iwan has been recorded in Social Security data since 1958, spanning 61 years of data through 2018.
What names are similar to Iwan?
Names with a similar sound or spelling include Iwao. 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, 1958–2018 (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.