Boys' name · since 2005

Gwilym

Since 2005, U.S. Social Security records show 5 babies named Gwilym, peaking in 2005. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

5
total births
2005–2005
years on record
2000s
peak decade
100%
born in that decade

Gwilym sits outside today's top ranks for boys, with 5 recorded since 2005.

According to the U.S. Social Security Administration, Gwilym has been recorded 5 times among boys since 2005, though it is not among the currently most-used boys names, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2005 to 2005.

  • 5 total births
  • 2005–2005 years on record
  • 2000s peak decade
  • 100% born in that decade

Data updated Jun 2026

The verdict

5 boys have been named Gwilym since 2005, peaking in the 2000s, last recorded in 2005.

5
total births
2005–2005
years on record
2000s
peak decade
100%
born in that decade
2000s
Peak decade

100% of everyone ever named Gwilym was born in this single decade.

2005
Single peak year

5 babies were named Gwilym in 2005 - its busiest year on record.

Gwilym at a glance

Last recorded 2005

Total births

5

Since 2005

1 years of records

Peak year

2005

5 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2005

Active since

2005

Recorded for 1 years

Last year on file: 2005

Gwilym popularity over time

Annual U.S. births registered with the Social Security Administration · 2005–2005

Last recorded 2005
Peak year (2005)
5
Annual births at peak, across 1 years of records
5 2005 5

Gwilym by decade

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

2000s was Gwilym's strongest decade.

5 babies received the name during that ten-year window, about 100% of all-time use.

Gwilym births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 5 births (100% of all-time use).

Source U.S. Social Security Administration · Baby Names As of June 2026

Frequently Asked Questions

How popular is the name Gwilym?
Gwilym has been given to 5 babies in the U.S. since 2005, according to SSA data. Its last appearance in the data was 2005. 5 babies were born in 2005, its single highest year.
When was Gwilym most popular?
Gwilym was most popular in the 2000s decade with 5 total births. The single peak year was 2005.
How long has the name Gwilym been used?
Records for Gwilym go back to 2005, giving 1 year of history through 2005.
What names are similar to Gwilym?
Names with a similar sound or spelling include Gwin, Gwinn, Gwiza. These share a common prefix and are also used for boys.

Data Sources

Data as of June 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 2005–2005 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Gwilym: Baby Name Since 2005 - 5 Births, Peak 2005." NameAlmanac. Accessed via https://namealmanac.com/name/gwilym. Licensed CC BY-SA 4.0.

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Gwilym draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.