Boys' name · since 2015

Flex

Flex has 17 recorded births since 2015 in federal Social Security data, most heavily in 2021 -- full year-by-year trend, decade aggregates, and state rankings follow.

17
total births
2015–2022
years on record
2020s
peak decade
71%
born in that decade

Flex sits outside today's top ranks for boys, with 17 recorded since 2015.

Social Security Administration records show Flex recorded 17 times among boys since 2015, though it doesn't currently rank among the most-used boys names, peaking in the 2020s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 2015 to 2022.

  • 17 total births
  • 2015–2022 years on record
  • 2020s peak decade
  • 71% born in that decade

Data updated Jul 2026

The verdict

17 boys have been named Flex since 2015, peaking in the 2020s, last recorded in 2022.

17
total births
2015–2022
years on record
2020s
peak decade
71%
born in that decade
2020s
Peak decade

71% of everyone ever named Flex was born in this single decade.

2021
Single peak year

6 babies were named Flex in 2021 - its busiest year on record.

Flex's usage pattern, beyond the headline number

Flex splits its recorded history at 2021: 71% of all births land in the more recent half, 29% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 2015 (5 births) -- compare that against the 2021 peak of 6 for a sense of just how much the name's popularity has swung.

Flex at a glance

Last recorded 2022

Total births

17

Since 2015

8 years of records

Peak year

2021

6 births that year

Strongest decade: 2020s

Current rank

Unranked

Outside the modern top-1,000

As of 2022

Active since

2015

Recorded for 8 years

Last year on file: 2022

Flex popularity over time

Annual U.S. births registered with the Social Security Administration · 2015–2022

Last recorded 2022
Peak year (2021)
6
Annual births at peak, across 8 years of records
4.555.566.5 201520212022 6

Flex by decade

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

2020s was Flex's strongest decade.

12 babies received the name during that ten-year window, about 71% of all-time use.

Flex births by decade

Total births in each ten-year window

births

What this shows Peak: 2020s at 12 births (71% of all-time use).

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

Frequently Asked Questions

How popular is the name Flex?
17 babies have been named Flex since 2015. It was last recorded in 2022. The peak year was 2021 with 6 births.
When was Flex most popular?
Flex was most popular in the 2020s decade with 12 total births. The single peak year was 2021.
How long has the name Flex been used?
Records for Flex go back to 2015, giving 8 years of history through 2022.
What names are similar to Flex?
Names with a similar sound or spelling include Fletcher, Fleming, Flem, Fleet, and 3 more. These share a common prefix and are also used for boys.

Data Sources

Data as of July 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, 2015–2022 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Flex: Baby Name Since 2015 - 17 Births, Peak 2021." NameAlmanac. Accessed via https://namealmanac.com/name/flex. 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 Flex 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 July 2026.