Total births
1,244
Boys' name · since 1912
Glennon
Since 1912, U.S. Social Security records show 1,244 babies named Glennon, peaking in 1957. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 1,244
- total births
- 1912–1995
- years on record
- 1920s
- peak decade
- 20%
- born in that decade
Glennon is not among the current top-ranked boys names; 1,244 have been recorded since 1912.
According to the U.S. Social Security Administration, Glennon has been recorded 1,244 times among boys since 1912, though it is not among the currently most-used boys names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1912 to 1995.
- 1,244 total births
- 1912–1995 years on record
- 1920s peak decade
- 20% born in that decade
Data updated Jun 2026
The verdict
1,244 boys have been named Glennon since 1912, peaking in the 1920s, last recorded in 1995.
- 1,244
- total births
- 1912–1995
- years on record
- 1920s
- peak decade
- 20%
- born in that decade
1920s
Peak decade
20% of everyone ever named Glennon was born in this single decade.
1957
Single peak year
33 babies were named Glennon in 1957 - its busiest year on record.
Glennon's usage pattern, beyond the headline number
Splitting Glennon's full recorded timeline at 1949, 42% of its total births fall in the more recent half of the record versus 58% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1912, with just 5 recorded births -- worth weighing against the 1957 peak of 33 to see the full range of the name's swing in popularity.
Glennon at a glance
Last recorded 1995Peak year
1957
Current rank
Unranked
Active since
1912
Glennon popularity over time
Annual U.S. births registered with the Social Security Administration · 1912–1995
- Peak year (1957)
- 33
- Annual births at peak, across 84 years of records
Glennon by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Glennon's strongest decade.
243 babies received the name during that ten-year window, about 20% of all-time use.
Glennon births by decade
Total births in each ten-year window
- 1910s
1910s
100 births
- 1920s
1920s
243 births
- 1930s
1930s
185 births
- 1940s
1940s
211 births
- 1950s
1950s
220 births
- 1960s
1960s
162 births
- 1970s 56
1970s
56 births
- 1980s 49
1980s
49 births
- 1990s 18
1990s
18 births
What this shows Peak: 1920s at 243 births (20% of all-time use).
How Glennon compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Glennon's total volume
Glennon vs 15 similarly-sized boys names
Glennon by state
Where Glennon concentrates geographically, total births since 1912
Frequently Asked Questions
How popular is the name Glennon? ▼
1,244 babies have been named Glennon since 1912. It was last recorded in 1995. The peak year was 1957 with 33 births.
When was Glennon most popular? ▼
Glennon was most popular in the 1920s decade with 243 total births. The single peak year was 1957.
Where is Glennon most popular? ▼
The top states for the name Glennon are Missouri (833 births), Illinois (5 births).
How long has the name Glennon been used? ▼
The SSA has tracked Glennon since 1912 -- 84 years through the most recent 1995 data.
What names are similar to Glennon? ▼
Names with a similar sound or spelling include Glenn, Glen, Glendon, Glenwood, and 4 more. These share a common prefix and are also used for boys.
What to do with Glennon's data
- Glennon's decade-level peak was the 1920s (243 total births); usage has since declined to 18 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Missouri records the most Glennons (833 births) -- see the full state breakdown if geography matters to your decision. Missouri names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Glennon
Nearby Names Like Glennon
Names with a similar sound, spelling, or feel to Glennon
Glenn Boy
#1360 248,642 births
Glen Boy
#2289 125,706 births
Glendon Boy
#6849 4,695 births
Glenwood Boy
2,247 births
Glennis Boy
721 births
Compare Glennon side by side: Glennon vs Glenn Glennon vs Glen Glennon vs Glendon
Related Names
Names with a similar number of total births
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, 1912–1995 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Glennon: Baby Name Since 1912 - 1,244 Births, Peak 1957." NameAlmanac. Accessed via https://namealmanac.com/name/glennon. 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 Glennon 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.