Boys' name · since 1880

Mortimer

Since 1880, U.S. Social Security records show 1,943 babies named Mortimer, peaking in 1916. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#3,367 of 45,481
all-time among boys
1,943
born since 1880
1910s
peak decade

Mortimer is not among the current top-ranked boys names; 1,943 have been recorded since 1880.

Mortimer has 1,943 recorded births among boys since 1880, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1910s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1880 to 2023.

  • #3,367 of 45,481 all-time among boys
  • 1,943 born since 1880
  • 1910s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Mortimer ranks #3,367 of 45,481 boys' names by all-time recorded births (highest first). 1,943 born since 1880, peaking in the 1910s.

#3,367 of 45,481
all-time among boys
1,943
born since 1880
1910s
peak decade
Above the archive median
All-time archive position

Mortimer's 1,943 recorded births place it above 92.59% of the 45,481 boys names in the full SSA archive.

7 jurisdictions
State-record footprint

7 jurisdictions carry state-level records, led by New York.

Mortimer's usage pattern, beyond the headline number

Mortimer splits its recorded history at 1926: 30% of all births land in the more recent half, 70% in the earlier half, leaning more toward its earlier era than today's. The single quietest year was 1903 (5 births) -- compare that against the 1916 peak of 91 for a sense of just how much the name's popularity has swung.

Mortimer popularity over time

Annual U.S. births registered with the Social Security Administration · 1880–2023

Last recorded 2023
Peak year (1916)
91
Annual births at peak, across 144 years of records
020406080100 188018941906191819301942195720152023 5

Mortimer by decade

1910s is the heaviest window (645 births, 33% of the file).

1910s was Mortimer's strongest decade.

645 babies received the name during that ten-year window, about 33% of all-time use.

Mortimer births by decade

Total births in each ten-year window

births

What this shows Peak: 1910s at 645 births (33% of all-time use).

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

How Mortimer 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 Mortimer's total volume

Mortimer vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15%20%25%30% 050100150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -37, 8.4%-28, 7.9%-107, 6.4%-66, 3.7%-71, 4.1%-36, 4.9%-49, 7.7%-134, 4%-39, 24.6%-68, 3%-44, 9.4%-105, 2.9%-52, 7.1%-38, 10.5%-53, 7.8%Mortimer-144, 4.7%Mortimer
Mortimer vs 15 similarly-sized boys names

Mortimer by state

Where Mortimer concentrates geographically, total births since 1880

Regionally concentrated
Top 7 states by recorded births for the name Mortimer
Rank State Visual share Births Share of total
#1 New York
786 40.5%
#2 New Jersey
62 3.2%
#3 Illinois
15 0.8%
#4 Massachusetts
15 0.8%
#5 Connecticut
10 0.5%
#6 Pennsylvania
5 0.3%
#7 Wisconsin
5 0.3%
New York share of Mortimer's total US births 40.5%
Even split

786 of 1,943 births nationwide. Compared to a flat distribution across 7 reporting states.

Frequently Asked Questions

How popular is the name Mortimer?
Since 1880, Social Security records show 1,943 babies named Mortimer. Across the full SSA archive it ranks #3,367 of 45,481 boys' names by total births. The most recent recorded year was 2023. Its busiest year on record was 1916, with 91 births.
Where does Mortimer sit in the SSA name archive?
According to the U.S. Social Security Administration, Mortimer ranks #3,367 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Mortimer most popular?
Mortimer was most popular in the 1910s decade with 645 total births. The single peak year was 1916.
Where is Mortimer most popular?
The top states for the name Mortimer are New York (786 births), New Jersey (62 births), Illinois (15 births).
How long has the name Mortimer been used?
Mortimer has been recorded in Social Security data since 1880, spanning 144 years of data through 2023.
What names are similar to Mortimer?
Names with a similar sound or spelling include Morris, Morgan, Morton, Mordechai, and 4 more. These share a common prefix and are also used for boys.

What to do with Mortimer's data

  • Mortimer's decade-level peak was the 1910s (645 total births); usage has since declined to 19 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • New York records the most Mortimers (786 births) -- see the full state breakdown if geography matters to your decision. New York names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Mortimer

Nearby Names Like Mortimer

Names with a similar sound, spelling, or feel to Mortimer

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Mortimer: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 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, 1880–2023 (ssa.gov/oact/babynames).

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

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 Mortimer 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 August 2026.