Total births
548
Girls' name · since 1905
Robertha
Robertha has 548 recorded births since 1905 in federal Social Security data, most heavily in 1921 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 548
- total births
- 1905–1982
- years on record
- 1920s
- peak decade
- 28%
- born in that decade
Robertha is not among the current top-ranked girls names; 548 have been recorded since 1905.
According to the U.S. Social Security Administration, Robertha has been recorded 548 times among girls since 1905, though it is not among the currently most-used girls 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 1905 to 1982.
- 548 total births
- 1905–1982 years on record
- 1920s peak decade
- 28% born in that decade
Data updated Jul 2026
The verdict
548 girls have been named Robertha since 1905, peaking in the 1920s, last recorded in 1982.
- 548
- total births
- 1905–1982
- years on record
- 1920s
- peak decade
- 28%
- born in that decade
1920s
Peak decade
28% of everyone ever named Robertha was born in this single decade.
1921
Single peak year
20 babies were named Robertha in 1921 - its busiest year on record.
Robertha's usage pattern, beyond the headline number
Robertha splits its recorded history at 1938: 44% of all births land in the more recent half, 56% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1910 (5 births) -- compare that against the 1921 peak of 20 for a sense of just how much the name's popularity has swung.
Robertha at a glance
Last recorded 1982Peak year
1921
Current rank
Unranked
Active since
1905
Robertha popularity over time
Annual U.S. births registered with the Social Security Administration · 1905–1982
- Peak year (1921)
- 20
- Annual births at peak, across 78 years of records
Robertha by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Robertha's strongest decade.
152 babies received the name during that ten-year window, about 28% of all-time use.
Robertha births by decade
Total births in each ten-year window
- 1900s 6
1900s
6 births
- 1910s
1910s
65 births
- 1920s
1920s
152 births
- 1930s
1930s
108 births
- 1940s
1940s
84 births
- 1950s
1950s
103 births
- 1960s 14
1960s
14 births
- 1970s 11
1970s
11 births
- 1980s 5
1980s
5 births
What this shows Peak: 1920s at 152 births (28% of all-time use).
How Robertha compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Robertha's total volume
Robertha vs 15 similarly-sized girls names
Robertha by state
Where Robertha concentrates geographically, total births since 1905
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | South Carolina | | 22 | 4.0% |
| #2 | Mississippi | | 5 | 0.9% |
South Carolina share of Robertha's total US births 4.0%
Even split
22 of 548 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Robertha? ▼
548 babies have been named Robertha since 1905. It was last recorded in 1982. The peak year was 1921 with 20 births.
When was Robertha most popular? ▼
Robertha was most popular in the 1920s decade with 152 total births. The single peak year was 1921.
Where is Robertha most popular? ▼
The top states for the name Robertha are South Carolina (22 births), Mississippi (5 births).
How long has the name Robertha been used? ▼
The SSA has tracked Robertha since 1905 -- 78 years through the most recent 1982 data.
What names are similar to Robertha? ▼
Names with a similar sound or spelling include Robin, Roberta, Robyn, Robbie, and 4 more. These share a common prefix and are also used for girls.
What to do with Robertha's data
- Robertha's decade-level peak was the 1920s (152 total births); usage has since declined to 5 in the 1980s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- South Carolina records the most Roberthas (22 births) -- see the full state breakdown if geography matters to your decision. South Carolina 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 Robertha
Nearby Names Like Robertha
Names with a similar sound, spelling, or feel to Robertha
Robin Girl
#799 291,961 births
Roberta Girl
#2749 171,548 births
Robyn Girl
#1297 63,364 births
Robbie Girl
#3398 22,553 births
Robert Girl
20,119 births
Compare Robertha side by side: Robertha vs Robin Robertha vs Roberta Robertha vs Robyn
Related Names
Names with a similar number of total births
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, 1905–1982 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Robertha: Baby Name Since 1905 - 548 Births, Peak 1921." NameAlmanac. Accessed via https://namealmanac.com/name/robertha. 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 Robertha 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.