Mertha — girls' name
190 babies named Mertha in U.S. Social Security records since 1914, with the highest year being 1925. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
35% of everyone ever named Mertha was born in this single decade.
17 babies were named Mertha in 1925 — its busiest year on record.
What the Data Says About Mertha
The Social Security Administration has registered 190 babies named Mertha between 1914 and 1953, spanning 40 consecutive years of U.S. birth records. As a girl's name, Mertha currently falls outside the top 1,000 girls' names for 1953. The name reached its historical peak in 1925, when 17 babies received it in a single year.
Decade-level aggregation shows that Mertha performed strongest in the 1920s, accumulating 67 births during that ten-year window. Across the 5 decades of recorded activity, Mertha shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New Jersey, which accounts for 7 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Mertha in 1 of the 51 U.S. reporting jurisdictions.
No etymological entry is currently available for Mertha in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 190 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.
Mertha at a glance
Last recorded 1953Peak year
Current rank
Active since
Mertha popularity over time
Annual U.S. births registered with the Social Security Administration · 1953–1914
- Peak year (1925)
- 17
- Annual births at peak — across 40 years of records
No longer in the modern top-1000 — last recorded 1953.
190 total births across 40 years of SSA records. Peaked in 1925 with 17 births in a single year.
Mertha by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 1920s
- 67 births that decade — 35% of Mertha's all-time total
Mertha decade highlights
- Peak decade 67 births
- Runner-up 48 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
1920s was Mertha's strongest decade
67 babies received the name during that ten-year window — about 35% of all-time use.
Mertha by state
Where Mertha concentrates geographically — total births since 1914
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New Jersey | | 7 | 3.7% |
7 of 190 births nationwide.
Top 5 states
- New Jersey 3.7% of nationwide
Recorded in 1 of 51 SSA jurisdictions
New Jersey accounts for 3.7% of all recorded births nationwide — a relatively diffuse profile for this name.
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Data Sources
Data as of 2024. Source: U.S. Social Security Administration (SSA).
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1914–1953 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.
State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.