Recorded 1909–2003 Girls' name Peak 1974 372 births

Tosca — girls' name

372 babies named Tosca in U.S. Social Security records since 1909, with the highest year being 1974. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1900s61910s611920s841930s101950s201960s621970s901980s211990s82000s10
1970s
Peak decade

24% of everyone ever named Tosca was born in this single decade.

1974
Single peak year

19 babies were named Tosca in 1974 — its busiest year on record.

What the Data Says About Tosca

The Social Security Administration has registered 372 babies named Tosca between 1909 and 2003, spanning 95 consecutive years of U.S. birth records. As a girl's name, Tosca currently falls outside the top 1,000 girls' names for 2003. The name reached its historical peak in 1974, when 19 babies received it in a single year.

Decade-level aggregation shows that Tosca performed strongest in the 1970s, accumulating 90 births during that ten-year window. Across the 10 decades of recorded activity, Tosca shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 28 births — the largest state-level total in the dataset — followed by New York. In total, SSA state-level files list Tosca in 2 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Tosca 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 372 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.

Tosca at a glance

Last recorded 2003

Total births

372

Since 1909

95 years of records

Peak year

1974

19 births that year

Strongest decade: 1970s

Current rank

Unranked

Outside the modern top-1,000

As of 2003

Active since

1909

Recorded for 95 years

Last year on file: 2003

Tosca popularity over time

Annual U.S. births registered with the Social Security Administration · 2003–1909

Last recorded 2003
Peak year (1974)
19
Annual births at peak — across 95 years of records
05101520 200319801973196719591928192119141909 6

Tosca by decade

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

Peak: 1970s
Peak decade
1970s
90 births that decade — 24% of Tosca's all-time total
1900s61910s611920s841930s101950s201960s621970s901980s211990s82000s10

Tosca by state

Where Tosca concentrates geographically — total births since 1909

Geographically diffuse
Top 2 states by recorded births for the name Tosca
Rank State Visual share Births Share of total
#1 California
28 7.5%
#2 New York
5 1.3%
California share of Tosca's total US births 7.5%
Even split

28 of 372 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Tosca?
372 babies have been named Tosca since 1909. It was last recorded in 2003. The peak year was 1974 with 19 births.
When was Tosca most popular?
Tosca was most popular in the 1970s decade with 90 total births. The single peak year was 1974.
Where is Tosca most popular?
The top states for the name Tosca are California (28 births), New York (5 births).
How long has the name Tosca been used?
Tosca has been recorded in Social Security data since 1909, spanning 95 years of data through 2003.
What names are similar to Tosca?
Names with a similar sound or spelling include Tosha, Toshia, Toshiko, Toshiba, and 4 more. These share a common prefix and are also used for girls.

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, 1909–2003 (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.