Recorded 1883–2023 Boys' name Peak 1915 1,178 births

Winthrop — boys' name

1,178 babies named Winthrop in U.S. Social Security records since 1883, with the highest year being 1915. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s101890s61900s291910s2161920s2131930s1481940s1711950s1631960s1121970s461980s231990s132010s222020s6
1910s
Peak decade

18% of everyone ever named Winthrop was born in this single decade.

1915
Single peak year

48 babies were named Winthrop in 1915 — its busiest year on record.

What the Data Says About Winthrop

The Social Security Administration has registered 1,178 babies named Winthrop between 1883 and 2023, spanning 141 consecutive years of U.S. birth records. As a boy's name, Winthrop currently falls outside the top 1,000 boys' names for 2023. The name reached its historical peak in 1915, when 48 babies received it in a single year.

Decade-level aggregation shows that Winthrop performed strongest in the 1910s, accumulating 216 births during that ten-year window. Across the 14 decades of recorded activity, Winthrop shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Massachusetts, which accounts for 200 births — the largest state-level total in the dataset — followed by New York and Connecticut. In total, SSA state-level files list Winthrop in 3 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Winthrop 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 1,178 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.

Winthrop at a glance

Last recorded 2023

Total births

1,178

Since 1883

141 years of records

Peak year

1915

48 births that year

Strongest decade: 1910s

Current rank

Unranked

Outside the modern top-1,000

As of 2023

Active since

1883

Recorded for 141 years

Last year on file: 2023

Winthrop popularity over time

Annual U.S. births registered with the Social Security Administration · 2023–1883

Last recorded 2023
Peak year (1915)
48
Annual births at peak — across 141 years of records
0102030405060 202319771963195219411930191919051883 5

Winthrop by decade

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

Peak: 1910s
Peak decade
1910s
216 births that decade — 18% of Winthrop's all-time total
1880s101890s61900s291910s2161920s2131930s1481940s1711950s1631960s1121970s461980s231990s132010s222020s6

Winthrop by state

Where Winthrop concentrates geographically — total births since 1883

Geographically diffuse
Top 3 states by recorded births for the name Winthrop
Rank State Visual share Births Share of total
#1 Massachusetts
200 17.0%
#2 New York
47 4.0%
#3 Connecticut
17 1.4%
Massachusetts share of Winthrop's total US births 17.0%
Even split

200 of 1,178 births nationwide. Compared to a flat distribution across 3 reporting states.

Frequently Asked Questions

How popular is the name Winthrop?
1,178 babies have been named Winthrop since 1883. It was last recorded in 2023. The peak year was 1915 with 48 births.
When was Winthrop most popular?
Winthrop was most popular in the 1910s decade with 216 total births. The single peak year was 1915.
Where is Winthrop most popular?
The top states for the name Winthrop are Massachusetts (200 births), New York (47 births), Connecticut (17 births).
How long has the name Winthrop been used?
Winthrop has been recorded in Social Security data since 1883, spanning 141 years of data through 2023.
What names are similar to Winthrop?
Names with a similar sound or spelling include Winston, Winfred, Winfield, Winford, and 4 more. These share a common prefix and are also used for boys.

Keep exploring Winthrop

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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, 1883–2023 (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.