Recorded 1961–2023 Boys' name Peak 1974 365 births

Kostas — boys' name

365 babies named Kostas in U.S. Social Security records since 1961, with the highest year being 1974. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1960s311970s1071980s901990s222000s452010s452020s25
1970s
Peak decade

29% of everyone ever named Kostas was born in this single decade.

1974
Single peak year

17 babies were named Kostas in 1974 — its busiest year on record.

What the Data Says About Kostas

The Social Security Administration has registered 365 babies named Kostas between 1961 and 2023, spanning 63 consecutive years of U.S. birth records. As a boy's name, Kostas currently falls outside the top 1,000 boys' names for 2023. The name reached its historical peak in 1974, when 17 babies received it in a single year.

Decade-level aggregation shows that Kostas performed strongest in the 1970s, accumulating 107 births during that ten-year window. Across the 7 decades of recorded activity, Kostas shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New York, which accounts for 31 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Kostas in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Kostas 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 365 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.

Kostas at a glance

Last recorded 2023

Total births

365

Since 1961

63 years of records

Peak year

1974

17 births that year

Strongest decade: 1970s

Current rank

Unranked

Outside the modern top-1,000

As of 2023

Active since

1961

Recorded for 63 years

Last year on file: 2023

Kostas popularity over time

Annual U.S. births registered with the Social Security Administration · 2023–1961

Last recorded 2023
Peak year (1974)
17
Annual births at peak — across 63 years of records
05101520 202320142007199019841978197219661961 5

Kostas by decade

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

Peak: 1970s
Peak decade
1970s
107 births that decade — 29% of Kostas's all-time total
1960s311970s1071980s901990s222000s452010s452020s25

Kostas by state

Where Kostas concentrates geographically — total births since 1961

Geographically diffuse
Top 1 states by recorded births for the name Kostas
Rank State Visual share Births Share of total
#1 New York
31 8.5%
New York share of Kostas's total US births 8.5%

31 of 365 births nationwide.

Frequently Asked Questions

How popular is the name Kostas?
365 babies have been named Kostas since 1961. It was last recorded in 2023. The peak year was 1974 with 17 births.
When was Kostas most popular?
Kostas was most popular in the 1970s decade with 107 total births. The single peak year was 1974.
Where is Kostas most popular?
The top states for the name Kostas are New York (31 births).
How long has the name Kostas been used?
Kostas has been recorded in Social Security data since 1961, spanning 63 years of data through 2023.
What names are similar to Kostas?
Names with a similar sound or spelling include Kosta, Koston, Kostantinos, Kosisochukwu, and 4 more. These share a common prefix and are also used for boys.

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, 1961–2023 (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.