Recorded 1979–1988 Boys' name Peak 1988 11 births

Thaddaus — boys' name

11 babies named Thaddaus in U.S. Social Security records since 1979, with the highest year being 1988. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1970s51980s6
1980s
Peak decade

55% of everyone ever named Thaddaus was born in this single decade.

1988
Single peak year

6 babies were named Thaddaus in 1988 — its busiest year on record.

What the Data Says About Thaddaus

The Social Security Administration has registered 11 babies named Thaddaus between 1979 and 1988, spanning 10 consecutive years of U.S. birth records. As a boy's name, Thaddaus currently falls outside the top 1,000 boys' names for 1988. The name reached its historical peak in 1988, when 6 babies received it in a single year.

Decade-level aggregation shows that Thaddaus performed strongest in the 1980s, accumulating 6 births during that ten-year window. Across the 2 decades of recorded activity, Thaddaus shows a stable profile with only moderate drift from its peak decade.

No etymological entry is currently available for Thaddaus 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 11 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.

Thaddaus at a glance

Last recorded 1988

Total births

11

Since 1979

10 years of records

Peak year

1988

6 births that year

Strongest decade: 1980s

Current rank

Unranked

Outside the modern top-1,000

As of 1988

Active since

1979

Recorded for 10 years

Last year on file: 1988

Thaddaus popularity over time

Annual U.S. births registered with the Social Security Administration · 1988–1979

Last recorded 1988
Peak year (1988)
6
Annual births at peak — across 10 years of records
4.555.566.5 19881979 5

Thaddaus by decade

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

Peak: 1980s
Peak decade
1980s
6 births that decade — 55% of Thaddaus's all-time total
1970s51980s6

Frequently Asked Questions

How popular is the name Thaddaus?
11 babies have been named Thaddaus since 1979. It was last recorded in 1988. The peak year was 1988 with 6 births.
When was Thaddaus most popular?
Thaddaus was most popular in the 1980s decade with 6 total births. The single peak year was 1988.
How long has the name Thaddaus been used?
Thaddaus has been recorded in Social Security data since 1979, spanning 10 years of data through 1988.
What names are similar to Thaddaus?
Names with a similar sound or spelling include Thaddeus, Thad, Thatcher, Thane, 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, 1979–1988 (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.