Billyjack — boys' name
79 babies named Billyjack in U.S. Social Security records since 1972, with the highest year being 1979. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
66% of everyone ever named Billyjack was born in this single decade.
9 babies were named Billyjack in 1979 — its busiest year on record.
What the Data Says About Billyjack
The Social Security Administration has registered 79 babies named Billyjack between 1972 and 1994, spanning 23 consecutive years of U.S. birth records. As a boy's name, Billyjack currently falls outside the top 1,000 boys' names for 1994. The name reached its historical peak in 1979, when 9 babies received it in a single year.
Decade-level aggregation shows that Billyjack performed strongest in the 1970s, accumulating 52 births during that ten-year window. Across the 3 decades of recorded activity, Billyjack shows a clear decline from its mid-century high.
No etymological entry is currently available for Billyjack 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 79 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.
Billyjack at a glance
Last recorded 1994Peak year
Current rank
Active since
Billyjack popularity over time
Annual U.S. births registered with the Social Security Administration · 1994–1972
- Peak year (1979)
- 9
- Annual births at peak — across 23 years of records
No longer in the modern top-1000 — last recorded 1994.
79 total births across 23 years of SSA records. Peaked in 1979 with 9 births in a single year.
Billyjack by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 1970s
- 52 births that decade — 66% of Billyjack's all-time total
Billyjack decade highlights
- Peak decade 52 births
- Runner-up 16 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
1970s was Billyjack's strongest decade
52 babies received the name during that ten-year window — about 66% of all-time use.
Frequently Asked Questions
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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, 1972–1994 (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.