Lief — boys' name
279 babies named Lief in U.S. Social Security records since 1948, with the highest year being 1999. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
24% of everyone ever named Lief was born in this single decade.
12 babies were named Lief in 1999 — its busiest year on record.
What the Data Says About Lief
The Social Security Administration has registered 279 babies named Lief between 1948 and 2023, spanning 76 consecutive years of U.S. birth records. As a boy's name, Lief currently falls outside the top 1,000 boys' names for 2023. The name reached its historical peak in 1999, when 12 babies received it in a single year.
Decade-level aggregation shows that Lief performed strongest in the 1970s, accumulating 66 births during that ten-year window. Across the 9 decades of recorded activity, Lief shows a clear decline from its mid-century high.
No etymological entry is currently available for Lief 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 279 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.
Lief at a glance
Last recorded 2023Peak year
Current rank
Active since
Lief popularity over time
Annual U.S. births registered with the Social Security Administration · 2023–1948
- Peak year (1999)
- 12
- Annual births at peak — across 76 years of records
No longer in the modern top-1000 — last recorded 2023.
279 total births across 76 years of SSA records. Peaked in 1999 with 12 births in a single year.
Lief by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 1970s
- 66 births that decade — 24% of Lief's all-time total
Lief decade highlights
- Peak decade 66 births
- Runner-up 46 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
1970s was Lief's strongest decade
66 babies received the name during that ten-year window — about 24% of all-time use.
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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, 1948–2023 (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.