Monday — girls' name
35 babies named Monday in U.S. Social Security records since 1966, with the highest year being 1970. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
37% of everyone ever named Monday was born in this single decade.
8 babies were named Monday in 1970 — its busiest year on record.
What the Data Says About Monday
The Social Security Administration has registered 35 babies named Monday between 1966 and 2020, spanning 55 consecutive years of U.S. birth records. As a girl's name, Monday currently falls outside the top 1,000 girls' names for 2020. The name reached its historical peak in 1970, when 8 babies received it in a single year.
Decade-level aggregation shows that Monday performed strongest in the 1970s, accumulating 13 births during that ten-year window. Across the 4 decades of recorded activity, Monday shows notable generational variation in parental adoption.
No etymological entry is currently available for Monday 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 35 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.
Monday at a glance
Last recorded 2020Peak year
Current rank
Active since
Monday popularity over time
Annual U.S. births registered with the Social Security Administration · 2020–1966
- Peak year (1970)
- 8
- Annual births at peak — across 55 years of records
No longer in the modern top-1000 — last recorded 2020.
35 total births across 55 years of SSA records. Peaked in 1970 with 8 births in a single year.
Monday by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 1970s
- 13 births that decade — 37% of Monday's all-time total
Monday decade highlights
- Peak decade 13 births
- Runner-up 11 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
1970s was Monday's strongest decade
13 babies received the name during that ten-year window — about 37% 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, 1966–2020 (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.