Recorded 1934–1941 Girls' name Peak 1934 19 births

Nancylou — girls' name

19 babies named Nancylou in U.S. Social Security records since 1934, with the highest year being 1934. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1930s81940s11
1940s
Peak decade

58% of everyone ever named Nancylou was born in this single decade.

1934
Single peak year

8 babies were named Nancylou in 1934 — its busiest year on record.

What the Data Says About Nancylou

The Social Security Administration has registered 19 babies named Nancylou between 1934 and 1941, spanning 8 consecutive years of U.S. birth records. As a girl's name, Nancylou currently falls outside the top 1,000 girls' names for 1941. The name reached its historical peak in 1934, when 8 babies received it in a single year.

Decade-level aggregation shows that Nancylou performed strongest in the 1940s, accumulating 11 births during that ten-year window. Across the 2 decades of recorded activity, Nancylou shows a stable profile with only moderate drift from its peak decade.

No etymological entry is currently available for Nancylou 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 19 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.

Nancylou at a glance

Last recorded 1941

Total births

19

Since 1934

8 years of records

Peak year

1934

8 births that year

Strongest decade: 1940s

Current rank

Unranked

Outside the modern top-1,000

As of 1941

Active since

1934

Recorded for 8 years

Last year on file: 1941

Nancylou popularity over time

Annual U.S. births registered with the Social Security Administration · 1941–1934

Last recorded 1941
Peak year (1934)
8
Annual births at peak — across 8 years of records
456789 194119401934 8

Nancylou by decade

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

Peak: 1940s
Peak decade
1940s
11 births that decade — 58% of Nancylou's all-time total
1930s81940s11

Frequently Asked Questions

How popular is the name Nancylou?
19 babies have been named Nancylou since 1934. It was last recorded in 1941. The peak year was 1934 with 8 births.
When was Nancylou most popular?
Nancylou was most popular in the 1940s decade with 11 total births. The single peak year was 1934.
How long has the name Nancylou been used?
Nancylou has been recorded in Social Security data since 1934, spanning 8 years of data through 1941.
What names are similar to Nancylou?
Names with a similar sound or spelling include Nancy, Nannie, Nanette, Nan, and 4 more. These share a common prefix and are also used for girls.

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, 1934–1941 (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.