Total births
19
Girls' name · since 1934
Nancylou
Since 1934, U.S. Social Security records show 19 babies named Nancylou, peaking in 1934. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 19
- total births
- 1934–1941
- years on record
- 1940s
- peak decade
- 58%
- born in that decade
Nancylou is not among the current top-ranked girls names; 19 have been recorded since 1934.
According to the U.S. Social Security Administration, Nancylou has been recorded 19 times among girls since 1934, though it is not among the currently most-used girls names, with its heaviest use in the 1940s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1934 to 1941.
- 19 total births
- 1934–1941 years on record
- 1940s peak decade
- 58% born in that decade
Data updated Jul 2026
The verdict
19 girls have been named Nancylou since 1934, peaking in the 1940s, last recorded in 1941.
- 19
- total births
- 1934–1941
- years on record
- 1940s
- peak decade
- 58%
- born in that decade
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.
Nancylou's usage pattern, beyond the headline number
Nancylou splits its recorded history at 1940: 58% of all births land in the more recent half, 42% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1941 (5 births) -- compare that against the 1934 peak of 8 for a sense of just how much the name's popularity has swung.
Nancylou at a glance
Last recorded 1941Peak year
1934
Current rank
Unranked
Active since
1934
Nancylou popularity over time
Annual U.S. births registered with the Social Security Administration · 1934–1941
- Peak year (1934)
- 8
- Annual births at peak, across 8 years of records
Nancylou by decade
Total births in each ten-year window, peak vs trough at a glance
1940s was Nancylou's strongest decade.
11 babies received the name during that ten-year window, about 58% of all-time use.
Nancylou births by decade
Total births in each ten-year window
- 1930s
1930s
8 births
- 1940s
1940s
11 births
What this shows Peak: 1940s at 11 births (58% of all-time use).
Frequently Asked Questions
How popular is the name Nancylou? ▼
Since 1934, Social Security records show 19 babies named Nancylou. The most recent recorded year was 1941. Its busiest year on record 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? ▼
Records for Nancylou go back to 1934, giving 8 years of history 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.
Keep exploring Nancylou
Nearby Names Like Nancylou
Names with a similar sound, spelling, or feel to Nancylou
Nancy Girl
#914 1,004,448 births
Nannie Girl
25,560 births
Nanette Girl
16,894 births
Nan Girl
10,274 births
Nanci Girl
6,474 births
Compare Nancylou side by side: Nancylou vs Nancy Nancylou vs Nannie Nancylou vs Nanette
Related Names
Names with a similar number of total births
Data Sources
Data as of July 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1934–1941 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Nancylou: Baby Name Since 1934 - 19 Births, Peak 1934." NameAlmanac. Accessed via https://namealmanac.com/name/nancylou. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Nancylou draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.