Recorded 1947–1955 Unisex name Peak 1947 15 births

Dayl — unisex name

15 babies named Dayl in U.S. Social Security records since 1947, with the highest year being 1947. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1940s101950s5

The verdict

15 girls have been named Dayl since 1947, peaking in the 1940s, last recorded in 1955.

15
total births
1947–1955
years on record
1940s
peak decade
67%
born in that decade
1940s
Peak decade

67% of everyone ever named Dayl was born in this single decade.

1947
Single peak year

5 babies were named Dayl in 1947 — its busiest year on record.

What the Data Says About Dayl

The Social Security Administration has registered 15 babies named Dayl between 1947 and 1955, spanning 9 consecutive years of U.S. birth records. As a girl's name, Dayl currently falls outside the top 1,000 girls' names for 1955. The name reached its historical peak in 1947, when 5 babies received it in a single year. Dayl is classified as unisex in SSA records: the opposite-sex variant accounts for 5 additional births since 1954.

Decade-level aggregation shows that Dayl performed strongest in the 1940s, accumulating 10 births during that ten-year window. Across the 2 decades of recorded activity, Dayl shows notable generational variation in parental adoption.

No etymological entry is currently available for Dayl 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 15 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.

Dayl at a glance

Last recorded 1955

Total births

15

Since 1947

9 years of records

Peak year

1947

5 births that year

Strongest decade: 1940s

Current rank

Unranked

Outside the modern top-1,000

As of 1955

Active since

1947

Recorded for 9 years

Last year on file: 1955

Dayl popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 1955–1947

Last recorded 1955
Peak year (1947)
5
Annual births at peak — across 9 years of records
5 195519481947 5

Dayl popularity over time — boys

5 total births recorded since 1954 (Dayl as boys' name)

Unisex variant — 5 births
5 1954 5

Dayl by decade

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

Peak: 1940s
Peak decade
1940s
10 births that decade — 67% of Dayl's all-time total
1940s101950s5

Frequently Asked Questions

How popular is the name Dayl?
15 babies have been named Dayl since 1947. It was last recorded in 1955. The peak year was 1947 with 5 births.
When was Dayl most popular?
Dayl was most popular in the 1940s decade with 10 total births. The single peak year was 1947.
Is Dayl a unisex name?
Yes, Dayl is used for both boys and girls. As a girl's name it has 15 births, and as a boy's name it has 5 births.
How long has the name Dayl been used?
Dayl has been recorded in Social Security data since 1947, spanning 9 years of data through 1955.
What names are similar to Dayl?
Names with a similar sound or spelling include Dayana, Dayna, Dayanara, Dayanna, 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, 1947–1955 (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.