Recorded 1988–1991 Girls' name Peak 1989 17 births

Cecilly — girls' name

17 babies named Cecilly in U.S. Social Security records since 1988, with the highest year being 1989. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1980s121990s5

The verdict

17 girls have been named Cecilly since 1988, peaking in the 1980s, last recorded in 1991.

17
total births
1988–1991
years on record
1980s
peak decade
71%
born in that decade
1980s
Peak decade

71% of everyone ever named Cecilly was born in this single decade.

1989
Single peak year

7 babies were named Cecilly in 1989 — its busiest year on record.

What the Data Says About Cecilly

The Social Security Administration has registered 17 babies named Cecilly between 1988 and 1991, spanning 4 consecutive years of U.S. birth records. As a girl's name, Cecilly currently falls outside the top 1,000 girls' names for 1991. The name reached its historical peak in 1989, when 7 babies received it in a single year.

Decade-level aggregation shows that Cecilly performed strongest in the 1980s, accumulating 12 births during that ten-year window. Across the 2 decades of recorded activity, Cecilly shows notable generational variation in parental adoption.

No etymological entry is currently available for Cecilly 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 17 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.

Cecilly at a glance

Last recorded 1991

Total births

17

Since 1988

4 years of records

Peak year

1989

7 births that year

Strongest decade: 1980s

Current rank

Unranked

Outside the modern top-1,000

As of 1991

Active since

1988

Recorded for 4 years

Last year on file: 1991

Cecilly popularity over time

Annual U.S. births registered with the Social Security Administration · 1991–1988

Last recorded 1991
Peak year (1989)
7
Annual births at peak — across 4 years of records
4.555.566.577.5 199119891988 5

Cecilly by decade

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

Peak: 1980s
Peak decade
1980s
12 births that decade — 71% of Cecilly's all-time total
1980s121990s5

Frequently Asked Questions

How popular is the name Cecilly?
17 babies have been named Cecilly since 1988. It was last recorded in 1991. The peak year was 1989 with 7 births.
When was Cecilly most popular?
Cecilly was most popular in the 1980s decade with 12 total births. The single peak year was 1989.
How long has the name Cecilly been used?
Cecilly has been recorded in Social Security data since 1988, spanning 4 years of data through 1991.
What names are similar to Cecilly?
Names with a similar sound or spelling include Cecilia, Cecelia, Cecile, Cecily, 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, 1988–1991 (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.