Total births
17
Girls' name · since 1988
Cecilly
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.
- 17
- total births
- 1988–1991
- years on record
- 1980s
- peak decade
- 71%
- born in that decade
Cecilly is not among the current top-ranked girls names; 17 have been recorded since 1988.
Cecilly has 17 recorded births among girls since 1988, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1980s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1988 to 1991.
- 17 total births
- 1988–1991 years on record
- 1980s peak decade
- 71% born in that decade
Data updated Jul 2026
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.
Cecilly's usage pattern, beyond the headline number
Divide Cecilly's SSA record in two at 1989 and the more recent half accounts for 71% of all births, the earlier half the remaining 29%, consistent with a name still gaining ground rather than fading. Its calmest year was 1988, with only 5 births recorded -- set against the 1989 peak of 7, that's the full swing in one name's fortunes.
Cecilly at a glance
Last recorded 1991Peak year
1989
Current rank
Unranked
Active since
1988
Cecilly popularity over time
Annual U.S. births registered with the Social Security Administration · 1988–1991
- Peak year (1989)
- 7
- Annual births at peak, across 4 years of records
Cecilly by decade
Total births in each ten-year window, peak vs trough at a glance
1980s was Cecilly's strongest decade.
12 babies received the name during that ten-year window, about 71% of all-time use.
Cecilly births by decade
Total births in each ten-year window
- 1980s
1980s
12 births
- 1990s
1990s
5 births
What this shows Peak: 1980s at 12 births (71% of all-time use).
Frequently Asked Questions
How popular is the name Cecilly? ▼
Cecilly has been given to 17 babies in the U.S. since 1988, according to SSA data. Its last appearance in the data was 1991. 7 babies were born in 1989, its single highest year.
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? ▼
Records for Cecilly go back to 1988, giving 4 years of history 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.
What to do with Cecilly's data
- Cecilly's usage has stayed within range of its 1980s decade-level peak (12 total births) through the 1990s (5) -- a comparatively stable name, not a fading trend.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Cecilly
Nearby Names Like Cecilly
Names with a similar sound, spelling, or feel to Cecilly
Cecilia Girl
#123 111,511 births
Cecelia Girl
#570 60,519 births
Cecile Girl
#5616 20,421 births
Cecily Girl
#1602 8,673 births
Cecil Girl
7,687 births
Compare Cecilly side by side: Cecilly vs Cecilia Cecilly vs Cecelia Cecilly vs Cecile
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, 1988–1991 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Cecilly: Baby Name Since 1988 - 17 Births, Peak 1989." NameAlmanac. Accessed via https://namealmanac.com/name/cecilly. 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 Cecilly 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.