Cecily Girl

How popular is Cecily?

#1,540 girl name in 2025

137 baby girls were named Cecily in the US in 2025, making it the 1540th most popular girl name.

Compare with other names
8,043living people named Cecily (est.)
32median age of people named Cecily
8,673babies named Cecily since 1880
1 in 24,200US babies born in 2025

Cecily popularity over time

0250500 18801900192019401960198020002020
Rank in 2025#1,540 for girls (▲ 58 from 2024)
Babies in 2025137 girls
10-year trendFalling (-36% babies vs 2015)
Earlier ranks#1,175 in 2015, #1,593 in 2020
Peak year1989 (472 girls)
Highest rank#497 in 1989
First recorded1911
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.1% in a class of 25 kids born in 2025

Cecily counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Cecily family of names ranked #1,232 for girls in 2025 (#1,311 the year before), with 145 babies in all.

SpellingGirls in 2025Share
Cecily 137 94%
Cecilie 8 6%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Cecily is most popular

Babies named Cecily per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. Ohio: 0.1 per 1,000 (35 girls)
  2. Pennsylvania: 0.1 per 1,000 (31 girls)
  3. Illinois: 0.1 per 1,000 (26 girls)
  4. New York: 0.1 per 1,000 (44 girls)
  5. Massachusetts: 0.1 per 1,000 (13 girls)

Cecily by decade

DecadeBaby girlsBest rank
1910s31#2,463
1920s117#2,168
1930s168#1,480
1940s287#1,249
1950s483#1,314
1960s425#1,519
1970s882#950
1980s1,288#497
1990s1,582#574
2000s1,009#1,743
2010s1,633#1,061
2020s768#1,540

Girl names about as popular as Cecily

Questions

Is Cecily a boy or girl name?
Cecily is mostly a girl name. Over the last 10 years, 100% of babies named Cecily were girls.
How popular is the name Cecily?
137 baby girls were named Cecily in the US in 2025, making it the 1540th most popular girl name.
When was Cecily most popular?
Cecily peaked in 1989, when 472 girls were given the name. Its highest rank was #497 in 1989.
How many people are named Cecily?
8,673 babies have been named Cecily in the US since 1880. We estimate about 8,043 of them are alive in 2026, with a median age of 32.
Where is Cecily most popular?
From 2021 to 2025, Cecily was most common in Ohio, at 0.1 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.