Given name

Cecily

Cecily is a feminine given name from Latin.

Meaning & origin

Where it comes from

An origin associated with this spelling is Latin.

The story

Published U.S. birth records include this spelling as early as 1911. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Cecily through the years

Babies since 1880
8,673
0 boys · 8,673 girls
Most popular year
1989
472 babies
2025
137
#1,541 for girls
2021–25 vs 2016–20
−22%
Easing
0100200300192019401960198020002025Highest share 198985
Cecily in U.S. Social Security birth records, 1911–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

Where it’s given

Most at home inPennsylvania, Illinois, Arizona
FewerMore, relative to births Not published
2025 births by state of birth. Tiles are equal-sized so small states stay visible. Highest rates: Pennsylvania (10), Illinois (8), Arizona (5), New York (13), Ohio (7).

By the numbers

In 2025, this name appeared in 137 U.S. birth records for girls, ranking No. 1,541 among girls’ names. Average annual use for girls was 22.3% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 472 in 1989. In 2025, Texas had the largest reported state-level birth count for girls with this name (14). Published U.S. population figures for this spelling include 7,194 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Cecily’s family of names

Cecily has an affectionate form in Sissy. Cecily shares a linguistic root with Silja. Cecily has a related form in Cecilia.

Walk Cecily’s family in the name graph

CecilyCecilieCeciliaCicelyCecySilkeSissyCecieCecillySessyCecilyeCecilaSiljaSileSileasCécileCäciliaCäcilie

Inner ring: spellings · middle: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Around the world

Cecily has relatives in 3 languages. Lines run from its Latin roots to each of them.

EnglishLatin

5 related names in 3 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Spellings & scripts 1

The same name written differently, including transliterations into other scripts.

Across languages 7

Equivalents and cognates in other languages, plus older forms it grew from.

See also 1

Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.

Similar names

If you love Cecily, these share its style, era, origin or sound, from outside its own family.

Latin

Celina

“heaven”

53UncommonRising

>99% girls

Latin

Erica

“ever the ruler”

44UncommonCooling

>99% girls

Greek

Stephanie

“crowned in victory” · “crowned with garland”

58FamiliarCooling

>99% girls

Latin

Tiara

“one who is crowned”

39RareSteady

>99% girls

Latin · Literary

Emily

“rival”

85Very commonEasing

>99% girls

Latin · Saints

Serena

“having a peaceful disposition”

65FamiliarRising

>99% girls

Latin · Nature

Marissa

“woman of the sea”

42UncommonCooling

>99% girls

Latin

Larissa

“a lighthearted woman”

42UncommonEasing

>99% girls

Sibling ideas

Names that share Cecily’s feel without repeating its first letter or rhyming with it.

A brother for Cecily

A sister for Cecily