MallowbyNames

Cassie

KASS-ee · Diminutive of Cassandra, meaning 'shining upon man' or 'prophetess', but also used independently as a given name.

2025 rank (girls)
#1,279
Babies named in 2025
175
Peak popularity
1982
2025 frequency
1 in 9,184 girls
Usually for
Girls
Trend
Declining since 1985

Declining since 1985, #1,279 for girls today.

Popularity of Cassie since 1880

Babies named Cassie per year in U.S. Social Security records.

7311.5k2.2k1880192019602000Most births 1982Girls
Data table (by decade)
DecadeGirls
1880s485
1890s792
1900s815
1910s1,422
1920s1,401
1930s794
1940s863
1950s1,203
1960s1,547
1970s4,343
1980s15,759
1990s9,445
2000s4,654
2010s2,012
2020s1,107

Meaning & origin

Cassie began appearing in U.S. birth records as early as 1880, but its popularity surged dramatically in the late 20th century, peaking in 1982 as the name reached its highest rank. Since 1985, its usage has been steadily falling, reflecting a broader shift away from nickname-style given names. In its peak decade of the 1980s, Cassie was particularly favored in New Mexico, Arkansas, and Utah, states that often embrace softer, diminutive girl names. Today, Cassie remains a recognizable and friendly choice, though it is much less common than in its 1980s heyday, when it was a staple for girls across the United States.

Cassie originated as a pet form of Cassandra, a name from Greek mythology. Cassandra was a Trojan princess cursed to utter true prophecies that no one believed. The name Cassandra itself is of uncertain etymology, often derived from Greek 'kekasmai' (to excel) and 'aner' (man), giving the meaning 'shining upon man'. Cassie gained independent use as a given name in the English-speaking world in the 19th century, becoming especially popular in the United States during the 1980s.

Where Cassie is most popular

Births per 100,000 girls by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.

2020s
Fewermore per 100k girlstoo few births

Cassie” around the world

Where Cassie lands in the latest official birth statistics abroad, matched to the U.S. spelling.

  • France

    215

    babies in 2024

  • Ireland

    29

    babies in 2025

  • Quebec

    8

    babies in 2025

Sources: INSEE (France) · CSO Ireland (Ireland) · Retraite Québec (Quebec).

Nicknames & variants

Variants: Cassy, Kassie, Kacey, Cassidy

Sibling names for Cassie

Names that share Cassie's style, for a brother or sister.

Names like Cassie

Names whose popularity has moved with Cassie's over the last 50 years.

A parent animal hugging its little one, the personalized name page

C is for Cassie, our favorite little girl.

C is for Cassie…”

In a Mallowby alphabet book, Cassie's letter becomes Cassie's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Cassie's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Cassie mean?
Cassie is typically a diminutive of Cassandra, a name from Greek mythology meaning 'shining upon man' or 'prophetess'.
How popular is Cassie today?
As of 2025, Cassie ranked 1279th in the United States, with approximately 1 in 9,184 newborn girls given the name.
Is Cassie a boy or girl name?
Cassie is almost exclusively used as a girl's name.