Cassie
Meaning
diminutive of Cassandra (possibly kekasmai "to excel, to surpass" with aner "man")
Famously borne by Cassie Sharpe, the Canadian Olympic halfpipe freeskiing champion.
The formal names behind Cassie
Cassie is an established short form of each of these names.
Cassandra · Greek origin · possibly Greek kekasmai "to excel, to surpass" with aner "man"; the Trojan prophetess
Cassidy · Irish origin · surname Ó Caiside, traditionally "curly-haired"
Cassie's name family
One shared root links 4 names across 2 languages.
Shared root: the Trojan prophetess Kassandra; possibly kekasmai "to excel, to surpass" with aner "man", the derivation debated
The constellation
More branches
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Cassie peaked in the 1980s and the 2010s in nearly equal measure.
See popularity in Brazil
Popularity in Brazil
87 people · the #45,476 first name in Brazil · median age 32
Among people named Cassie living in Brazil at the 2022 census, more were born in the 1980s than in any other decade.
Source: IBGE, Censo Demográfico 2022
When you meet Cassie
Most people given the name Cassie in the United States were born between 1980 and 1999. The Cassie you meet today is most often in her 30s or 40s.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Cassie deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Cassie truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Cassie fits with your family’s names and surname.
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