Cathryn is a girl's name of Greek origin meaning “Pure, clear; Greek variant of Catherine meaning "pure one".” With 2 syllables, it is short and easy to say. Common nicknames include Cat. As of 2026, Cathryn ranks #933 among girls' names in the United States and has held a steady level of popularity. Its highest US ranking was #217 in 1883.
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KATH-rin
Phonetic spelling
Currently #933 among US baby names.
* Based on US Social Security Administration birth-registration data
Cathryn means “Pure, clear; Greek variant of Catherine meaning "pure one".” It is a girl's name of Greek origin.
Cathryn is pronounced KATH-rin.
Cathryn is most commonly used as a girl's name.
Cathryn currently ranks #933 among girls' names in the United States.
Popular nicknames for Cathryn include Cat.
Middle names that pair well with Cathryn include Cathryn Rose, Cathryn Grace, Cathryn Marie, Cathryn Jane.
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