From Greek 'katharos' meaning pure; classic spelling of Catherine.
Katharine is among the most enduring names in the Western canon, tracing its lineage to the Greek *Aikaterinē*, a name whose etymology has fascinated scholars for centuries. The most widely accepted derivation connects it to the Greek *katharos*, meaning pure or unsullied — a meaning that would prove extraordinarily apt given the name's long association with sainthood. Saint Catherine of Alexandria, the brilliant martyr-philosopher of the early fourth century who reportedly bested fifty pagan scholars in debate, made the name sacred throughout Christendom; the Catherine wheel of her martyrdom became one of the most recognizable symbols in Christian iconography.
The name spread across medieval Europe in dozens of variants — Catherine, Katherine, Katarzyna, Katarina, Ekaterina — carried by queens, saints, and scholars. Catherine of Aragon brought it to the English royal stage in the sixteenth century; Catherine the Great made it imperial in Russia in the eighteenth. The specific spelling *Katharine*, with its initial K and -ine ending, has a particularly aristocratic English feel and is most famously associated with Katharine Hepburn, the American actress whose forty-four-year career and four Academy Awards made her one of the defining cultural figures of the twentieth century.
Hepburn's combination of intelligence, independence, and unapologetic individuality gave the Katharine spelling a specific and lasting character. The name has never truly fallen from use — it sits in that rare category of names that are genuinely classic rather than merely old-fashioned, capable of feeling equally at home in a Victorian novel and a modern law firm. The Katharine spelling remains the less common variant, which gives it distinction within a crowded family of names, a small orthographic signal that the bearer has been given something considered rather than convenient.