From Greek 'stephanos' meaning crown or wreath; the name of the first Christian martyr.
Stephan is the Germanic and Scandinavian rendering of a name with deep classical roots: the Greek Stephanos, meaning "crown" or "wreath," from stephein, to encircle or wreathe. The name was borne early and conspicuously by Saint Stephen, recognized in Christian tradition as the first martyr, whose stoning is recorded in the Acts of the Apostles. That association gave the name immediate currency across the Christian world, and it spread through Europe in dozens of phonetic variations — Étienne in French, Esteban in Spanish, István in Hungarian, Stefano in Italian — each a regional refraction of the same crowned original.
The Stephan spelling, without the middle e of the English Stephen, carries a particular Continental gravity. It was the name of kings: Stephen I of Hungary, who Christianized his nation and was later canonized; King Stephen of England, whose reign in the twelfth century was defined by civil war. It belonged to poets and philosophers across central Europe and appeared frequently in the Germanic intellectual tradition.
James Joyce gave the name its most famous literary weight through Stephen Dedalus, the autobiographical protagonist of "A Portrait of the Artist as a Young Man" and "Ulysses," a figure whose very surname invokes the mythological craftsman who built wings to escape captivity. Today, Stephan sits at a slight remove from the common Stephen — recognizable, classical, but slightly more formal in its continental dress. It appeals to families with German, Swedish, or Eastern European roots, and to those who want a name that is classical without being ubiquitous.