Spanish form of Caspar, traditionally one of the Three Magi; from Persian meaning 'treasure bearer.'
Gaspar belongs to one of history's most romantic naming traditions: the Three Magi. While the Gospel of Matthew mentions only unnamed "wise men from the East" who followed a star to Bethlehem, Christian tradition gradually assigned them names — Gaspar (or Caspar), Melchior, and Balthasar — which first appeared in a Greek manuscript around the sixth century. The name Gaspar is thought by some scholars to derive from the Persian Gathaspar, possibly meaning "treasurer," fitting for a bearer of precious gifts.
Others trace it through Chaldean roots. The ambiguity only deepens its mystique. Gaspar became a beloved saint's name across Catholic Europe, particularly in Spain, Portugal, Central Europe, and Latin America, where the feast of the Epiphany (Three Kings Day, January 6th) remains a major celebration.
In the Netherlands, the variant Caspar gave rise to the familiar Casper, including the fictional "friendly ghost" of American popular culture — a decidedly unexpected legacy for a name of such ancient gravitas. The Spanish composer Gaspar Sanz and various European nobles and clerics carried the name through the Renaissance and Baroque periods. Today Gaspar is rare enough in English-speaking countries to feel genuinely distinctive, yet its Iberian and Latin American usage keeps it from feeling invented. It carries an air of ancient stargazing mystery, a name for a child who might grow up to navigate by unusual lights.