From Scottish Gaelic Gille Easbaig meaning 'servant of the bishop.'
Gillespie comes from Scottish Gaelic Gille Easbaig, meaning servant of the bishop. That structure makes its religious history explicit, joining personal identity to ecclesiastical service in a way that is typical of many older Scottish surnames.
As a later given name, it retains that flavor of office, heritage, and regional specificity. The name feels substantial and unmistakably Scottish, with a rolling cadence that gives it personality even when used outside its original surname role. Because it is longer and more elaborate than many surnames turned first names, Gillespie sounds almost story-like.
It can suggest ancestry, family memory, and institutional seriousness all at once. That makes it distinctive in modern use: rare, dignified, and deeply rooted in a particular cultural landscape.