About the name Evstati / Eustathius
Etymology & meaning
Evstati comes from the Greek Εὐστάθιος — "steadfast, firm", from εὖ ("well") and ἵστημι ("to stand"): "he who stands well, the unshakeable". Bulgarian also uses Evstatiy and the rare feminine Evstatiya.
History & patron saint
The patron is Saint Eustathius, Archbishop of Antioch (21 February) — a defender of Orthodoxy at the First Council of Nicaea against Arianism, who ended his life in exile for his firmness. A second memory honours the Great Martyr Eustathius Placidas in autumn.
Traditions & customs
The name day is a winter one kept in a close circle — a home table and toasts "to be as firm as your name". Clerical families also keep the autumn memory.
Popularity & notable bearers
Evstati is a rare, old name known from Revival figures and clergy; today it survives mainly in the surname Evstatiev.