Eugenius, the name of four Popes. E., St., I., Pope from 654 to 658 (festival, August 27); E. II., Pope from 824 to 827; E. III., Pope from 1145 to 1153; E. IV., Pope from 1431 to 1447.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Eugénie, ex-Empress of the French * Eugenius IV.