Jacek Family History
Jacek Name Meaning
Polish: from the personal name Jacek a pet form of Jacenty (from Latin Hyacinthus Greek Hyakinthos; compare Spanish Jacinto Italian Giacinto ). The personal name was popularized in Poland through the cult of Saint Jacek a 13th-century apostle and missionary who was sent to Kraków where he established a Dominican friary. Slovak: from the personal name Jacek a pet form of Ján (see Jan ). Czech and Slovak (Jaček): from a pet form of any of the personal names beginning with Ja- for example Jakub .
Source: Dictionary of American Family Names 2nd edition, 2022