Meaning and name origin
Izaac is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Izaac and its variant forms. Popular variation forms ranked in the Top 1000/100 are Isaac (#31), Issac (#553), Isak and Isaak. (2014 statistics).
A suggested similar baby name is Izsak. Like Izaac, this name is not commonly used.