What does Yitzhak mean?
Yitzhak is an uncommonly occurring first name for males. Yitzhak is an uncommon surname too for both adults and children. (2000 U.S. Census)
Displayed below is a comparison of the usage of Yitzhak and associated names. Isaac (#31 a year ago), Issac (#553), Zack, Zak, Isak, Isaak and Ike are the prominent alternative forms of Yitzhak (#unlisted). These boy names were at the apex of their popularity during 1880-1889 (usage of 0.4041%) and have become much less popular since (usage 0.2023%, down 49.9%), with the forms Zack, Isaak and Ike becoming less fashionable. Isaac (#31) and Issac (#553) are two of the more trendy names for newborns in this list, and there is a rekindling in baby name popularity for both names. (Top 1000 Birth Names Records, 2014)