What does Issac mean?
Issac /is-sac/ [2 sylls.] as a boys' name. Issac's name origin is Hebrew, and Issac means "laughter". Issac is an alternate form of Isaac (Hebrew). Compare last name Issak.
How popular is Issac?
Issac is a somewhat popular first name for males (#698 out of 1220, Top 57%) and an even more popular last name for both adults and children (#21124 out of 150436, Top 14%). (2000 U.S. Census)
Presented below is the baby name popularity of Issac for boys. Issac reached its peak position of #376 in the U.S. in 2008, and is currently at #553. (2014 Birth Statistics)
Popular related forms of Issac (#553 in 2014) appearing in the Top 1000 are Isaac (#31 in 2014), Zack, Zak, Isak, Isaak and Ike. Variants like Ikie are seldom used. Usage of these boy names was at its highest during the years 1880-1889 (usage of 0.4041%) and has become significantly less since (usage 0.2023%, down 49.9%), with the versions Zack, Isaak and Ike becoming less trendy. Isaac (#31) and Issac (#553) are two of the more chic baby names in this list, and there is also a rekindling in birth name usage for both names. Shown below is an analysis of the usage of Issac and associated names. (2014 Birth Statistics)