What does Inniss mean?
Inniss \i-nni-ss\ as a boys' name. Inniss' name origins are Scottish and Gaelic, and the meaning of the name Inniss is "island". Inniss is a variation of Innes (Scottish, Gaelic): place name from inis.
Inniss is an uncommonly occurring first name for men but a very prominent last name for both adults and children (#22505 out of 150436, Top 15%). (2000 U.S. Census)
Ennis is the only popular related form of Inniss (#unlisted). Adoption of these boy names was at its highest during 1880-1889 (usage of 0.227%) and has become much less since, with Ennis becoming less stylish. Shown below is a comparison of the usage of Inniss and related names. (Top 1000 Birth Names Records, 2014)
Inniss is pronounced similarly to Enneiss. Like Inniss, this name is not frequently used.