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. A name for kids that is not commonly used.
Inniss is an uncommonly occurring first name for men but a very prominent last name for both adults and children (#13749 out of 88799, Top 15%). (2000 U.S. Census)
Ennis is the only popular related form of Inniss (#unlisted). Adoption of this boy name was at its highest during the years 1880-1889 and has become much less since, with the form 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.