Popsugar Parenting Cats Most Popular Cat Names 2018 Meow! These Were the 100 Most Popular Cat Names of 2018 10 December 2018 by Alessia Santoro View On One Page Photo 8 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Hermione Ariel Diamond Olivia Ophelia Poppy Penelope/Penny Rhubarb Dahlia Layla/Leila Previous Next Start Slideshow Cats