Klover is a modern American respelling of Clover, the English plant name whose four-leaf form stands for "good luck"; the word itself comes from the Old English clafre. The K-spelling follows the trend set by names like Kinsley and Khloe. Klover was unheard of in 2000 and has shot up from number 6863 in 2015 to number 1178 in 2025, its best rank so far.