Gennett is of German origin, derived from the Germanic elements "gans," meaning "goose," and "-et," a diminutive suffix. It was originally given as a nickname to someone thought to resemble a goose in some way, perhaps due to their appearance or behavior. The name gained popularity in England during the Middle Ages, introduced by German settlers and merchants. Today, Gennett is considered a rare but unique given name, bearing a touch of historical charm and distinctiveness.
The name Gennett experienced fluctuations in popularity over the years, with peaks in the 1920s and early 1940s, and a decline from the mid-1940s onwards. The highest number of births recorded was seven, which occurred on three separate occasions (1927, 1941, and 1950). Despite these fluctuations, the name Gennett has seen a total of 83 births across the given years.