Meaning and history
Gilbert means "bright pledge," from Old German gisal, "pledge" or "hostage," and beraht, "bright." Introduced to England by the Normans, it was common in the Middle Ages and was borne by a 12th-century English saint who founded the Gilbertine order.
Gilbert rose from #980 to #958 for boys between 2015 and 2016. Its highest annual birth count came in 1930, with 2,119 births.