The name Jewett is of English origin, derived from the occupational surname 'Jewet', which was used to indicate a maker of jewels or precious stones. It is composed of two elements: 'jewel' and '-et', an agent suffix indicating occupation. This name has been present in England since at least the 14th century, with early records including 'John Jewet' in the Hundred Rolls of 1273. Over time, it has evolved into a given name as well, used for both boys and girls.
The name Jewett experienced fluctuations in popularity throughout the years, with the highest number of births recorded in 1922 (12 births) and the lowest in 1912 (5 births). The total number of births named Jewett over this period was 176.