Dorsey is a surname of English origin, derived from the Old French word 'dorse', which means 'from Dorset'. It is believed to have been brought to Britain by the Normans during the Norman Conquest in 1066. Over time, Dorsey has also been adopted as a given name for boys and girls alike.
The name Dorsey experienced varying popularity over the decades, with peaks in the early 20th century and a significant drop from the late 1950s onwards. The highest number of births recorded was 25 in 1931.