Haynes
Usually a surname from the personal name Hain/Hayne, though some English bearers may come from place-names in Bedfordshire or Devon.
The #366 most common surname in the United States (2010 Census) — about 1 in every 3,591 Americans shares it.
Etymology
Haynes is generally explained as a patronymic form of the medieval personal name Hain or Hayne, with the -s ending meaning “son of” or “belonging to.” Some 19th-century writers also allowed a place-name origin for a few families, especially from English local names such as Haynes in Bedfordshire or related forms in Devon. The personal name itself is treated in older scholarship as a short form ultimately connected with continental Germanic names such as Heinrich, though this is not always certain in every line.
History
The surname appears in medieval records in several spellings, including Hain, Haines, Hayn, Hayne, and Haynes. English surname writers noted both baptismal and locational examples, so the name may have different origins in different families. It became a well-established English surname and later spread widely in Britain and the United States.
Origin
Regions
Variant spellings
Fun fact
Older surname books explicitly grouped Haynes with Haines and treated the name as one of several medieval forms built around the personal name Hain.
From the historical record
“irbjr's Qaest, p. 160. (a) Local, ' of Haynes,' ■ parish in the dioc. of Ely. 1581. Married-I^irclvBl Arcbboll and Sbhui He)mei : St.Uar7Aldermaiy,p. 7.”
— A Dictionary of English and Welsh Surnames, with special American instances