Shears is a name that was brought to England by the ancestors of the Shears family when they emigrated following the Norman Conquest of 1066. The name Shears comes from the Norman given name Essira.
Secondly, what does the surname shears mean?
This is a patronymic i.e. “the son of Shear”, a complimentary personal nickname deriving from the medieval English “scher” or “schir” itself coming from the Olde English pre 7th Century “scir” meaning “bright” or “fair” and originally given as a nickname to a person of radiant beauty or one with fair shining hair.