Pickett

Of Norman origin, from the personal name Pic, here with the diminutive suffixes et or ot, and recorded as Picot, Pigot and Piket. The name is ultimately of Germanic derivation, from pic meaning "sharp" or "pointed", which was a common element in names meaning for instance, residence near a "pointed hill", use of a particular sharp or pointed tool or weapon, or a nickname for a tall, thin person.