Definition of "Shawn"

Two weeks later Dot and her girl, who was finally named Shawn, like most girls born that year, came back to work at the scales.

1984, Louise Erdrich, Love Medicine, Bantam Books, published 1987, page 169

Or take Sean, S-E-A-N. Been spelled like that for about five hundred years. But not them, they've gotta spell it S-H-A-W-N. Like they have a right to that name in the first place.

1996, Tobias Wolff, The Night in Question: Stories, Alfred A. Knopf, page 141