I swan

[Barnhart]

This, of course, will not be found yet in DARE.  But, Wentworth treated
it in his American Dialect Dictionary.  He has cites from

Michigan
Connecticut
Wisconsin
Kansas
Indiana
Illinois
Iowa
(central, northern, and s.w.) New York
Nebraska
Arkansas
New Hampshire
Alabama
New England
Maine
West Virginia
Missouri
Texas.

Regards,
David K. Barnhart, Editor
The Barnhart Dictionary Companion [quarterly]
barnhart at highlands.com
www.highlands.com/Lexik

"Necessity obliges us to neologize."
Thomas Jefferson-August 16, 1813