Sarah Guinan Nixon on board of Martha's Vineyard Horse Center:
http:// mvhorsecenter.org/board
"They own the Beach Plum, a Martha’s Vineyard favorite of the President and the First Lady, and another island restaurant, Home Port, where Teddy Diggs is chef."
https:// www.washingtonian.com/2012/01/23/sunday-supper-at-the-nixons-feast-for-a-cause/
Robert Nixon is Hollywood:
https:// en.wikipedia.org/wiki/Robert_Nixon_(filmmaker)
Their daughter is Mary Agnes (Maggie) Nixon:
http:// www.mvtimes.com/2012/08/08/noteworthy-events-marthas-vineyard-11866/
She rides horses in competition:
https:// www.mvtimes.com/2010/11/25/chilmark-3568/
AND SO DID MARIAH SUNSHINE COOGAN:
http:// useventing.com/news/theres-first-time-everything