Warren Brown (August 11, 1836 – September 19, 1919) was an American politician, historian, gentleman farmer, businessman, and author from Hampton Falls, New Hampshire.

His farm included orchards, salt marsh, dairy cattle, sheep and gardens sufficient to maintain his family and the employees for whom he provided room and board.

Brown was a true native son, descended from many of the original settlers of the New Hampshire Seacoast Region, and very interested in his town's history.

This new home, called Sunnyside, was designed by his beloved wife Sarah Gertrude; architectural plans were drawn for her by a Mr. Bruce of Newburyport, Massachusetts.

Its unique presence in a town of mainly colonial styled architecture, its resemblance to The Addams Family house and the years between owners when it was vacant, have perhaps helped to make it the source of speculation by locals and newcomers alike.

In truth, his wife Sarah, a woman of innovation and industry, designed Sunnyside to be a practical and beautiful home where the couple could entertain in style and operate their large estate with efficiently.

His volumes chronicling the history of Hampton Falls have continued to be invaluable resources for genealogists, historians, and related fields.