Some of the first settlers of this family name were:
Degrood Settlers in United States in the 20th Century
Elisabeth F. de Grood, aged 28, originally from Rotterdam, Holland, arrived in New York in 1921 aboard the ship "Nieuw Amsterdam" from Rotterdam, Netherlands1
Mary de Grood, aged 34, arrived in New York in 1921 aboard the ship "Ryndam" from Rotterdam, Netherlands1