Councilwoman Marytrine De Castro is a Registered Nurse licensed in the State of New Jersey and New York. She attended Franklin School and Kearny High School and is a graduate of Hudson County Community College and Bayonne School of Nursing. Marytrine is a member of the Portuguese Cultural Association of Kearny and attended the Kearny Portuguese School, officially known as Escola de Língua e Cultura Portuguesa de Kearny.
Councilwoman De Castro served as a member of the Kearny Environmental and Beautification Committee and the Board of Health. She was a volunteer for many years at West Hudson Hospital in Kearny and a volunteer coach in Kearny Recreation. Marytrine worked as a Hudson County Board of Elections District Board Worker and volunteered with the Kearny Democratic Party.
Councilwoman De Castro currently serves as a volunteer member of the Hudson County Family Part Juvenile Conference Committee and is an active member in several local service organizations including the Queen of Peace Home School Association and the Harrison Lions International. She has supported and volunteered in the Passaic River Clean-up, March of Dimes WalkAmerica, Breast Cancer Walk for the Cure and the Lupus Walk.
Councilwoman 1st Ward Marytrine De Castro has lived in the Town of Kearny for 43 years and has been a resident of the First Ward for the past 21 years.