Former Port Arthur Mayor Oscar Ortiz is being remembered as a dedicated public servant, businessman and loving family man. Ortiz, 90, died Thursday. He served as mayor from the mid 1990s to 2007. His family issued a statement: It is with deep sadness that the Ortiz family announces the passing of The Honorable Oscar G. Ortiz, former Mayor of Port Arthur, devoted husband, father, grandfather, veteran, businessman, and lifelong public servant. Osc…