Ronnie Mario Mattison passed away unexpectantly on Tuesday, June 30, 2015. He was preceeded in death by his father, Ronald P. Mattison in 2013. He is survived by his loving mother, JoAnn DeSalvo Mattison of Marrero, his brother Frank J. Mattison of Cypress, California and his niece and nephew Natalie and Jacob Mattison. Ronnie will be dearly missed by his family and friends. He graduated from John Ehret High School, also from EMT school with Acadian Ambulance Service. Relatives and friends of the family are invited to attend a Memorial Services from the Chapel of Westside/Leitz-Eagan Funeral Home 5101 Westbank Expressway, Marrero, LA on Saturday, July 18, 2015 at 12:00 Noon. Followed by interment in Westlawn Cemetery, Gretna, LA. Visitation will begin at 11:00 AM until Services. Condolences can be offered at www.westsideleitzeagan.com. Information 504-341-9421