Diane M. Mariniello peacefully passed away on March 30 2023 surrounded by her loving family. She was 80 years old. Born in Newark and raised in Belleville and Verona, NJ. Diane also lived in West Caldwell and Parsippany before settling in Montville for over 30 years. Mrs. Mariniello achieved her Master's degree in Special Education from Caldwell University. She was a dedicated teacher for over 25 years and taught Social Studies and Special Education in the Belleville and Newark Public School Systems. Diane is survived by her beloved husband Mosé Mariniello. Adoring mother to Gia (Mariniello) Albarelli of Boonton and Danielle (Mariniello) Pico and her husband Anthony of Parsippany. Affectionately known as Lala to her loving grandchildren D.J. and Anthony Pico Jr. She was predeceased by her brother Vincent Del Guercio. In her leisure, Diane spent time on vacation at the beach or at the pool, tanning, and reading. Above everything else, she was devoted to her family and especially enjoyed spending time with her grandchildren and attending all of their events. Funeral mass will be held on Tuesday April 4 at 10:00 am at St. Peter the Apostle RC Church, Parsippany. Repast to follow at Trovato's Due Restaurant at 4 Barbara Lane in Oakland, NJ. Cremation to follow privately. Due to the Lenten season please consider a memorial donation to St. Jude's in lieu of flowers.