Isabel Bonilla, 89, of New Rochelle, NY went to be with the Lord, September 10, 2018, in Greenwich Hospital surrounded by her family. She was born on August 9, 1929 in Caguas, Puerto Rico, the daughter of late Teresa Lopez and Emilio Laboy. She was the second oldest of fifteen siblings. On February 4, 1972 she married Dario Bonilla, who survives. She worked as an airplane parts inspector for Teledyne Hydropower in New Rochelle, NY for over 10 years, where she was affectionately known to all as “Mamita”. Isabel was a member of the Graphic Communications Union Local 51 as well as, the International Union of Electrical Workers Local 475. She is survived by her daughter and son in law, Carmen Martinez and Felix Villaman; grandchildren Jessep Lopez, Lanya Falcicchio and Yanira Villaman; great-grandchildren, Marcus Rijos, Alyssa Lopez, and Isabella Falcicchio. Services will be held on Thursday September 13, 2018 at Lloyd Maxcy & Sons Beauchamp Chapel in New Rochelle, NY from 2-4 pm and 6-8 pm. Burial Mass will take place at Blessed Sacrament Church in New Rochelle, NY at 10:30 am with the burial to follow at Mount Hope Cementary in Hastings-on-Hudson, NY.