Cooky Sirico was born Helaine F. Tobias on 2 February 1948 She first became a Delron in 1969 when Mary O'Leary stopped performing live. Originally known by the mononym Cooky, in November 1971 she married the group's bass player Joe Sirico (born 29 November 1946) and took his name. When the live group became inactive in 1973, Cooky became a secretary at a brokerage stock cage. Cooky rejoined the group when they reformed as a part-time project in 1978 and performed with them for the next 22 years until they disbanded in 2000. Cooky and Joe continue to perform in the tri-state area in the oldies groups The BeBops, Johnny and the Raybands, and Just Friends. Cooky also performs with The Remnants and with Witness, and Joe plays with the Brooklyn Keys. Cooky and Joe have two adult daughters, Jackie and Stephanie.