He was the beloved son of the late Peter and Laura (Cook) Drenas.
Drenas is survived by his two sisters, Dorothy Dotalo and her husband James of Naples, Fl; and Patricia Maguire and her husband James of Winston Salem, NC.
He also leaves and will be very much missed by his children Charles Drenas Jr of NH; Darlene Webster and her husband Justin of Hopkinton; Jonathan Drenas and his fiancée Shannon of CA; Jason McIntyre of Marlboro; and his four granddaughters Tamara, Amanda, Lindsay and Lilly.
He also survived by numerous cousins, nieces, nephews and friends.
Relatives and friends are kindly invited to his funeral Mass on Tuesday, March 7, 2017 at 10 a.m., St. Tarcisius Church, 562 Waverly St. (Rt. 135), Framingham.
Burial will follow at St. Tarcisius Cemetery in Framingham.
In lieu of flowers, donations in his memory can be made to Dana-Farber Cancer Institute, P.O. Box 849168, Boston, MA 02284-9168