Francis E. Kelly, Jr., a retired Probation Officer of Dorchester District Court, died suddenly at his home in Quincy on Thursday, May 20, 2010. He was 70 years old.

The son of the late Massachusetts Attorney General Francis E. Kelly and his wife Marion G. Kelly, Mr. Kelly was born  in Cambridge, and spent many years at the family homes in Dorchester and in Hull.

He attended St. Gregory’s Grammar School in Dorchester and then St. John’s Preparatory School, and received his undergraduate degree from Boston College.  He later earned his Bachelor of Laws degree from Suffolk University Law School.

For many years until his retirement in 2009, he was an assistant in the Probation Office of Dorchester District Court, where he was noted for his cheerful disposition and his hard work.

He is survived by his beloved companion of many years, Mary O’Donnell, also of Quincy, and by his sister Marion K. Daley, of Needham, along with three nieces and one nephew.

A Mass of Christian Burial will be celebrated at St. John the Baptist Church, 44 School Street, Quincy, Tuesday, May 25, at 10:00 AM. Relatives and friends invited. Visiting hours at Dolan Funeral Home, 460 Granite Avenue, MILTON, Monday 4-7 PM. Interment Saint Joseph Cemetery, West Roxbury.