HENDERSON, ROBERT M. Robert M. Henderson, a resident of Yonkers for sixty two years, died October 5, 2005, at St. John's Riverside Hospital in Yonkers, NY. He was 80 years old. Mr. Robert M. Henderson was born February 19, 1925, in the Bronx, NY, to Robert and Alva Henderson. Mr. Henderson worked at Irving Trust Company and he retired as a salesman. A Graveside Service and interment was held on October 12, 2005 at Woodlawn Cemetery in the Bronx, NY.