Rosa P. Cummings of Chatham died peacefully on June 15, 2010, at Pine Haven Nursing and Rehabilitation Center in Philmont, NY. Mrs. Cummings was born on November 2, 1911, in Arena, WI, the daughter of the late Rev. Joseph C. and Rosa Moss Peters.  She and her mother graduated together from Spring Valley High School in 1929, and Mrs. Cummings received her Bachelors degree in Secondary Mathematics from The New York State Teachers College in Albany.  She went on to earn a Masters degree in Mathematical Statistics from Harvard University.  She taught high school math in Averill Park, NY. On June 26, 1943, she married her husband of 66 years, the late Dr. Harold J. Cummings, at Spring Valley, NY.  They moved to the Chatham area in the late 1940's, where they raised their family and were involved in many community activities. Mrs. Cummings was a member of the First Reformed Church of Chatham for over 50 years, having served as treasurer and one of the first deaconesses.  She was a member and officer in the former Chatham Women's Club and the Columbia County Lung Association.  For many years, she served as treasurer on the Board of Directors of the Louis F. Payn Foundation in Chatham. Mrs. Cummings was the beloved mother and grandmother of a son, Steven  Cummings and his wife, Dianna, of Greenfield, IN; a daughter, Nancy Hammell and her husband, Art, of Old Chatham; five grandchildren, Christa Cummings, and Courtney Eddy and her husband, Brian, of Greenfield, IN, Ryan Cummings and his wife, Monica, of South Bend, IN, Mark Hammell and his wife, DeLynn, of Union City, CA, and Carrie Torrey and her husband, Adam, of Gainesville, FL; and a great-grandson, Matthew Cummings of South Bend, IN.  Along with her husband, she is pre-deceased by a great-granddaughter, Addison Cummings. In lieu of flowers, the family requests donations in Mrs. Cummings' memory to the Chatham Public Library, 11 Woodbridge Ave., Chatham, NY 12037, or CCSTA Scholarship, Chatham Central School, Attn: Judy Matthews, 51 Woodbridge Ave., Chatham, NY 12037. Family will receive friends Saturday June 19th from 10 to 11am at the French, Gifford, Preiter and Blasl funeral home, 25 Railroad Avenue, Chatham. Religious services will follow directly at the funeral home; interment will take place at the Chatham Rural cemetery. For directions or to send an online condolence, visit www.frenchblasl.com.