Dennis J. Clancy passed away June 25, 2009 in Niagara Hospice House. Born November 16, 1933 in Bronx, NY he was the son of the late James T. and Eleanor (Six) Clancy. Dennis attended and graduated from Iona College, New Rochelle, NY earning his B.S. in Chemistry, St. John's University, Jamaica, NY earning his M.A. in Theology and the University of Notre Dame earning his M.S. in Chemistry and M.A. in both History and Philosophy of Science. From 1954 to 1971 as a member of the Congregation of Christian Brothers Dennis taught in five different high schools in Canada, New Jersey and New York teaching chemistry, I.P.S., physics and was acting as science department chairman. Dennis then taught from 1971 until his retirement in 1992 at Clarkstown Senior High School, West Nyack, NY teaching Chem Study Chemistry, Regents Chemistry and Regents Physics. While teaching he assisted in implementing the Chem Study Chemistry Program for accelerated science students. Dennis also insisted in initiating and implementing microcomputer usage in the teaching of science. He was the coach and assistant coach for the school Science Olympiad teams which reached the NY State Finals every year.

Dennis earned several awards throughout his teaching career such as in 1969 the Distinguished Chemistry Teacher of the Year, 1984 the Outstanding Science Teacher Award, 1991 the Excellence in Teaching Award and 1990 to 1992 he mentored a gentlemen who became a Westinghouse Science Talent Search Finalist in 1992. He was a member of the American Chemical Society, National Science Teachers Association and Project Seraphim, Chemistry Department with the University of Wisconsin. Dennis enjoyed photography, magic and was a computer "techie".

Dennis is survived by his loving wife Anne (McDonough) Clancy of Lockport whom he married March 4, 1972. He is also survived by his dear cousin Joseph T. Sandman; brother-in-law of Mary E. McCarthy, Edie (Michael) Moran, Sheila McDonough, Joan McDonough all of Lockport, Mary T. McDonough of Niagara Falls, Gerald (Beverly) McDonough and Thomas (Beverly) McDonough both of Lockport; also survived by several nieces and nephews.

Relatives and friends may call Wednesday 2-4 and 7-9 PM in Prudden & Kandt Funeral Home, 242 Genesee Street, Lockport where prayers will be offered Thursday at 10:30 AM followed by a Mass of Christian Burial at 11 AM to be celebrated in St. John the Baptist Roman Church, 168 Chestnut Street, Lockport. Inurnment will be in Cold Spring Cemetery. Memorials to Niagara Hospice, 4675 Sunset Drive, Lockport, NY 14094 or to St. John's Outreach Center, 168 Chestnut Street, Lockport, NY 14094 would be appreciated by the family. Please visit www.pruddenandkandt.com to leave the family an online condolence.

Visitation

Relatives and friends may call Wednesday 2-4 and 7-9 PM

Services

Mass of Christian Burial at 11 AM to be celebrated in St. John the Baptist Roman Church, 168 Chestnut Street, Lockport

Interment

Inurnment will be in Cold Spring Cemetery