Philip Laurent Mercier, Ph.D., 86, formerly of Spartanburg, S.C., and Ramsey, N.J., died Feb. 14 at Vassar Brothers Medical Center in Poughkeepsie, N.Y.

He was born Oct. 3, 1926, in Baltic, the son of the late Philip and Marie Coet-Meur Mercier.

Mr. Mercier married Muriel Tetreault on Aug. 13, 1955, and they had five children together. Muriel passed away on Dec. 21, 1982, with her sister, Dr. Alice Tetreault, providing personal nursing care.

Dr. Tetreault was always close to her sister and family. Mr. Mercier and Dr. Tetreault wed on Aug. 10, 1985, and they spent many happy years in South Carolina.

Mr. Mercier's second wife died on June 16, 2011. Afterwards, he resided with his daughter, Jane, at her home.

Mr. Mercier served in the United States Navy during World War II.

He received a doctorate in chemistry from Brown University in 1955.

Mr. Mercier was employed as a polymer chemist for Tupperware in North Augusta, S.C., until his retirement.

He was a former parishioner at St. Paul's Church in Ramsey and Christ Our Risen Lord Church in Spartanburg.

During his retirement in Spartanburg, he volunteered at the local hospital and soup kitchen, and was very active in the community.

Mr. Mercier is survived by five children, Paula Cosgrove, and her husband, Michael, of Newtown; Jane Zuckerman, and her husband, Jon, of Hopewell Junction, N.Y.; Carl Mercier, and his wife, Linda, of New Milford; Louise Kessler, and her husband, Glenn, of Newtown; and Michael Mercier, and his wife, Winnie, of Folsom, Calif.; five grandchildren, Caitlin and Jessica Cosgrove, Marc and Paul Lake, and David Mercier; a sister, Theresa Gauthier, of Ridgefield; a sister-in-law, Dorothea Mercier, of Storrs; a goddaughter, Eileen Michaud, of Phoenixville, Pa.; and many nieces and nephews. In addition to his wives, he was predeceased by two brothers, Thomas Mercier and Joseph Raymond Mercier, and a brother-in-law, Fred Gauthier.

The McHoul Funeral Home in New York was in charge of arrangements.