STEFFANIE L. COONLEY Nov. 16, 1951 – May 30, 2026

Steffanie L. Coonley of Golden passed away at home May 30, 2026, while under hospice care for illness. She was born Nov. 16, 1951 in Omaha, Nebraska to Robert and Phyllis Coonley.

She grew up in Minnesota and graduated from Colorado State University in 1974. She earned a Master’s degree from the University of New Mexico in 1984. She worked for Los Alamos National Laboratory 26 years as a technical writer, manager of the science museum redesign, and group leader for land use planning.

Steffanie is survived by her husband, Jeffery Pederson; daughter Kelsey Bell (Jose); son Jay Pederson (Angela); son Zachary Brody (Miranda); brother Douglas Coonley (Suzanne); and sister Meredith Sue Coonley (Art Bridge). She and Jeff have seven grandchildren.

A celebration of life will be held July 24 at 11 a.m. at Common Flame Unitarian Congregation in Golden.