Yokum chaired the boards of the Peninsula Retail Merchants Association and Peninsula Family Services and served on the boards of the USO of Hampton Roads and the Virginia Air and Space Center. She also served on community services boards and on the boards of state and national credit union associations. She served on the board of the Defense Credit Union Council (DCUC) for 20 years and was its chair. She received the Virginia Credit Union League's James P. Kirsch Lifetime Achievement Award in 2010. She was inducted into the DCUC Hall of Honor in 2013. She owned over 1000 pairs of shoes.
