Jo Ann M. Bitter (née Stoffle), age 80, late of Orland Park. Beloved wife of the late John J. Bitter; devoted mother of John (Dawn) Bitter and Janel (fiancé Rick Gerencir) Bitter; proud grandmother of Brady and Jillian; loving sister-in-law of Richard (Madalyn) Bitter and Marianne Bitter; kind aunt of Andrea, Rick, and Matt. Jo Ann was a licensed cosmetologist with many years of dedicated service. Services and Interment private.