She married Richard Manley Johnson on April 28, 1951. Together they have two surviving children, Betty Ann and Richard.
Isabell found great joy in her family, and especially enjoyed the gathering of family for Sunday dinner at her house.
Isabell is survived by children, Betty Ann McNeal of Granville Summit, Richard (Lisa) Johnson of Milford Ohio; daughter-in law, Denise Johnson of Chula Vista, California; Grandchildren, Marie and Michelle McNeal, Richelle Spiak, Rachel Seeberger, Rebecca Monoskie, Robin Aoki, Robert, Tina, Linda Ann, and Joey Johnson; great-grandchildren, Madison McNeal-Buchanan, Felicia and Kevin Young, Jacob, Matthew, and Austin Seeberger, Justin, Rachel, and Gaven Frey, Derek and Elizabeth Johnson, Thomas Burdick, and Finn Aoki.