Nancy J. DeHaven, 75, Wausau, passed away peacefully on Friday, February 27, 2026 at Rennes Health and Rehab Center in Weston, under the care of Aspirus at Home Hospice.
She was born on July 24, 1950 in Wausau to Arnold and Marie (Newman) Pergalski. Nancy worked as an administrative assistant for many insurance companies and banks in the area. Among her favorite pastimes, she loved to watch TV, especially game shows.
Survivors include her son, Greg DeHaven; sister, Carol (Duane) Gau; three grandchildren, Vince, Vanessa and Valerie; her great-grandchildren; nieces, Julie Perry, Kim Pergalski and Tina Kleist; nephew, Kevin Pergalski; and sister-in-law, Doreen Pergalski.
She was preceded in death by her parents; Arnold and Marie; brother, James Pergalski; and sister, Barbiera Pergalski.
Private burial will take place at Restlawn Memorial Park in Wausau.
Online condolences may be expressed at www.petersonkraemer.com
To plant trees in memory, please visit the Sympathy Store.

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