Audrey A. Mertens of Kiel died Sunday morning May 24, 2026 at Sharon S. Richardson Community Hospice. She was born in the Town of Charlestown, daughter of the late Aloys and Leona (Meyers) Nisler. Audrey graduated from New Holstein High School.

On October 10, 1957 she was united in marriage to Hermes Steffen and he preceded her in death on March 8, 1968. Audrey still shares a close relationship with the Steffen family. On September 11, 1971 she was married to William Mertens at SS Peter and Paul Catholic Church, Kiel. After 50 years of marriage, William preceded her in death on August 1, 2021.

Audrey was a fixture in the banking community in Kiel. She began her career while in high school at People's State Bank, New Holstein. She later moved to Kiel and began working as a teller at State Bank of Kiel. After more than 40 years and a couple changes in name, Audrey retired from Citizen's Bank as the Branch President. During those years she was involved in many civic and community groups, serving as a board member or helping with their finances. She was active with the Cub Scouts and Boy Scouts especially the mom-son weekends at Camp Rokilio. Audrey was a member of SS Peter and Paul Catholic Church, Kiel. In her retirement, she volunteered as a driver for 10 years for the Kiel Senior Citizens.

Survivors include her children; Amy (Scott) Spielmann, Nick (Angie) Mertens, grandchildren; Robbie Spielmann, Amaya and Nolan Mertens, brother; Tom Nisler, sisters-in-law and brothers-in-law; Eileen (David) Walsdorf, Peter (Judy) Mertens along with many Godchildren, numerous nieces, nephews, cousins, other relatives and friends.

She was preceded in death by her parents, husband; William, her first husband; Hermes Steffen, brothers-in-law and sisters-in-law; Leander (Mary) Steffen, Randy (Lavern) Steffen, Genevieve (Alois) Heimann, Willy Steffen, Kenneth (Rosemary) Steffen, Allen (Sandy) Steffen, Celestine Steffen, Arlyn (Luann) Steffen.

Private family services were held and burial took place at SS Peter and Paul Catholic Cemetery.