Susan R. Siegenthaler passed away unexpectedly surrounded by loved ones on Sunday, December 7, 2025, at the age of 41. Susan was a Mount Pleasant Community High School graduate. She would go on to attend Edgewood College, which brought her to her new home in Wisconsin. This also led Susan to working at Kessler’s Diamonds. She had a gift of connecting with people, often helping them through their special moments in life.

Family was of utmost importance to Susan, marrying Kiel on June 24, 2017. Her and Kiel complimented one another in their lives, keeping them grounded and balanced.

Susan went through a heart transplant 3 years ago, which offered her a new lease on life, giving her more time with her family. This especially gave her time to bond with her daughter. Susan also bonded with her close friends, sharing a love of music and fighting their hardships together.

Susan was known to be caring, showing a keen interest in others, often helping whenever she could lend a hand. She was outgoing, with a love of music, attending various festivals, concerts and shows.

Susan is survived by her husband Kiel and the light of her life, their daughter Stevie. Susan is further survived by her parents Aesook Septer and Michael (Stacey), brother George (Chelsie) Septer, father-in-law Ralph Siegenthaler, and numerous aunts, uncles, nieces, nephews, cousins, and close friends.

Preceded in death by her mother-in-law Nancy Siegenthaler.

A Celebration of Life for Susan will be held on Saturday, December 20, 2025, from 11:00am until 3:00pm at the Cambridge Winery, 600 Kenseth Way Cambridge, Wisconsin.