Sierra Ann Giese, age 21 of Markesan, passed away on Sunday, October 6, 2024.

A memorial gathering for Sierra will take place on Saturday, October 26, 2024 at St. Paul's Ev. Lutheran Church, W3377 Main St., Manchester, from 9:00 a.m. until the time of the memorial service at 12:00 p.m. Inurnment will follow at Markesan Memorial Cemetery.

Sierra was born in Beaver Dam on March 1, 2003, the daughter of Trina (Kirchoff) and Craig Giese, Jr. She was a 2021 graduate of Markesan High School and a 2024 graduate of the Automotive Technician program at Moraine Park Technical College. She was currently managing the O'Reilly Auto Parts store in Columbus. She was an avid truck puller and loved traveling to compete. Sierra also enjoyed hunting, fishing, and shopping.

Sierra is survived by her boyfriend, Isaac Schwoch; parents, Trina and Craig Giese, Jr.; sister, Cassi (Sean Schlosser) Giese; aunts and uncles, Sue (Kevin) Beske, Tim (Linda) Giese, and Michelle (Jamie Kedley) Giese; cousins, Seth Beske and Theo Kedley Giese; grandparents, Charlie and Kathy Schindel, and Sue Giese; great-grandma, Myrtle Giese; and further survived by other relatives and many friends.

She was preceded in death by her paternal grandparents, Claudia and Craig Giese, Sr., her beloved dog, Meg; and other relatives.

The family asks that you dress as Sierra would have liked to see you – casual.

Cornerstone Funeral & Cremation Services in Markesan is honored to be serving the family.