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Marlis Kay Costello

Marlis Kay (Marshall) Costello, age 71 of Alexandria, Minnesota, passed away on April 29, 2024, at the University of Minnesota Medical Center.

Visitation for Marlis Costello will be held Friday, May 10, 2024, from 11:00 a.m. until 1:00 p.m. with light refreshments taking place at Anderson Funeral Home in Alexandria, MN.

Memorial services for Marlis Kay Costello will be at 1:00 p.m. on Friday, May 10, 2024, at Anderson Funeral Home in Alexandria, MN.

Marlis Costello was born Marlis Kay Marshall on December 5, 1952 to Lyle and Theone (Tollefson) Marshall at St John’s Hospital in Huron, SD.  She grew up on a farm near Bonilla and graduated from Hitchcock High School in 1970.  Marlis attended Nurses training in Sioux City, Iowa and graduated with highest honors in 1973.  She was employed at St John’s Hospital, then became Director of Nursing at the Huron Nursing Home until she moved to Minnesota and worked in the Douglas County Hospital in Alexandria for over 30 years.

On July 6, 1973 she married Bill Costello. Together they enjoyed raising their two sons, Adam and Justin.  They formed many friendships wherever they lived.

She enjoyed her life near water in Minnesota and in Florida during the winter. Marlis liked reading, floating on her pontoon, fishing, gaming – especially Baldur’s Gate, watching her favorite TV shows, gardening, camping, quilting, cooking, and mostly visiting with friends and family.

She is survived by two sons: Adam (Bethaney) Costello of Fridley, MN, and Justin (Amanda) Costello of Camas, Washington; one precious granddaughter: Nora Jane Costello; her special friend: Grant Torfin; sister: Sandy (Roger) Kissner; brother: Jack (Midge) Marshall; sister-in-law: Cindy (Bill) Rittburger; brother-in-law: Jay (Tracy) Costello; uncle: Jack (Joyce) Harris; aunt: Jeaniene (Donald) Woodford; and many nieces, nephews, and cousins.

Marlis was preceded in death by her husband: Bill in 2012; her parents; two brothers: Ken and Larry; one niece: Sherri; her grandparents; many aunts, uncles, and cousins.


Arrangements are with Anderson Funeral Home in Alexandria, MN.