Beverley Jean (Mason) Sinclair was born August 6, 1937 in Winner, SD, the daughter of Earl and Libby (Kotrba) Mason. She grew up in Winner, attending Winner schools and graduating from Winner High School in 1956.
During her school years Bev was involved in many activities including band, cheerleading, homecoming princess, school plays, and gymnastics. After graduation Bev attended the University of South Dakota for a semester before transferring to Nettleton Business College and completing a secretarial degree.
Returning to Winner she was employed by Ranchers National Bank (now First Fidelity) in Winner for a few years.
In 1963 she and Douglas Sinclair were married in Winner and a daughter Tera was born in 1965. Shortly after her birth the family moved to Dodge City, KS, and son Troy was born in 1967.
The family then moved to Huron, SD and son Trent was born there in 1971. Bev returned to Winner in 1978 and worked as the secretary for the Tripp County States Attorney. She later worked at Pamida until her retirement.
Bev was always happy to be a part of the Winner community. She made friends easily, enjoyed local conversations, loved to play cards and have coffee with friends, and watch her grandchildren and great nieces and nephew grow. She was a devoted mother. She was a past member of the ESA and Jobs Daughters.
Bev’s health began to decline several years ago and she became a resident of Elder Inn. Recently severe health problems developed requiring surgery in Sioux Falls from which she was unable to recover. Bev passed away peacefully on Sunday evening August 2, 2015 at the age of 77 years.