Tristan Taylor (Rosenau) Demas, 24, of Gillette passed away August 3, 2020. She was born on July 1, 1996 in Gillette, WY to Jonathan Rosenau and Lana (Balcom) Plato both of Gillette. Tristan graduated from Westwood High School in 2016. Tristan married Nathaniel (Nate) Demas on July 7, 2017 and became a loving stepmother to Nate’s son Isaiah. Tristan was also a loving and caring aunt to her niece Aspyn Rosenau and two nephews Cooper and Camden Rosenau. In her life, Tristan was always outgoing. She loved art and was aspiring to be a tattoo artist. Being outdoors and on her Harley was her serenity. She loved to laugh and make other people laugh. Tristan had a big heart. She loved as wide as the sky and as deep as the Grand Canyon. Her dog Sunny (Sunflower) was her best friend. Her family meant the world to her. She treated her stepson Isaiah as if he were her own. Tristan and Nate’s marriage was short but it was everlasting in their hearts. Tristan left a lasting impression on everyone that she met. Survivors include her husband Nathaniel Demas and stepson Isaiah; mother Lana Plato and stepdad Doug Dicus; father Jonathan Rosenau and stepmom Lacey Bradford; her siblings, Weston (Valerie) Rosenau, Austin (Autumn) Rosenau, Kirstyn (Steven) Bowker, Jonnaye Rosenau, Maddison Rosenau, Hannah Rosenau, Abigail Bradford, and Trinity Schiefer; grandparents Mark (Alice) McKenzie, and Rachel Rosenau. As well as many, many other beloved aunts, uncles, and cousins. She was preceded in death by grandfathers Wes Balcom and Albert Rosenau, and Uncle Jeff Rosenau. Please join us for her services. There will be a viewing for the public on August 6, 2020 from 4 p.m.- 6 p.m. at Gillette Memorial Chapel. Funeral services will be held at Gillette Memorial Chapel at 11 a.m. on Friday August 7, 2020. Memorials and condolences may be sent in Tristan’s name to Gillette Memorial Chapel 210 W. 5th Street, Gillette, WY 82716. Condolences may also be expressed at www.gillettememorialchapel.com