Katie Nolan, 29, was one of three mountain climbers lost on Oregon’s Mount Hood on Dec. 11. Rescue teams found the body of Luke Gullberg but have not located Nolan or Anthony Vietti. The two are presumed dead and a memorial service was held for Nolan on Tuesday.

Nolan worked with teenage mothers, at-risks girls, and homeless women through Catholic Charities, according to press reports. She was pursuing a masters degree in social work at Portland State  University.

To read her obituary in the Seattle Times click here. KGW News Channel 8 in Portland also covered the memorial service. To watch, click here.