The Marcys have gone on mission twice with FMS. From 2004 to 2006, they served at the San Pedro Parish Medical Clinic in Sacaba, Bolivia where Cecilia was a nurse and Tim was a pharmacist and worked with children.
From 2009 to 2012 they served at the St. Francis Care Centre in Johannesburg, South Africa. Tim worked in the center’s outpatient facility and ministered to the homebound.
Cecilia worked as a nurse at the hospice for patients with HIV or AIDS.