Funeral services for Tracey Pickrell Mavis, 44, of Greenfield, will be Saturday at 11 am at the United Methodist Church in Greenfield.  A luncheon will be held at the church following the services.  Visitation with the family present will be Friday from 4 pm to 7 pm at the Steen Funeral Home in Greenfield.  Memorials to the Tracey Mavis Memorial Fund to be established by the family at a later date.  Online condolences may be left for the family at steenfunerals.com.  Survivors include:  Husband, Dallas Mavis.  Sons, Steven Pickrell and Sterling Pickrell.  Step-son Dallas Mavis, Jr. of Denver, Colorado.  Mother, Sharon Pickrell of Greeley, Colorado.  Father, Larry Pickrell of Greeley, Colorado.  2 step-grandchildren.  Brother, Troy Pickrell of Evans, Colorado.