This current research drives at identifying the nature of resources of psychological stress, and finding out the relationship between economical, social, personal and psychological stress in those adolescents with unknown parents in residential facilities. The research sample consists of (30) unknown parentage adolescents residents in Rescuing Childhood Institution, aged from (14-17 yrs. olds). The study uses a primary data collection form designed by the researcher, Scale of Illegitimate Children Psychological Stress in Residential Facilities (by researchers), and an Open Questionnaire (by researchers). Results indicate a positive correlation exists between economic stress and psychological stress among the unknown parentage adolescents in sheltering institutions. There is also a positive correlation between social stress and psychological stress and a positive correlation between personal and psychological stress among illegitimate adolescents lodged in residential facilities.