Objectives: This article presents the validation of the 28-item Child and Youth Resilience Measure (CYRM-28) among two Canadian samples of youth with complex needs. Method: The CYRM-28 was administered to two groups of concurrent service using youth in Atlantic Canada (n1 = 497; n2 = 410) allowing for use of exploratory and confirmatory factor analysis. Results: Reproducibility agreement is achieved and subscales of the measure are confirmed and show adequate psychometric properties. Conclusions: Findings add support to the CYRM-28 as a reliable and valid self-report instrument that measures three components of resilience processes in the lives of complex needs youth. Advanced statistical modeling yielded evidence that the scale, originally developed for use in various countries, can be used to assess resilience in youth from various ethnocultural backgrounds in Atlantic Canada.