Participant recruitment is one of the most significant challenges in research on intellectual disability (ID). One potential solution is to develop a participant contact registry, which allows the researcher to contact participants directly rather than recruiting through multiple schools or service agencies. The authors describe the development of one such registry and results of a survey of registry families. Results suggest that families joined the registry to help others, they hope research in the ID field improves the daily lives of individuals with ID and their families, and they find research participation to be a positive experience. However, logistic concerns can be an important barrier to their research participation, and they would like more information about the research study both before and after participating.