Various services for older people in order to make them live in happiness should keep to develop. This research tried to find out whether or not role of religious activity on older people’s life happiness. Religious activity included religious knowledge and religious acts. Life happiness included affect and satisfaction on life. This research will benefit if it is found proper service in older people to achieve life happiness. Sample was randomly obtained from praying groups in five villages and four regencies and one city of Special Province of Yogyakarta. It was expected to be able to describe condition in older people at Special Province of Yogyakarta. Using questionnaire and scale delivered individually, it was obtained data on level activity and religious knowledge and happiness from 131 older women. Quantitative data analysis used canonic correlation, it will be obtained separated or joint correlation between two independent and dependent variable. Conclusion of this research was that there was significant role level of activity and happiness and there was significant roel between religious knowledge level and happiness. As well as it could be concluded that axctive older women in religious activity were happier than those that has inactive religious activity.