The purpose of this study was to examine the influence of philanthropic education before adulthood and religiosity on intention to volunteer and mediating effects of social responsibility on this relation. Research data was collected from 1,059 Christians affiliated to Protestant churches in Seoul-Kyunggi province. This study adopted structural equation modeling. The result indicated that philanthropic education had direct effect on intention to volunteer, but there were no indirect effect mediated by social responsibility. On the other hand, religiosity had no direct effect on intention to volunteer but it had indirect effect mediated by social responsibility. Though philanthropic education before adulthood and religiosity both had the significant effect on intention to volunteer, the pathways were different. Based on these results, the implication of this study and future research tasks were discussed.