This study aimed to seek the meaning, source of Happiness, and unhappiness of the Islamic people of Melayu Kampar Riau. The subject of this research consists of 308 respondents who were affiliated with the people of Melayu Kampar. Data collection used an open-ended questionnaire. In the instrument, the researchers ask three questions: what are the meaning of Happiness, events which make the subject feel happy, and events which make the subject feel unhappy? The data were analyzed using the grounded theory approach, namely open coding, axial coding, and selective coding. The result shows that the meaning of Happiness for the community of Melayu Kampar consists of three components, affection, cognition, and spirituality. The resources of the happy community of Melayu Kampar are related to relationships (relationships) in the family, achievement, having children, religion, marriage, social life, and material. Meanwhile, the unhappiness sources are related to family conflicts, unpleasant relationships, illness, failure, loss, financial problems, and acts that violate religious values.