St.Sebastian Church, Udayamperoor, is one of the ancient Church under the Diocese of Ernakulam, which was established in 1893 by the bifurcation of Ernakulam and our is the most ancient Diocese of the Syro-Malabar Church. The people of Udayamperoor, mainly in business or service sectors, belong to middle or upper-middle class families. They maintain strong family ties and hold spiritual and traditional values in high esteem. Udayamperoor is one of those areas in Kerala with high concentration of Christian population majority being Syro-Malabar Catholics.