Family name Wincy (Wincy 
) , worldwide, is a rare cognomen. The last name Wincy is habitual in Taiwan, where it is a rare surname, Hong Kong, and Colombia, where it is a very rare surname. In absolute terms, the name is most common in Taiwan, Hong Kong, and Indonesia. More prevalently, Wincy is the forename as well as the last name.
Li, Khow, Kwok, Poon, John, Tang, Fung, Wang, Wong, Cheng, Chung, Leung, Togba, Tsang, Yeung, Mathew, Cheung, Rivera, Joseph, Thomas, Walker, Wilson, Khaw, Kong, Chui, Chow, Lo, Ng, Ho, Ip, Wu, Yu, Mak, Sin, Lau, Lam, Herrera, Lai, Lee, Liu, Lui, Tan, Tam, Tse, Ong, Wan, Chan, Chak, Law, and Varghese