Meaning and name origin
Winny \wi(n)-ny\ as a girl's name is of Welsh origin, and the meaning of Winny is "fair and smooth; happiness; fair, pure". Winny is a variant of Guinevere (Welsh): an early form of Jennifer. Also a variant of Gwyneth (Welsh): from "gwynaeth". Winny is also used as a variant of Wynne (Welsh).
Winny is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Winny is also pronounced similarly to Anny, Wanna and Wina. Other suggested similar baby names are Binny, Cinny, Dinny, Ginny, Jinny, Minny, Sinny, Vinny, Win, Windy, Winne and Wynn. These names tend to be more commonly used than Winny.