Meaning and name origin
Tibby \t(ib)-by\ as a girl's name is of Latin origin, and the meaning of Tibby is "the river Tiber". Tibby is a variant of Tiberia (Latin); place name: the river Tiber flows through Rome.
Tibby has 1 variant form: Tibbie.
Tibby is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is the baby name popularity of the name Tibby for girls. Tibby has not been ranked in the Top 1000/100 so far. (2014 statistics).
Tibby is also pronounced similarly to Tabbey, Tabbi, Tabby, Tobey and Toby▼. Other suggested similar baby names are Libby, Thoby and Tiffy. These names tend to be more commonly used than Tibby.