what does the name libby
Meanings and history of the name Libby : | Edit. Traditionally, Libby is an English short form of Elizabeth or Elisabeth, meaning God's promise. It can also be short for Isabel, Liberty, Lydia, Libertad, and Olivia. Increasingly, it is being used as an independent name, especially in England.raditionally, Libby is an English short form of Elizabeth or Elisabeth, meaning God's promise. It can also be short for Isabel, Liberty, Lydia, Libertad, and Olivia. Increasingly, it is being used as an independent name, especially in England.