More info about the name "Abby"
Abby is a diminutive of Abigail. Abigail originates in Hebrew language and means "my father's delight". Abigail is a figure of importance in the Hebrew Bible. She was King David's wife, wise and beautiful, and a great prophetess. Over centuries, it has always been one of the most popular feminine names. In the English-speaking countries, it became more prominent after the Protestant Reformation.