Meaning Tammy is an English name that has a meaning from the Hebrew Tamar of 'date tree' or 'palm tree'. It also mens 'sweet'. Origin of Tammy Hebrew +-100%Zoom level changed to 1 Popular Middle Names Dianne, Elizabeth, Mae Pronunciation 🔊 Listen Tammy TAE-miy Similar Names Tamara Tamia Tamee Tamar Tamiya Tamarah Tamra Tema Lunah Tameshia Year by Year Popularity of Tammy