Tammy is a diminutive form of the English name Tamara, which originated from the Hebrew name Tamar, meaning 'palm tree' or 'date palm'. The name has been in use since the Middle Ages.
In some cultures, Tammy is considered a playful and affectionate nickname for women with the full name Tamara, while in others it's seen as a standalone given name with its own unique significance.
People named Tammy are often perceived as charming, adaptable, and warm-hearted individuals who excel in social situations and have a strong sense of empathy.
The name Tammy has remained relatively popular over the years, particularly in informal settings like friends and family circles, although its usage has declined slightly in recent decades.