Diminutive of Theodore (Greek 'gift of God') or Edward (Old English 'wealthy guardian').
Teddie is a pet form that hovers beautifully between two great names — Theodore, from the Greek *Theodoros* meaning "gift of God" (*theos*, God + *doron*, gift), and Edward, from the Old English *Eadweard* meaning "wealthy guardian" (*ead*, wealth + *weard*, guardian). Both parent names have produced the diminutive Ted or Teddy across centuries of English use, and Teddie — with its softer, more whimsical spelling — has historically leaned feminine while the plainer Teddy reads more masculine, though both have crossed freely in either direction. The name's most potent cultural imprint comes through Theodore Roosevelt, the 26th President of the United States, whose nickname Teddy became so culturally embedded that the stuffed bear toy — created in 1902 after a cartoon showed Roosevelt refusing to shoot a tied bear on a hunting trip — bears his name to this day.
The teddy bear made Teddy/Teddie one of the warmest, most tactile names in the English language, permanently associated with childhood comfort and beloved companions. In Britain, Teddie and Teddy maintained a genteel, aristocratic flavor well into the 20th century. Teddie as an independent given name, particularly for girls, has enjoyed quiet appeal throughout the 20th century and beyond, sitting in the tradition of boyish-turned-charming feminine names like Billie, Frankie, and Bobbie.
It carries an irresistible combination of softness and spunk — a name that suggests both vulnerability and capability. As gender-neutral naming continues its modern ascent, Teddie is precisely the kind of name that parents are rediscovering: historically grounded, immediately warm, and impossible to dislike.