Diminutive of Elizabeth, from Hebrew 'Elisheva' meaning God is my oath.
Libbie is an affectionate diminutive of Elizabeth, itself derived from the Hebrew Elisheba, meaning "my God is an oath" or "my God is abundance." Elizabeth has ranked among the most enduring names in Western history, carried by queens, saints, and empresses — which makes Libbie its warmer, more intimate shadow, the name reserved for the parlor rather than the throne room. The name enjoyed particular warmth in 19th-century America, where nickname-names were treated as full given names in their own right.
Perhaps the most celebrated bearer was Elizabeth "Libbie" Bacon Custer, wife of General George Armstrong Custer, who survived her husband by 57 years and spent decades fiercely guarding and promoting his legacy through her memoirs. Her energy and longevity gave the name a certain tenacious, independent quality. By the early 20th century, Libbie began fading as parents trended toward formal names, though Elizabeth itself never faltered.
Today Libbie sits in rare, vintage territory — familiar enough to be approachable, uncommon enough to feel distinctive. It carries the warmth of a grandmother's parlor with none of the fussiness, a name that feels simultaneously old-fashioned and quietly fresh.