Its source is berht, an Ancient Germanic name meaning "Brilliant."
Birdie is also a diminutive form of the common English word ''bird,'' and some children may acquire Birdie as an affectionate nickname based on a sweet-sounding voice or some other bird-like attribute.
The name Birdie ranked 1083rd in popularity for females of all ages in a sample of the 1990 US Census.
Though this name has fluctuated in use, it has been quietly present throughout the last century.
Brilliance is a recurring name idea, as shown in this name as well as Clara, Helen and a form of the Chinese name Ming.
The breadth of the idea can best be understood by studying the pictogram that represents the Chinese name. It shows the sun with the moon reflecting its light, and stands not only for brightness and clarity, but also for understanding, aptitude and fame.