The name Terrance ranked 431st in popularity for males of all ages in a sample of 2000-2003 Social Security Administration statistics and 294th in popularity for males 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.
This was the name of one of the two great comic poets of ancient Rome. (The other was Plautus.) Terence was known for the wit and sophistication of his plays.