one in a million

Also, one in a thousand or billion . Extraordinary, rare, as in She's the kindest soul-she's one in a million, or This ring is one in a thousand. All these terms are hyperbolic.

Common Names:

Name	Pronounced	Usage
WilmǢR	-	Anglo-Saxon
Leuthar	-	Ancient Germanic
Iokaste	-	Greek Mythology
Gallagher	GAL-ə-gər	Irish, English (Rare)
Jillian	['dʒiliən]
Kelley	KEL-ee	English