What's in a name? Well, every name has a meaning, and they supposedly influence the so named.
Does this apply to the Spice Girls? Let's look. . .

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Melanie Jayne Chisholm

Melanie : Melanie is used in English, Dutch, and German. It stems from a Greek word
meaning "Dark-Complected" or "Black". The name Melanie was 188th in popularity in the 1990 US Census.

Jayne : Jayne is used in the English language. It's source is Yochana, a Hebrew name
meaning "God's Grace". The name Jayne/Jane was 77th in popularity in the 1990 US Census.

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Melanie Janine Brown

Melanie : Melanie is used in English, Dutch, and German. It stems from a Greek word
meaning "Dark-Complected" or "Black". The name Melanie was 188th in popularity in the 1990 US Census.

Janine : Janine is used in the French and English language. It is a form of Jane,
which means "God's Grace". Janine was 600th in popularity in the 1990 US Census.

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Emma Lee Bunton

Emma : Emma is used in German, Dutch, English, Italian, French, Spanish and Polish. It stems
from Irmen, which means "Universal". The name Emma was 134th in popularity in the 1990 US Census.

Lee : Lee is used in the English language. It's source is an Old English expression meaning "Meadow".
The name Lee was 341st in popularity in the 1990 US Census.

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Victoria Caroline Addams

Victoria : Victoria is used in English, Spanish, Norwegian, Swedish and Danish. It comes from a Latin expression meaning
"Victory". The name Victoria was 116th in popularity in the 1990 US Census.

Caroline : Caroline is used in Dutch, English, and French. It's source is an ancient Germanic word meaning "Freeholder".
The name Caroline was 248th in popularity in the 1990 US Census.