Caroline is a perennial classic, one of the elite group of girls' names that's ALWAYS ranked among the Top 1000 and that's been in the Top 100 since 1994. Elegant yet strong, Caroline calls to mind the Kennedy Camelot years and Princess Caroline of Monaco.
 Caroline went to England in 1705 with King George II's wife, the German Queen Caroline of Ansbach, and then George IV married another German Caroline in 1795. 
 
In the US, Caroline has been a First Lady name via President Benjamin Harrison and was the name of one of the famous First Daughters, Caroline Kennedy. 
 
Jane Austen named one of her less pleasant characters in Pride and Prejudice Caroline, and the name was also borne by Lady Caroline Lamb, the mistress of the poet Lord Byron, as well as the mother of the Little House on the Prairie brood.
 The song "Sweet Caroline" was a huge soft-rock hit for Neil Diamond in 1969, inspired by then-eleven-year-old Caroline Kennedy (for whom he sang it at her fiftieth birthday party).
 Carolina is the more feminine (and place name) version, as opposed to the newer form Carolyn, which forces the pronunciation of the final syllable to rhyme with win and spin. Though Caroline can be pronounced that way, it's more usually pronounced to rhyme with wine and fine.

Caroline

The quirky, offbeat and energetic botanical name Ivy is enjoying a deserved revival, propelled even higher by its choice by high-profile parents Beyonce and Jay-Z for daughter Blue Ivy. Ivy is also traditionally used at Christmas, make this one of the perfect <a href="https://nameberry.com/list/577/names-for-december-babies">names for December babies</a>.
 Ivy is derived from the name of the ivy plant, which got its name from the Old English word ifig. Ancient Greeks presented an ivy wreath to newlyweds as a symbol of fidelity. In the language of flowers, Ivy signifies faithfulness.
 British novelist Ivy Compton-Burnett is a notable namesake and Ivy Baker Priest served as U.S. Secretary of Treasury. Another association is the prestigious Ivy League. 
Ivy has been a favorite of scriptwriters—she's appeared on everything from 90210 to Gossip Girl, Dollhouse to Downton Abbey, and is the name of a 1970's American Girl doll.

Sadie started as a nickname for Sarah, but their images couldn't be more disparate. Where Sarah is serious and sweet, Sadie is full of sass and fun.
 Sadie has been soaring in popularity recently. Its last heyday was a century ago. She's been chosen by celebrities including Adam Sandler and Christina Applegate for their daughters.

 In popular culture, there's Somerset Maugham's Sadie Thompson, portrayed by Joan Crawford in Rain, Sadie Hawkins Day, where the girls get to ask the boys to dance, and songs like the Beatles' Sexy Sadie.

Sadie

Jannieleigh's list "Middle names for little girl." of 3 great name ideas: Caroline - Sadie!

Middle names for little girl.

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