gatorrn06's list "Sister for Scarlett Isabella" of 3 great name ideas: Summer - Milana!

Sister for Scarlett Isabella

The temperature is definitely rising for this popular seasonal name, which began being used in the seventies, and has been heard consistently ever since. 
 Summers have popped up all over the big and small screens: it was Zooey Deschanel's character in (500) Days of Summer and made featured appearances in Napoleon Dynamite, Baywatch, The O.C., and The Mentalist.

Summer

One of the most romantic names, the lovely and stylish Juliet seems finally to have shaken off her limiting link to Romeo. In Shakespeare's play, it was Juliet who said "What's in a name?" 
 

 Juliet originated in the Middle Ages as a diminutive form of Julian, then a predominantly female name. It ultimately derives from Julius, a Roman family name. Its origin is shrouded in history, but possible roots include Latin iuvenis, meaning "youthfu"; Greek ioulos, meaning "downy-bearded"; or Jovis, a form of Jupiter, which means "sky father".
 
French version Juliette, pronounced the same by most English speakers though the French emphasize the last syllable, was more popular than Juliet for the first time in 2015. Both names have taken over for Jennifer and Jessica as fashionable <a href="https://nameberry.com/search/girls-names/j">girls' names starting with J</a>.
 Juliet Burke was a character on Lost and Juliet Sharp on Gossip Girl. Juliet Low was the founder of the American Girl Scouts.
 Other ideas to consider: the original Julia, still lovely; Juliana; or even Jules.

Juliet

This makes Milan sound like less of a place, more of a name.

Sister for Scarlett Isabella

About this list

The names

Summer

Juliet

Milana