Indigo is one of the most appealing and evocative of the new generation of color names. Color names have joined flower and jewel names -- in a big way -- and Indigo, a deep blue-purple dye from plants native to India, is particularly striking for both girls and boys. Indigo is the name of a character in the Ntozake Shange novel Sassafrass, Cypress & Indigo, and was used for his daughter by Lou Diamond Phillips.

Isa is a name unto itself as both a Persian name meaning "strong-willed" and as Germanic one derived from the element is meaning "ice". It can also be a short form of Isabel, Isabella, Isadora, Louisa, and similar. Currently popular in Brazil and The Netherlands, it has seen some increased use in the US in recent years, perhaps owing to the popularity of other short names like Ava, Mia, and Isla.

The Scottish spelling of Isabel has a definite character of her own, the 'o' giving her an extra infusion of strength but also an element of confusion. How do you pronounce that? Answer: Exactly like Isabel or Isabelle.

Isabel, Theodore, and Isadora are back: could it now be time for a more widespread revival of Isidore? Yet to see any big moves up the charts, Isidore was given to more than 30 boys in a recent year: twice the number it was given to a decade ago.

With Isabel getting so popular, parents are searching for new varieties of the name, and Isabeau is one that makes a lovely French twist.

Indigo is one of the most appealing and evocative of the new generation of color names. Color names have joined flower and jewel names -- in a big way -- and Indigo, a deep blue-purple dye from plants native to India, is particularly striking for both girls and boys. Although most people don't think of it like this, Indigo might also be considered among the most stylish Greek baby names in use today. Some cultural references: The Indigo Girls are a folk duo, 'Mood Indigo' is a classic Duke Ellington jazz composition, and there is a 1970's New Age theory that Indigo children possess special, sometimes supernatural abilities. Indigo is the name of a character in the Ntozake Shange novel Sassafrass, Cypress & Indigo, and was used for his daughter by Lou Diamond Phillips.

It might be surprising to know that this name originated as a Scottish place and surname name, as in Washington Irving. It became a popular choice for first-generation Jewish-American boys, such as best-selling authors Irving Stone and Irving Wallace, whose parents looked to surnames from the British Isles to confer a measure of assimilation and class.

Irina is a Russian ballet-inflected classic, one of the Three Sisters in the Chekhov play. While some Americans will pronounce this like Irene with three syllables, the pronunciation used throughout Europe, where it's widely used, starts with a short i as in it or if and a strong emphasis on the second syllable.

Iggy is the quintessential pop star name, though it's the nickname Cate Blanchett uses for son Ignatius. Iggy does bring any grander-sounding name down to earth.

Inigo, almost unknown in the U.S., is an intriguing choice, with its strong beat, creative and evocative sound, and associations with the great early British architect and stage designer Inigo Jones. The sixteenth-seventeenth century Jones shared his name with his father, a London clockmaker, who received it when Spanish names for boys were fashionable in England, especially among devout Roman Catholics.

Indie is an independent-sounding nickname name that is in the Top 100 in Wales. As a diminutive, it's growing in popularity -- along with indie films, indie publishing -- and the reason some parents are choosing names like India and Indigo. The Indie version seems more feminine, while Indy as in Indiana Jones tends toward the boyish.

Izan, pronounced with the same vowel sounds and emphasis as Ethan, ranks among the Top 20 boys' names in Spain, where it's been popular for two decades.

Idony is a Medieval variation of Idonea, itself an English form of Iðunn, the Norse goddess of spring and eternal youth. She was notable for carrying, keeping, and guarding the box of apples from which the gods would eat to regain their youth.

Also spelled Ines, this name of the prudish mother of Don Juan in the Byron poem has a touch of mystery, but has also been fully integrated into the American name pool.

Ivor, a favorite choice for upscale characters in Brit Lit novels by authors like P.G. Wodehouse and Evelyn Waugh, is an interesting and unusual name just waiting to be discovered by parents in this country.

Long an extremely popular name in Spain, Iker (usually pronounced EE-kuhr in the English speaking world) is the rare Basque name that's starting to make it big in the States also, thanks to soccer player Iker Casillas. Indeed, it's been one of the fastest growing boys' names of the decade.

Ivory was last popular a hundred years ago. In 2013, it finally began to regain some momentum in the female rankings, reentering the Top 1000, while 2024 saw it jump up the charts again by over 100 places, making it a To 500 name.

A simple name that's rising fast in the US, likely inspired by the popularity of Isla and Ayla. This streamlined form might appeal to those who like Ana, Ivy, and Ada, and it brings a multicultural element to the name.

Inara is an appealing choice with multiple origins, currently in the Top 500 in the UK and the Netherlands. Gentle looking but bright in feel, it is also on the rise in the US, possibly owing to its use in Joss Whedon's hit sci-fi series Firefly, featuring main character, Inara Serra.

Another strong Arabic name, related to Iman. Imani one is popular throughout the Muslim world but especially East Africa. It was chosen for her daughter by actress Jasmine Guy.