Though some might find it a bit heavy-booted, Ivan is one of the few Russian boys' names to become fully accepted into the American naming pool.

This form of Agnes, Ines has always been popular since the true story of the thwarted lovers Queen Ines of Castro and King Peter of Portugal. This has to be one of the most heartbreaking and bloody true romances in history!

A pretty, if unusual choice for a summer baby, particularly a girl with an ancestor named Ida. An epithet of the goddess Aphrodite, Idalia is derived from the Greek place name Idalion.

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.

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.

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.

Icarus, the mythological figure famous for flying too close to the sun, has a couple of negatives: his rash reputation, and those "icky" nicknames.

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.

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.

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.

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.

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.

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.

The longer Isabella stays in the Top 10—and it's been there for more than a decade—the more we hear the nickname Izzy (especially if we watch Grey's Anatomy). it's just a matter of time before it stands on its own, as it has as a first name for the daughter of Eddie Murphy and Paige Butcher.

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.

This name, stemming from the Mayan mythological figure of the Rainbow Lady, is a surprising pop hit, primarily among Hispanic parents.

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.

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.

Ishmael is most familiar through "Call me Ishmael," the opening line spoken by the youthful narrator of Moby-Dick. Few American parents have followed that advice, though the Spanish and Arabic spelling, Ismael, ranks at Number 362. With its warm and pleasant sound, though, we could see Ishmael tagging along behind Isaiah and Isaac.

A name used in the Caribbean, taken from the Rastafarian term that translates best to "positive and powerful." Rastas often greet each other by saying, "Are you feeling Irie today?"