Monroe is a presidential name which, thanks to the immortal beauty of Marilyn Monroe, is catching on fast for baby girls. Mariah Carey and Nick Cannon chose it for their twin daughter, honoring Marilyn Monroe. Their use of Monroe as a girls’ name did much to revive this Old Man name, a la Sydney, as a newly fashionable choice for girls.

When aspiring British writer Sadie Smith decided to change her name to the more distinctive and zippy Zadie at the age of fourteen, this attention-magnet name was born. But though it might sound like a modern initial-switch, Zadie was actually Number 539 in 1881, remaining in the Top 1000 for almost thirty years.

It's a long time now since this casual but suave name was linked to velvet-throated, cardigan-sweatered singer Perry (born Pierino, son of Pietro) Como's day... and this could be the moment for a reassessment. Other Perry associations are designer Ellis and the fictional Perry Mason and Perry White. There is also the option of taking the long way round to Perry via the more substantial Peregrine or Percival.

Aspen is part of two groups of stylish and unique baby names: nature names and place-names. The name of a graceful tree in the poplar family with heart-shaped leaves so delicate they quiver in the gentlest breeze, Aspen is also the name of a trendy Colorado ski resort. Aspen started as a unisex name possibility but now is much more frequently worn by girls.

The girls have Violet and Scarlet and Ruby and Rose, but for the boys there's a much more limited palette of color names. Grey/Gray is one exception, which could make for a soft and evocative—if slightly somber—choice, especially in the middle. Kaitlin Olson and Rob McElhenney named their son Leo Grey.

Botanical choice that can work for either gender. Simple and straightforward. Caveats: rue means "regret" in English, and "street" in French. Now in the Top 1000 in England and Wales for girls and trending upwards in the US, it is nevertheless still given to a handful of boys each year. It could equally work as a nickname for a Ruben, Rudy, or a Rupert.

The doe-eyed Fawn is as gentle and soft as the baby deer it represents. And much like that baby deer, it carries with it the potential of new life. Fawn was featured at the bottom of the Top 1000 throughout the '60s and '70s — around the same time that Bambi came into play. But unlike Bambi, Fawn maintains relevance in the 21st century, thanks to its warmth and ties to the natural world. We would love to meet more baby girls named Fawn.

Super-sweet name that was the title of a Broadway play -- but best known as a type of apple. The Dutch variation is Pepijn is finding some popularity in that country, where short nickname names are stylish.

As trendy as the chic Colorado ski resort, with a hint of whimsy from the shimmering trees, Aspen has been climbing the charts for boys since the early 90s. While it has always been more popular for girls, it could work for a boy too.

A Native American tribe name which is found in the names of two US states, Dakota was one of the first trendy nineties place names, but is now flagging a little in popularity. The cultural question around using a Native American tribe name as a baby name may be partly to blame.

With its bubbly sounds and stylish feel, Pepper joins a small but distinctive group of names inspired by the spice rack: Saffron, Juniper, Cassia, Sage, Ginger, and Rosemary. Enough like Pippa, Piper and Penelope that it feels usable, Pepper has appeared every year in the US stats since the 60s.

Ryder, one of the current favorite er-ending boys’ names, has been in the spotlight since Kate Hudson and her rocker husband Chris Robinson chose it for their son in 2004. Very popular in several provinces of Canada, Ryder was chosen by John Leguzamo for his son and adorns Boy Meets World star Ryder Strong.

Hendrix is one of those hip rock and roll names, like Lennon, Jagger and Presley, that have been used by fellow celebs and others, to honor the seminal guitarist/singer/songwriter Jimi. And this one has the trendy 'x' ending, as well, helping to propel it up the charts and into the spotlight.

Most of the notable Rivers have been male, but this nature name certainly flows as well for a girl. The name River is still rising for both genders, with about 3500 baby boys receiving the name last year vs. 1900 baby girls.

Though as a formal name Rusty is a little, well, rusty, it spent half a century among the Top 1000, departing only in 1995. Only 45 baby boys received the name in the US in one recent year and it's difficult to imagine it as the winning choice of many modern parents. Whether you want an informal name or a spin on a traditional name or even a word name or a name that means red, there are simply too many better options.

Annabel is a spirited name that embodies quirky British gentility. Appearing in Scotland as early as the twelfth century, where it was a royal name, it also recalls the romantic Edgar Allan Poe poem Annabel Lee, written upon the death of his young wife, Virginia.

A glamorous surname name most famously borne by 1930s icon Jean Harlow (born Harlean Carpenter), Harlow is also the name of a town in the English county of Essex. Outside of the UK, Harlow would fit right in with contemporaries Arlo and Marlow(e).

Phoenix is a New Age name symbolizing rebirth and immortality. It's also a place name, a color name, a mythological name, AND an animal name, combining several of today's hottest trends in one appealing package.

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.