Fianna, a virtually unknown Irish name in the US, combines the best elements of Fiona and Brianna. In Irish and Scottish mythology, the Fianna were independent bands of warriors. It has ranked in Northern Ireland's Top 100 for girls several times over the past decade. The name also has potential political connotations: Fianna Fáil is a conservative Irish republican political party.

Signe could make an offbeat, more unusual alternative to Sydney or Sigrid. In Norse mythology, Signe was the twin sister of Sigmund. Can also be spelled Signy.

A key figure in Norse legend and a traditional Scandinavian favorite making inroads here.

The popularity of the Biblical Noah has led to a rise in Koa for boys, and since it boosted Noa up the charts for girls too, it was only so long before the rhyming Koa caught on as a unisex possibility. While it remains predominantly masculine and is given to boys 10 times more often in the states, a not insubstantial 114 girls were called Koa in a recent year.

It's hard to believe now that Herman was once, at the turn of the last century, a Top 50 name, remaining in the Top 100 until 1935, and even harder to imagine it making a comeback. But then again, our parents thought the same thing about Max and Jake. Consider the French Armand or Spanish Armando instead. Notable bearers include writers Herman Melville and Hermann Hesse--and then there was TV's Herman Munster.

Sasha in all its forms -- which include Sacha and Sascha -- is rising in popularity for both boys and girls, especially with the Sasha spelling attached to one of the First Daughters. Sacha with this spelling is a Top 20 name for baby boys in France.

Mime Marcel Marceau actually had two versions of the same name. Marcel, Marceau, Marcella, Marcus, Mark -- all are variation of the Roman mythological name Mars, the god of war.

This spelling variation of Marsaili simplifies and sleekens one of the most distinctive Scottish names for girls.

Based on the ancient name Marcellus, drawn from Mars the god of war, Marcello -- it's pronounced mar-chell-o -- is one of the most lush and attractive Latin names.

The Viktor form of this classic name is widely used throughout Europe and is rising in the US as well.

An international and unisex choice, Malin is a rare northern English name associated with the city of Sheffield. In this case, it would mean "little warrior". As a Bulgarian choice, it is a masculine form of Malina, a Slavic name meaning "raspberry". It is more common as a feminine name, however, as a contracted form of Magdalene and Madeleine.

Luis has long been one of the most popular Hispanic names in America — it was in the Top 100 every year from 1980 to 2014, though it's dropped a bit in popularity. It's familiar, yet would add a worldly touch to a basic surname.

Tied to the bluesy southern city and to the world heritage cite in Egypt after which it was named, Memphis is a modern choice with ancient history. Currently significantly more popular for boys in the US, as a place name with sounds reminiscent of Paris, Meredith and Emma, it has plenty of potential as a unisex choice.

An appealing Italianate alternative to the classic queenly Victoria, though in Anglophone countries it will be forever misunderstood as Victoria. Could be an appealing long form for a girl called not Vicky or Tory but Vita.

German might seem like an unlikely occupant of the Top 1000 list, unless you realize that it's a Spanish name, with the accent on the second syllable. It's been on the U.S. list since 1973.

Italian classic Luigi, though it lacks the modern style of Nico, Enzo, and Rocco, does have some notable namesakes, such as Nobel Prize winning author Luigi Pirandello and composer Cherubini..

A beautiful name found in Urdu Muslim communities.

This charming name, popular in France and the Netherlands, has not traveled to the U.S. yet but would make a modern way to honor grandma Mary or Louise, or as a perfect short form of Mary Louise. Or, with the growing fashion for nickname names, it can stand perfect well on its own. One of several similar variations — Lou, Lilou, Louane — in vogue in Europe.

When it's spelled with two dots over the 'u' in German, Gunther is pronounced GUWN-ter, but it has a much softer sound when the 'h' is voiced by English-speakers, as it was, for example, for the name of a character in Friends.

Even is a popular boys' name in Norway, derived from the Old Norse Eivindr. Another popular variation is Eivind, which is pronounced like Ivan.