The mostly Americanized version of Geoffrey was a trendy mid-century hit, with nickname Jeff the epitome of cool. Jeffrey entered the pop list in 1934 and was a Top 20 name from the mid-fifties to 1978.

Just the kind of casual, flippant nickname that upscale Brits are putting on their sons' birth certificates, but few U.S. parents are.

Jemima, the name of a strong and beautiful Biblical daughter of Job, has long been among the chicest choices of aristocratic Brits, and has since shifted to be used more generally too, replacing Gemma/Jemma as a way to nickname "Jem". In a recent year, it featured in the England and Wales Top 500.

Aarav is derived from the Sanskrit root "rav," which is related to peace and music. Aarav is also associated with the concept of wisdom. It has traditionally been a common name among Hindus, who intentionally select names to inspire particular values in their children.

Wilfred is one of those Old Man Names that still sounds fusty in the US but is fashionable in the UK. It comes with readymade short forms Will, Wilf, or Fred and might make an adventurous alternative to the ubiquitous William. The central character of Walter Scott's Ivanhoe is the knight Wilfred of Ivanhoe while Wilfred Owen is a well-known British poet, noteworthy for his war poetry.

Paxton stands out from a lot of other two-syllable surname names for two reasons: the dynamic letter X in the middle, and its admirable peace association, providing the great nickname Pax.

Salem is a Biblical place name in Canaan, believed to be the same as Jerusalem, as well as the Massachusetts town famous for its late 17th century witch trials. Salem is also a popular first name in its own right throughout the Arabic world.

Miro comes from the Slavic root word mir meaning "peace, world". Sometimes Miro is used as a diminutive of longer names like Miroslav or Vladimir, but it can also be given as a name in its own right. Miro has a wonderful meaning and fits right in with trendy names Arlo and Milo, as well as being an artistic honor name for Spanish painter and sculptor Joan Miró.

Since female cousins Mitzi and Fritzi have entered the realm of possibilities, there's a chance that Cousin Fritz could as well. Fritz is the name of several notables, from early German-born film director Lang to early footballer Fritz (born Frederick) Pollard, the first African-American to play in the Rose Bowl in 1916.

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.

Just as internationally appealing as its feminine form, Mira, Miran is a name with multiple origins that is popular in Turkey, Azerbaijan, The Netherlands, and the UK.

Humphrey is an old name that might have faded completely were it not for that Bogie flair. A royal name in Britain, where it's used somewhat more frequently, Humphrey might just have some life beyond Bogart here, especially with the recent interest in the names of Golden Age Hollywood stars. His first name was the maiden name of his mother, Maud Humphrey, a well-known illustrator who used baby H. as a model.

Pax, one of the variations of names meaning peace that are newly popular in these less-than-peaceful times, got a lot of publicity when chosen by Brad & Angelina for their Vietnamese-born son. Parents attracted to Pax may also want to consider Paz, the unisex Spanish version, or Paxton, a growing-in-popularity surname choice that shares that magical X-factor.

The dynamic personality and paintings of Mexican artist Frida Kahlo have inspired growing numbers of parents to resurrect this form of the name. It does much better in certain European countries, especially in Denmark and Norway. The Frieda and Freida spellings were more popular in the US until the middle of the 20th century.

Guns 'n' Roses musician Axl (born William) Rose created this name by dropping a vowel, a la Barbra Streisand. The traditional Axel is more popular, though celebrity parents Fergie and Josh Duhamel deliberately chose the Axl spelling to honor her rock hero.

Peaceful, calm, and untroubled: these are qualities parents may be hoping for, either on their parenting journey or in their child’s life. The name Serenity encapsulates these hopes, conjuring up a sense of balance, composure, and ease.

In the US, this spelling is less common than mid-century favorite Jeffrey, and it has faded from popularity faster. This more British spelling is the usual form for historical figures like Geoffrey Chaucer and the Welsh historian Geoffrey of Monmouth, and as such it may feel more rooted and enduring.

Traditionally, Xolani is a masculine Zulu name stemming from the word "uxolo", which means peace and goodwill. Beware – in this case, the X is pronounced as a one of the famous Zulu clicking sounds rather than the "z" or "sh" sound you might expect.

Popular with Muslim and African-American parents, this virtue name also fits in with the trendy i ending names being seen at the moment. It debuted on the US Top 1000 in 1996.

Arcadia, a name for an unspoiled paradise, makes an attractive secular alternative to Nevaeh or Eden. For parents who want an unusual name with a friendlier nickname, Arcadia has the advantage of cute Cady.