Caleb is an attractive Old Testament name that has been in the US Top 100 for nearly three decades now. Consistently popular but never too popular, Caleb feels more like a classic than a momentary trend.

Cohen is a common last name among Jews and an important spiritual name in the Jewish religion, associated with the hereditary priests who claimed descent from the biblical Aaron. As a result of its religious significance, Cohen is considered by some to be inappropriate to use as a first name, particularly by people with no Jewish heritage.

Biblical name Cain was, until recently, seldom heard outside of the Old Testament and soap operas. Although Cain's murderous actions will always make this name difficult for some, Cain, Eve and Adam's firstborn, was a farmer - making this a good choice for those with farming connections. Long outshone by Abel, Cain is starting to find a broader audience, helped along by homophones Kane or Caine.

Castiel, which vaulted into the Top 1000 on the wings of the angel hero of the television show Supernatural, is the name of the Angel of the day Thursday. It may also derive some appeal from the newly-fashionable "Cas" syllable, as in Cassian and Cassius.

Carmelo is a well-used Hispanic name associated with Mt. Carmel, home of the prophet Elijah and the location of the convent for the order of Carmelites. Carmelo is also a saint's name and — in modern times — tied to basketball player Carmelo Anthony.

A name that feels both lively and serious, Chaim was once more familiar as Hyman or Hymie. Now, the original form is on the rise, ranking in the Top 700 in the US, the Top 30 in Israel, and the Top 1000 in England and Wales in a recent year.

One of the rarer names to come from the Bible, Cherith has a fresh and modern sound despite its ancient roots. Cherith was the name of the stream that kept Elijah alive during the three years' drought which he announced to King Ahab. In English, Cherith pleasingly reminds one of the word cherish which is another plus to this underused girls' name.

The Hebrew, Biblical form of Eve. While English speakers will likely find the forms Ava or Eve easier in everyday life, Chava is a lovely variation for a family that speaks Hebrew or Yiddish - plus, English speakers could always learn.

A life-affirming name of Hebrew origin, currently popular in Israel, Chaya has also risen up the charts in both the US and the UK in recent years. Used as a common name for leafy shrub in Mexico, it shares the same root as Chava, Eve, and Eva.

This is one of several Hebrew names with the beginning syllable Chaz.

Sounds a bit like a nickname in a Dickens novel, but this short form was used in New England a few centuries ago, back when names like Micajah were popular. Both short and long forms are now ripe for revival.

Carmel is a biblical place-name that is often used by Catholic parents around the world. It is given in honor of Our Lady of Mount Carmel and is the name of a mountain ridge on the Mediterranean near Haifa in Israel, mentioned in the Old Testament, famous for its lush vegetation and said to have been often visited by Mary and the Infant Christ.

Carmelita is an obscure short form of an obscure name that may rise to new prominence during the 2012 Olympics, via runner Carmelita Jeter aka "The World's Fastest Woman." Carmelita has a particularly international flavor with the original Carmel a Hebrew name long popular in Ireland, with Carmelita itself most popular in Latin countries.

More orthodox spelling of a name that also appears as Hazaiah and Hazaia. An obscure Biblical choice that has some modern zest.

Calah, also called Nimrud, is one of four ancient cities of Assyria, Noah's great-grandson. This unusual name suggests a woman open to opportunity.

Begs for the guttural pronunciation that's a problem in this culture.

Highly unusual; conceivable alternative to Daniel.

Lively sounding Hebrew choice.

Old World Jewish name that could travel to the New.

Rarely heard in this country.