Clarion was the name of a medieval trumpet used in the Middle Ages that was loud and shrill. A clarion call is an idiom referring to a call to action. The word comes from Old French claron< Latin clario (trumpet)< Latin clārus meaning “clear, bright, shining; renowned, famous” derived from PIE *kelh₁- (to call, shout), which is the same root word as the name Claire derives from.

Clarion is also a French surname.

Origin: Proto-Indo-European

Meaning: name of a medieval trumpet that was loud and shrill

Usage: English


Cleo is an English unisex name which originated as a shortened form of names such as Cleopatra (an Ancient Greek female name meaning “glory of the father”) or Cleopas (a contracted form of Cleopatros, the masculine form of Cleopatra). It derives from the Ancient Greek element kleos κλέος (glory, fame).

Cleo could also have originated as a variant spelling of Clio which derives from the same source above; in Greek mythology, Clio is one of the nine Muses, the muse of history and heroic poetry.

Origin: Proto-Indo-European

Meaning: “glory”

Usage: English

Female forms:

  • Clio (Latinized Ancient Greek)
  • Klio (Ancient Greek)
  • Clea (English, German, French)
  • Klea (English)
  • Clia (English)
  • Klia (English)

Male forms:

  • Cleon (Latinized Ancient Greek)
  • Kleon (Ancient Greek)


Cato is an Ancient Roman cognomen meaning “wise” in Latin <catus (clever, intelligent; cunning) <Proto-Italic *katos (clever, shrewd) which ultimately derives from a PIE root word meaning “to sharpen”. 

Cato is also a Dutch female name, originating as diminutive of Catharina, the Dutch and Swedish form of KatherineKatherine is the English form of Greek Aikaterine though the etymology behind the name is not certain. It could be derived from another Greek name, Hekaterine via hekateros meaning “each of the two” or from Hecatethe name of the Greek goddess of witchcraft, the underworld, and crossroads. Though her name is of uncertain meaning it’s often been associated with Greek hekas meaning “far away” so the name would essentially mean “one who works from afar” or “the far-reaching one”. It’s also been linked to Ancient Greek hekṓn meaning “will” or “willing”. It might also be derived from Greek aikia “torture”.

Katherine could also be from a Coptic name meaning “my consecration of your name”. The spelling of the name was later changed to be associated with Greek katharos “pure”.

Origin: Proto-Indo-European; uncertain

Meaning: an Ancient Roman cognomen “wise”; could also be derived from Katherinea name of uncertain etymology though possible “each of the two”, or derived from the name of Greek goddess Hecate “one who works from afar” or “the far-reaching one”; “will, willing”, “torture”; possibly from Coptic “my consecration of your name”, the spelling later changed to associate it with Greek katharos “pure”

Usage: Ancient Roman, Dutch, English



  • Kato (English)- also an Eastern African name with a different meaning/etymology as well as a Japanese surname


Charlie is often used as a nickname for Charles and its feminine forms Charlotte and CharleneCharles is the English form of Old High German Karl meaning “man, husband” via Proto-Germanic *karlaz (free man), of uncertain etymology but likely deriving from a PIE origin. It was originally used to refer to men who were not thralls or servants but who still lived at the bottom of society, thus connoting the idea of a “free man”.

Origin: Proto-Germanic

Meaning: “free man”

Usage: English



  • Charley (English)
  • Charlee (English)
  • Charleigh (English)


Clark originated as an English surname, originally an occupational name for someone who worked as a scribe or a secretary, or for someone who was a member of the clergy; in the Middle Ages only those who belonged to a religious order were able to read and write, so it may also have originated as a nickname for any literate man.

The name comes from Old English clerc (clergyman, clerk) via Late Latin clericus (priest, clergyman; learned man, clerk) via Ancient Greek klerikos (of or pertaining to clergy) which ultimately derives from a PIE root word.

Origin: Proto-Indo-European

Meaning: “cleric, scribe, clerk”

Usage: English


  • Clarke (English)