Carolijn is not a popular first name. It is more often used as a girl (female) name.
First names and their meaning - Page 10103
Caronte
Origin: Basque. 
Caronte is not a popular first name. It is more often used as a boy (male) name. 
Carruelle
Carruelle is not a popular first name.
Carsta
Carsta is not a popular first name. It is more often used as a girl (female) name.
Casandro
Origin: Basque. 
Casandro is not a popular first name. It is more often used as a boy (male) name. 
Casério
Casério is not a popular first name. It is more often used as a boy (male) name.
Casiana
Casiana is not a popular first name. It is more often used as a girl (female) name.
Casiodoro
Origin: Basque. 
Casiodoro is a masculine given name of Greek origin in its English variant. It comes from the Greek Κασσιόδωρος, from […] 
Casique
Casique is not a popular first name.
Časlav
Meaning: Glory. 
Časlav is a Slavic given name, which has several spelling variants: Časlav (Cyrillic: Часлав) in Serbian, Čáslav or Čéslav in […]