Origin: Latin. 
Meaning: Shrewd. 
Catus is not a popular first name. It is more often used as a boy (male) name. 
First names and their meaning - Page 8464
Cecco
Cecco is not a popular first name.
Chaffin
Chaffin is not a popular first name.
Champlain
Champlain is not a popular first name.
Changqing
Changqing is not a popular first name. It is more often used as a boy (male) name.
Chanit
Origin: Hebrew. 
Meaning: Weapon. 
Chanit is not a popular first name. It is more often used as a girl (female) name. 
Chayim
Origin: Hebrew. 
Meaning: Life. 
Chayim is not a popular first name. It is more often used as a boy (male) name. 
Chenggang
Chenggang is not a popular first name. It is more often used as a boy (male) name.
Chhoeun
Chhoeun is not a popular first name.
Chimes
Chimes is not a popular first name.