Mannon is not a popular first name. It is more often used as a unisex (male and female) name.
First names and their meaning - Page 6837
Mared
Meaning: Pearl. 
Mared is not a popular first name. It is more often used as a girl (female) name. 
Mareth
Mareth is not a popular first name.
Margretta
Meaning: Pearl. 
Margretta is not a popular first name. It is more often used as a girl (female) name. 
Marietou
Marietou is not a popular first name. It is more often used as a girl (female) name.
Marjani
Origin: African. 
Meaning: Coral. 
Marjani is not a popular first name. It is more often used as a girl (female) name. 
Marts
Marts is not a popular first name.
Massih
Massih is not a popular first name. It is more often used as a boy (male) name.
Maur
Meaning: Dark. 
Maur is not a popular first name. It is more often used as a boy (male) name. 
Mccain
Mccain is not a popular first name. It is more often used as a boy (male) name.