Origin: Latin. 
Meaning: The scorpion. 
Scorpio is not a popular first name. It is more often used as a unisex (male and female) name. 
First names and their meaning - Page 8044
Sefu
Meaning: Sword. 
Sefu is not a popular first name. It is more often used as a boy (male) name. 
Sehgal
Sehgal is not a popular first name.
Selbi
Selbi is not a popular first name. It is more often used as a girl (female) name.
Semah
Origin: Arabic. 
Meaning: Known symbol. 
Semah is not a popular first name. It is more often used as a girl (female) name. 
Sergiusz
Origin: Latin. 
Meaning: Attendant. 
Sergiusz is not a popular first name. It is more often used as a boy (male) name. 
Serwa
Origin: African. 
Meaning: Jewel. 
Serwa is not a popular first name. It is more often used as a girl (female) name. 
Sesay
Sesay is not a popular first name.
Seyhmus
Seyhmus is not a popular first name. It is more often used as a boy (male) name.
Shaklee
Shaklee is not a popular first name.