Obryan is not a popular first name. It is more often used as a boy (male) name.
First names and their meaning - Page 5292
Odo
Meaning: Wealth. 
Odo is a name typically associated with historical figures from the Middle Ages and before. Odo is etymologically related to […] 
Oklahoma
Meaning: Red people. 
Oklahoma is not a popular first name. It is more often used as a unisex (male and female) name. 
Oppie
Oppie is not a popular first name. It is more often used as a girl (female) name.
Pampa
Pampa is not a popular first name.
Pamula
Pamula is not a popular first name. It is more often used as a girl (female) name.
Pathy
Pathy is not a popular first name.
Peerapat
Peerapat is not a popular first name.
Pendy
Pendy is not a popular first name.
Pengemis
Pengemis is not a popular first name.