Dhum is not a popular first name. It is more often used as a boy (male) name.
First names and their meaning - Page 9244
Diagne
Diagne is not a popular first name.
Diamanda
Meaning: Jewel, Of high value. 
Diamanda is not a popular first name. It is more often used as a girl (female) name. 
Dibbs
Dibbs is not a popular first name.
Differ
Differ is not a popular first name.
Digan
Digan is not a popular first name.
Dimitrakis
Dimitrakis is not a popular first name. It is more often used as a boy (male) name.
Dioso
Dioso is not a popular first name.
Dipita
Origin: Sanskrit. 
Meaning: Inflamed. 
Dipita is not a popular first name. It is more often used as a boy (male) name. 
Dobry
Meaning: Good. 
Dobry is not a popular first name. It is more often used as a boy (male) name.