Cognates of ōd include: the first part of given names like Otto, Edward, Edmund etc. See also Old English ēad. Cognates of mǣr/mār include: the second part of given names like Sigmar, Dietmar, Ingemar etc. See Old English mære.
Cognates of Omer include: Czech and German Otmar.
Proper noun 
- A male given name.