Onan

|vigorous,| a son of Judah

Onésimos

|useful,| Onesimus, a Christian

Onésiphoros

|bringing advantage,| Onesiphorus, a Christian

Ophay

an Israelite

Ophir

a son of Joktan, also his desc., also a region from which gold comes

Ophrah

an Israelite, also two places in Isr.

Oreb

a Midianite

Oren

|fir tree,| a descendant of Judah

Ornan

a Jebusite

ornis

a bird, spec. a rooster or hen