Surnames Ontko - Oosterhof
- Ontko (9 records)
- Ontl (2 records)
- Ontman (3 records)
- Onto (1 records)
- Ontoles (2 records)
- Ontuna (1 records)
- Ontverio (1 records)
- Onu (1 records)
- Onuekwusi (1 records)
- Onufer (2 records)
- Onufrak (1 records)
- Onufrick (2 records)
- Onufrieff (3 records)
- Onufryk (3 records)
- Onuigbo (1 records)
- Onuki (1 records)
- Onuma (1 records)
- Onuschak (1 records)
- Onuseit (2 records)
- Onusic (2 records)
- Onuska (1 records)
- Onwarsy (2 records)
- Onwbuya (1 records)
- Onweiler (2 records)
- Onweller (3 records)
- Onwere (1 records)
- Onwiler (8 records)
- Onwuameze (1 records)
- Onwudi (1 records)
- Onwuegbusi (1 records)
- Onwuka (1 records)
- Onwuname (1 records)
- Onwutuebe (1 records)
- Onyan (1 records)
- Onyeanusi (1 records)
- Onyee (1 records)
- Onyeneke (1 records)
- Onyett (19 records)
- Onyon (17 records)
- Onyot (1 records)
- Onyskin (1 records)
- Onyx (3 records)
- Onza (2 records)
- Onze (1 records)
- Onzelenko (1 records)
- Onzik (1 records)
- Onzo (1 records)
- Onzol (1 records)
- Oo (1 records)
- Oobberpuhl (1 records)
- Oobrien (2 records)
- Oochipinti (1 records)
- Oodrys (5 records)
- Oofield (1 records)
- Ooft (3 records)
- Ooghe (3 records)
- Oogjen (3 records)
- Oogler (1 records)
- Ooh (1 records)
- Oohm (1 records)
- Ooi (1 records)
- Ooka (10 records)
- Ookhtens (1 records)
- Oolbekkink (2 records)
- Oole (1 records)
- Ooley (36 records)
- Oomens (1 records)
- Oomroian (1 records)
- Ooms (8 records)
- Oonk (3 records)
- Oonnoonney (1 records)
- Oonsiri (1 records)
- Oor (1 records)
- Oord (1 records)
- Oordt (1 records)
- Oorts (1 records)
- Oortwyn (2 records)
- Oos (5 records)
- Oosdyke (1 records)
- Oosley (1 records)
- Oosomran (1 records)
- Oost (5 records)
- Oostdam (6 records)
- Oostdik (1 records)
- Oosten (7 records)
- Oostendorp (2 records)
- Oostenink (1 records)
- Oosterbaan (2 records)
- Oosterbeek (2 records)
- Oosterbroek (2 records)
- Oostergo (1 records)
- Oosterheert (2 records)
- Oosterhof (4 records)