Kingston
- Onffroy, Frances
- Onffroy, Frances
- Onffroy, George
- Onffroy, Louis
- Ongley, Alfred
- Ongley, Ann
- Onraet, $
- Onraet, Margaret
- Onraet, Michele
- Onrie, Maria
- Onslow, Henrietta
- Onyett, David
- Openshaw, Harriette
- Oram,
- Oram, Caroline
- Oram, Catherine
- Oram, Elizabeth
- Oram, Jane
- Oram, John
- Oram, William
- Orchard, Ann
- Orchard, Caroline
- Orchard, Dorothy
- Orchard, Edmund
- Orchard, Elizabeth
- Orchard, Elizabeth
- Orchard, Ellen
- Orchard, Emma
- Orchard, Gladys
- Orchard, John
- Orchard, Thomas
- Orchard, Thomas
- Orford, Agnes
- Orford, Hilda
- Organ, William
- Orland, George
- Orley, Joseph
- Orlowski, Stanislaw
- Ormes, Arthur
- Ormes, Lewis
- Ormes, Mary
- Ormes, Samuel
- Ormond, Edwin
- Ormsby, Anna
- Ormsby, Arthur
- Orpen, Anna
- Orpen, Maria
- Orpen, Rosalie
- Orpen, Rose
- Orphin, Sarah