Albert William O Keill to John O Kuffe - 1911 Census household returns
- Albert William O Keill
- Elizabeth O Keilly
- James O Keilly
- Luke K O Keilly
- Michael Thomas O Keilly
- Anne O Kelffe
- Eliza O Kell
- Jane O Kell
- John O Kell
- Margaret O Kell
- Samuel O Kell
- Ada De P O Kelly
- Agnes O Kelly
- Agnes O Kelly
- Annie O Kelly
- Bridget O Kelly
- Charles Walter O Kelly
- Cornelius O Kelly
- Ellen Elizabeth O Kelly
- George O Kelly
- James O Kelly
- John Thomas O Kelly
- Margaret O Kelly
- Margaret O Kelly
- Mary Frances O Kelly
- Mary Jane O Kelly
- Richard O Kelly
- Thomas O Kelly
- Thomas O Kelly
- Winifred M O Kenealy
- Gerard O Kerrins
- Mary O Kerrins
- Alfred O Key
- F W Daniel O Key
- Harold O Key
- John O Key
- Stephen O Kiefe
- George Thomas O Kill
- Harry O Kill
- William Edwin O Kill
- Alice Maud O Kincaly
- Esther O Kins
- Michael John O Kourke
- Thomas Francis O Kourke
- John O Kuffe