Joseph O Harrow to Moses O Keef - 1881 Census household returns
- Joseph O Harrow
- Mark O Harrow
- Arthur O Haulan
- Timothy O Hayes
- James O Hea
- John O Hea
- Isaac O Heal
- James O Healey
- Owen O Heare
- Anthony O Hearn
- Martin O Hearn
- Owen O Hearn
- Peter O Hearne
- John O Hee
- Matthias O Hegan
- Peter O Henssey
- Frank O Hermon
- Mary O Hern
- Aaron O Hewell
- Matthew O Higgins
- William O Hilton
- Eliza M O Holloran
- Patrick O Honghlin Or O Loughlin
- John Close O Hoory
- Thomas O Horah
- Cornelius O Horlihy
- Catherine O Hors
- Charles A O Howell
- Elizabeth O Kane
- Margaret O Kane
- Michael O Kane
- Patrick O Kane
- William P O Kane
- Daniel O Keaffe
- Michael O Keaffe
- Rose Anna O Keans
- Francis J O Kearney
- John O Keef
- John O Keef
- Moses O Keef