- Otteson
- Ottley
- Otto
- Otway
- Oulding
- Ouley
- Outram
- Ovenden
- Over
- Overall
- Hannah (1836 - circa 1910)
- Robert (between 1821 and 1822 - circa 1903)
- Overington
- Overton
- Overton-Morgan
- Ovington
- Ovred
- Owen
- Owens
- Pacey
- Pack
- Packard
- Packer
- Packham
- Packman
- Pacy
- Padden
- Kate (circa 1857 - circa 1927)
- Padilla
- Padwick
- Pagan
- Page
- Page-Hughes
- Paget
- Agnes, (Lady) (1804 - 1845)
- Arthur, (Lord) (1805 - 1825)
- Augusta, (Lady) (1802 - 1872)
- Caroline, (Lady) (1796 - 1874)
- Caroline Elizabeth (1774 - 1835)
- Cecil Frederick (circa 1924 - circa 1925)
- Edward, G.C.B. (the Hon. Sir) (1775 - 1849)
- Eleanora (before 1800 - 1828)
- Ellen
- Frederick Robert (circa 1899 - circa 1924)
- Georgina, (Lady) (1800 - 1875)
- Harriet (1790 - 1855)
- Henrietta (circa 1816 - 1844)
- Henry, K.G., G.C.B., P.C., 1st Marquess of Anglesey (Field Marshal the Most Hon.) (before 1775 - 1854)
- Henry, P.C., D.L., 2nd Marquess of Anglesey (the Most Hon.) (1797 - 1869)
- Jane, (Lady) (1798 - 1876)
- Olive May (1926 - 1999)
- Viney (1898 - circa 1983)
- William, R.N. (Captain Lord) (1803 - 1873)
- Pagett
- Paice
- Pain
- Paine
- Paines
- Eliza (1814 - circa 1903)
- Pains
- Eliza (1814 - circa 1903)
- James (before 1818 - before 1881)
- Paintain
- Painter
- Palka
- Palmer