O
- O Leary, William (1918-) b. Connecticut, USA
- Oakden, Francis Edward (1906-1962) b. Chesterton, Staffordshire
- Oakden, Frederick William (1907-1966) b. Chesterton, Staffordshire
- Oakden, Gertrude Alice (1905-1958) b. Chesterton, Staffordshire
- Oakden, Harry (1909-1967) b. Chesterton, Staffordshire
- Oakes, Ann (1831-1890) b. Aldridge, Staffordshire
- Oakes, Anne Elizabeth (1876-) b. Aldridge, Staffordshire
- Oakes, Emma (1845-1928) b. West Bromwich, Staffordshire
- Oakes, Mary (1829-1917) b. Middleton, Warwickshire
- Oakes, Thomas (1843-1919) b. West Bromwich, Staffordshire
- Oakes, Thomas (1877-) b. Aldridge, Staffordshire
- Oldham, Doris Maud (1905-) b. Coventry, Warwickshire
- Olner, Ada Maria (1879-) b. Bedworth, Warwickshire
- Olver, Hilda Maude (1906-1942) b. Birmingham, Warwickshire
- Olver, Raymond Eades (1908-1993) b. Handsworth, Staffordshire
- Olver, William Henry (1907-1979) b. Handsworth, Staffordshire
- Orley, Mary (1798-1848) b. Warwickshire
- Orton, Edward (1862-1863) b. Fazeley, Staffordshire
- Orton, Eliza (1859-) b. Fazeley, Staffordshire
- Orton, Ernest David (1868-) b. Fazeley, Staffordshire
- Orton, Harriet (1872-) b. New York, USA
- Orton, Harriet Ann (1879-) b. Fazeley, Staffordshire
- Orton, Henry (1857-) b. Fazeley, Staffordshire
- Orton, Joseph (1877-) b. New York, USA
- Orton, Mary Ann (1881-) b. Fazeley, Staffordshire
- Orton, Matthew (1862-1863) b. Fazeley, Staffordshire
- Orton, Minnie (1873-) b. New York, USA
- Orton, Nellie (1881-) b. New York, USA
- Orton, Oliver (1865-1898) b. Fazeley, Staffordshire
- Osborne, Agnes (1900-1902) b. Kinsley, West Riding of Yorkshire
- Osborne, George (1895-1973) b. Denaby Main, West Riding of Yorkshire
- Osborne, James (1890-1969) b. Denaby Main, West Riding of Yorkshire
- Osborne, Margaret (1891-1974) b. Denaby Main, West Riding of Yorkshire
- Osborne, Mary (1893-1976) b. Denaby Main, West Riding of Yorkshire
- Osborne, Norah (1898-1967) b. Kinsley, West Riding of Yorkshire
- Osborne, Priscilla (1897-1898) b. Kinsley, West Riding of Yorkshire
- Owen, Abel Joseph (1892-1978) b. Foleshill, Warwickshire
- Owen, Alfred (1857-1864) b. Coventry, Warwickshire
- Owen, Arthur (1851-1917) b. Middleton, Warwickshire
- Owen, Arthur Henry (1873-) b. Middleton, Warwickshire
- Owen, Caroline Ann (1852-1925) b. Foleshill, Warwickshire
- Owen, Catherine Ann (1876-) b. Foleshill, Warwickshire
- Owen, Catherine Elizabeth (1860-1864) b. Birmingham, Warwickshire
- Owen, Charles Herbert (1890-) b. Foleshill, Warwickshire
- Owen, Christopher Joseph Edward (1861-) b. Stoke, Coventry, Warwickshire
- Owen, Clara (1888-) b. Foleshill, Warwickshire
- Owen, Doris Mabel (1905-) b. Foleshill, Warwickshire
- Owen, Edward (1834-1880) b. Allesley, Warwickshire
- Owen, Edward Ebenezer (1873-) b. Coventry, Warwickshire
- Owen, Elizabeth (1820-1858) b. Allesley, Warwickshire
- Owen, Elizabeth (1863-1933) b. Stoke, Coventry, Warwickshire
- Owen, Ellen (1849-1921) b. Middleton, Warwickshire
- Owen, Ellen Clara (1864-) b. Birmingham, Warwickshire
- Owen, Ellen Elizabeth (1847-1923) b. Coventry, Warwickshire
- Owen, Emma (1837-1850) b. Warwickshire
- Owen, Emma (1845-1909) b. Coventry, Warwickshire
- Owen, Ethel May (1904-) b. Foleshill, Warwickshire
- Owen, Georgiana (1846-1854) b. Middleton, Warwickshire
- Owen, Gertrude (1877-) b. Middleton, Warwickshire
- Owen, Henry (1836-1838) b. Allesley, Warwickshire
- Owen, Herbert Cornelius (1866-1941) b. Foleshill, Warwickshire
- Owen, Herbert William (1907-) b. Foleshill, Warwickshire
- Owen, Isaac Albert (1863-1942) b. Birmingham, Warwickshire
- Owen, James (1825-1885) b. Allesley, Warwickshire
- Owen, James (1860-1864) b. Coventry, Warwickshire
- Owen, Joseph (1831-1851) b. Warwickshire
- Owen, Lily (1909-1909) b. Birmingham, Warwickshire
- Owen, Lily Mary (1902-2000) b. Foleshill, Warwickshire
- Owen, Lily Priscilla (1880-) b. Foleshill, Warwickshire
- Owen, Maria (-1806) b. Unknown
- Owen, Maria (1827-1856) b. Coventry, Warwickshire
- Owen, Mary Ann (1816-1897) b. Berkswell, Warwickshire
- Owen, Mary Ann (1849-1864) b. Foleshill, Warwickshire
- Owen, Mary Elizabeth (1847-1909) b. Middleton, Warwickshire
- Owen, Rachel (1856-1907) b. Birmingham, Warwickshire
- Owen, Reuben James (1862-1889) b. Birmingham, Warwickshire
- Owen, Richard Henry (1841-) b. Coventry, Warwickshire
- Owen, Rose (1909-1911) b. Birmingham, Warwickshire
- Owen, Sarah (1832-) b. Warwickshire
- Owen, Thomas (1791-1862) b. Berkswell, Warwickshire
- Owen, Thomas (1819-1874) b. Berkswell, Warwickshire
- Owen, Thomas William (1875-) b. Middleton, Warwickshire
- Owen, William (1756-1847) b. Warwickshire
- Owen, William (1854-) b. Foleshill, Warwickshire
- Oxford, Annie (1871-1871) b. Corley, Warwickshire
- Oxford, Annie Maria (1881-) b. Corley, Warwickshire
- Oxford, Frederick Thomas (1874-) b. Allesley, Warwickshire
- Oxford, Harriet Maria (1863-1955) b. Foleshill, Warwickshire
- Oxford, Louisa Ann (1877-) b. Allesley, Warwickshire
- Oxford, Mary Elizabeth (1868-) b. Corley, Warwickshire
- Oxford, William Henry (1873-1873) b. Warwickshire