The soundex code for O'Neil is O540.
Below are other surnames with the same soundex code. Click on a surname to see the listing for that name, or click the checkbox next to one or more names and then click the merge button to produce one listing including all the checked names.
Oneil

Users that have searched for O'Neil have included the following names in their searches. Numbers indicate number of searches.
duncan (4)

If you want to include a name with a different soundex enter it here:

Filters:
Givens contains: Gender:    Male Female Age/Year:    0/1901 1/1900 2/1899 3/1898 4/1897 5/1896 6/1895 7/1894 8/1893 9/1892 10/1891 11/1890 12/1889 13/1888 14/1887 15/1886 16/1885 17/1884 18/1883 19/1882 20/1881 21/1880 22/1879 23/1878 24/1877 25/1876 26/1875 27/1874 28/1873 29/1872 30/1871 31/1870 32/1869 33/1868 34/1867 35/1866 36/1865 37/1864 38/1863 39/1862 40/1861 41/1860 42/1859 43/1858 44/1857 45/1856 46/1855 47/1854 48/1853 49/1852 50/1851 51/1850 52/1849 53/1848 54/1847 55/1846 56/1845 57/1844 58/1843 59/1842 60/1841 61/1840 62/1839 63/1838 64/1837 65/1836 66/1835 67/1834 68/1833 69/1832 70/1831 71/1830 72/1829 73/1828 74/1827 75/1826 76/1825 77/1824 78/1823 79/1822 80/1821 81/1820 82/1819 83/1818 84/1817 85/1816 86/1815 87/1814 88/1813 89/1812 90/1811 91/1810 92/1809 93/1808 94/1807 95/1806 96/1805 97/1804 98/1803 99/1802   +- 1 +- 5 +- 10 Month:    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec