| Web | SURNAME | First | Middle | Birth | Place | Ship | Date | Age | Contributor |
| U1 | UEZZELL | Peter | 1886 | Eng | Tunisian | 1901 | 15 | Unclaimed | |
| U1 | UGLOW | M | 1894 | Eng | Southwark | 1904 | 10 | Unclaimed | |
| U1 | UILTIDUE | Alice | 1894 | Eng | Victorian | 1907 | 13 | Unclaimed | |
| U1 | UIMONEN | Edward | Carl A | 08/03/1911 | Eng | Melita | 1924 | 13 | Claimed |
| U1 | ULLERENSHAW | R | V | 1869 | Eng | Sarnia | 1885 | 16 | Unclaimed |
| U1 | ULLMANN | John | 1871 | Eng | Sardinian | 1888 | 17 | Unclaimed | |
| U1 | ULPH | Thomas | 1891 | Eng | Virginian | 1906 | 15 | Unclaimed | |
| U1 | ULTING | Benjamin | E | 1895 | Eng | Tunisian | 1912 | 17 | Unclaimed |
| U1 | ULTON | James | 1857 | Eng | Prussian | 1873 | 16 | Unclaimed | |
| U1 | UNDERBACKER | A | 1885 | Eng | Canada | 1903 | 18 | Unclaimed | |
| U1 | UNDERHILL | Alfred | T | 01/06/1890 | Eng | Carthaginian | 1907 | 17 | Unclaimed |
| U1 | UNDERHILL | Charles | 1867 | Eng | Corean | 1885 | 18 | Unclaimed | |
| U1 | UNDERHILL | Elsie | 1902 | Eng | Calgarian | 1914 | 12 | Unclaimed | |
| U1 | UNDERHILL | George | 1892 | Eng | Carthaginian | 1907 | 15 | Unclaimed | |
| U1 | UNDERHILL | George | 1876 | Eng | Polynesian | 1882 | 6 | Unclaimed | |
| U1 | UNDERHILL | Henry | 1883 | Eng | Mongolian | 1896 | 13 | Unclaimed | |
| U1 | UNDERHILL | John | 23/05/1887 | Eng | Dominion | 1900 | 13 | Unclaimed | |
| U1 | UNDERHILL | Margaret | 1894 | Eng | Sicilian | 1910 | 16 | Unclaimed | |
| U1 | UNDERHILL | Rosetta | 1896 | Eng | Dominion | 1906 | 10 | Unclaimed | |
| U1 | UNDERLING | Florence | 1895 | Eng | Canada | 1905 | 10 | Unclaimed | |
| U1 | UNDERWOOD | Alice | 1889 | Eng | Tunisian | 1901 | 12 | Unclaimed | |
| U1 | UNDERWOOD | Charles | 1870 | Eng | Parisian | 1887 | 17 | Unclaimed | |
| U1 | UNDERWOOD | Charles | Edward | 04/12/1895 | Eng | Carthaginian | 1909 | 14 | Unclaimed |
| U1 | UNDERWOOD | Edward | C | 1874 | Eng | Carthaginian | 1892 | 18 | Unclaimed |
| U1 | UNDERWOOD | Emma | 1884 | Eng | Dominion | 1898 | 14 | Unclaimed | |
| U1 | UNDERWOOD | Florence | 1894 | Eng | Corinthian | 1900 | 6 | Unclaimed | |
| U1 | UNDERWOOD | Florence | 1881 | Eng | Parisian | 1892 | 10 | Unclaimed | |
| U1 | UNDERWOOD | Frederick | Robert | 1900 | Eng | Carthaginian | 1912 | 12 | Unclaimed |
| U1 | UNDERWOOD | George | Charles | 04/08/1884 | Eng | 1898 | 14 | Unclaimed | |
| U1 | UNDERWOOD | Grace | 1886 | Eng | 1901 | 15 | Unclaimed | ||
| U1 | UNDERWOOD | Harold | 1903 | Eng | Carthaginian | 1912 | 9 | Unclaimed | |
| U1 | UNDERWOOD | Harold | 04/01/1894 | Eng | Dominion | 1909 | 14 | Unclaimed | |
| U1 | UNDERWOOD | Horace | Baden | 08/01/1897 | Eng | Sicilian | 1910 | 13 | Unclaimed |
| U1 | UNDERWOOD | James | 21/03/1889 | Eng | Labrador | 1898 | 8 | Unclaimed | |
| U1 | UNDERWOOD | John | 1880 | Eng | Parisian | 1891 | 11 | Unclaimed | |
| U1 | UNDERWOOD | John | 1883 | Eng | New England | 1902 | 19 | Unclaimed | |
| U1 | UNDERWOOD | John | 1898 | Eng | Empress Ireland | 1912 | 14 | Unclaimed | |
| U1 | UNDERWOOD | John | 1881 | Eng | Labrador | 1894 | 13 | Unclaimed | |
| U1 | UNDERWOOD | Joseph | 1895 | Eng | Empress Ireland | 1910 | 15 | Unclaimed | |
| U1 | UNDERWOOD | Joseph | 1854 | Eng | Prussian | 1871 | 17 | Unclaimed | |
| U1 | UNDERWOOD | Kathleen | L | 1894 | Eng | Dominion | 1905 | 11 | Unclaimed |
| U1 | UNDERWOOD | Mary | 1891 | Eng | Dominion | 1903 | 12 | Unclaimed | |
| U1 | UNDERWOOD | Mary | Jane | 1897 | Eng | Sicilian | 1912 | 15 | Unclaimed |
| U1 | UNDERWOOD | Maud | Janet | 1901 | Eng | Sicilian | 1912 | 11 | Unclaimed |
| U1 | UNDERWOOD | Nora | 1878 | Eng | Peruvian | 1891 | 13 | Unclaimed | |
| U1 | UNDERWOOD | W | 1870 | Eng | Toronto | 1887 | 17 | Unclaimed | |
| U1 | UNDERWOOD | Walter | 1905 | Eng | Tunisian | 1912 | 7 | Unclaimed | |
| U1 | UNDERWOOD | William | 1884 | Eng | State California | 1897 | 13 | Unclaimed | |
| U1 | UNGAR | D | 1873 | Eng | Circassian | 1891 | 18 | Unclaimed | |
| U1 | UNGLASS | Grace | 1899 | Eng | Victorian | 1908 | 9 | Unclaimed | |
| U1 | UNIVETT | Henry | 1863 | Eng | Sarmatian | 1874 | 11 | Unclaimed | |
| U1 | UNSTEAD | Edward | H | 1884 | Eng | Yorkshire | 1898 | 14 | Unclaimed |
| U1 | UNSWORTH | Frances | 1898 | Eng | Corsican | 1908 | 10 | Unclaimed | |
| U1 | UNSWORTH | John | 1879 | Eng | Vancouver | 1890 | 11 | Unclaimed | |
| U1 | UNSWORTH | Joseph | 1864 | Eng | Mississippi | 1882 | 18 | Unclaimed | |
| U1 | UNSWORTH | Lilian | 1896 | Eng | Corsican | 1908 | 12 | Unclaimed | |
| U1 | UNSWORTH | Margaret | 1900 | Eng | Corsican | 1908 | 8 | Unclaimed | |
| U1 | UNSWORTH | Nellie | 1881 | Eng | Vancouver | 1890 | 9 | Unclaimed | |
| U1 | UNSWORTH | William | Edward | 15/04/1878 | Eng | Vancouver | 1890 | 12 | Unclaimed |
| U1 | UNTHANK | Emma | 1892 | Eng | Dominion | 1902 | 10 | Unclaimed | |
| U1 | UNTHANK | Leslie | Ernest | 29/04/1887 | Eng | 1900 | 13 | Unclaimed | |
| U1 | UNTHANK | Richard | Peter | 03/01/1892 | Eng | Dominion | 1903 | 11 | Unclaimed |
| U1 | UNTHANK | William | Arthur | 02/01/1896 | Eng | 1911 | 15 | Unclaimed | |
| U1 | UNWIN | Agnes | Maud | 1905 | Eng | Corinthian | 1913 | 8 | Unclaimed |
| U1 | UNWIN | Arthur | 03/12/1893 | Eng | Kensington | 1904 | 11 | Unclaimed | |
| U1 | UNWIN | George | 1899 | Eng | Victorian | 1914 | 15 | Unclaimed | |
| U1 | UNWIN | Hugh | 1879 | Eng | 1894 | 15 | Unclaimed | ||
| U1 | UNWIN | J | 1887 | Eng | Southwark | 1904 | 17 | Unclaimed | |
| U1 | UNWIN | L | 1886 | Eng | Southwark | 1904 | 18 | Unclaimed | |
| U1 | UNWIN | M | 1892 | Eng | Kensington | 1904 | 12 | Unclaimed | |
| U1 | UNWIN | Mary | 1861 | Eng | Sarmatian | 1874 | 13 | Unclaimed | |
| U1 | UNWIN | Thomas | 1876 | Eng | Sardinian | 1889 | 13 | Unclaimed | |
| U1 | UPCHURCH | Cyril | Thomas | 1903 | Eng | Corinthian | 1912 | 9 | Unclaimed |
| U1 | UPCOTT | George | 1891 | Eng | Sicilian | 1901 | 10 | Unclaimed | |
| U1 | UPCOTT | P | 1890 | Eng | Sicilian | 1901 | 11 | Unclaimed | |
| U1 | UPFIELD | Charlotte | Lottie | 1886 | Eng | Laurentian | 1894 | 8 | Unclaimed |
| U1 | UPHAM | Frank | 1906 | Eng | Sicilian | 1914 | 8 | Unclaimed | |
| U1 | UPHOLDT | Louisa | 1869 | Eng | Sardinian | 1879 | 10 | Unclaimed | |
| U1 | UPJOHN | Ada | 1880 | Eng | Sardinian | 1890 | 10 | Unclaimed | |
| U1 | UPRICHARD | Joanne | 1858 | Eng | Peruvian | 1874 | 16 | Unclaimed | |
| U1 | UPSHALL | Mary | 1884 | Eng | Megantic | 1913 | 29 | Unclaimed | |
| U1 | UPSHALL | Ruby | 1895 | Eng | Megantic | 1913 | 18 | Unclaimed | |
| U1 | UPSON | Frederick | 21/11/1887 | Eng | Tunisian | 1904 | 17 | Unclaimed | |
| U1 | UPSTONE | Lewis | Alexander | 08/11/1886 | Eng | Lake Manitoba | 1904 | 18 | Unclaimed |
| U1 | UPTON | Ann | 1898 | Eng | Corinthian | 1913 | 15 | Unclaimed | |
| U1 | UPTON | Augustus | 1880 | Eng | Nestorian | 1888 | 8 | Unclaimed | |
| U1 | UPTON | George | 1854 | Eng | Severn | 1873 | 19 | Unclaimed | |
| U1 | UPTON | Harriett | 1876 | Eng | Nestorian | 1888 | 12 | Unclaimed | |
| U1 | UPTON | I | 1882 | Eng | Oregon | 1893 | 11 | Unclaimed | |
| U1 | UPTON | John | 1895 | Eng | Lake Manitoba | 1914 | 19 | Unclaimed | |
| U1 | UPTON | John | Eng | Lake Manitoba | 19 | Unclaimed | |||
| U1 | UPTON | Josephina | 1879 | Eng | Nestorian | 1888 | 9 | Unclaimed | |
| U1 | UPTON | Katherine | 1885 | Eng | Scotsman | 1896 | 11 | Unclaimed | |
| U1 | UPTON | Lilian | 1878 | Eng | Mongolian | 1892 | 14 | Unclaimed | |
| U1 | UPTON | Marion | 1873 | Eng | Circassian | 1889 | 16 | Unclaimed | |
| U1 | UPTON | Philip | Edgar | 04/01/1894 | Eng | Ansonia | 1913 | 19 | Unclaimed |
| U1 | UPTON | Samuel | 1893 | Eng | Dominion | 1907 | 14 | Unclaimed | |
| U1 | UPTON | T | 1898 | Eng | Lake Champlain | 1908 | 10 | Unclaimed | |
| U1 | UPTON | Thomas | 1867 | Eng | Sarmatian | 1882 | 15 | Unclaimed | |
| U1 | UPTON | Violet | 1883 | Eng | Circassian | 1893 | 10 | Unclaimed | |
| U1 | UPWARD | Henry | 02/03/1896 | Eng | Virginian | 1912 | 18 | Unclaimed | |
| U1 | URBAN | Joseph | 1886 | Eng | Numidian | 1900 | 14 | Unclaimed | |
| U1 | URCH | Augustus | Lovell | 24/03/1894 | Eng | 1910 | 16 | Unclaimed | |
| U1 | URCH | Herbert | Charles | 18/02/1892 | Eng | Scotsman | 1896 | 3 | Claimed |
| U1 | URCH | Leonard | 20/10/1887 | Eng | 1900 | 13 | Unclaimed | ||
| U1 | URCHARD | Selina | 1870 | Eng | Sardinian | 1883 | 13 | Unclaimed | |
| U1 | URDDLET | John | 1892 | Eng | Tunisian | 1902 | 10 | Unclaimed | |
| U1 | URELL | James | M | 1856 | Eng | Moravian | 1870 | 14 | Unclaimed |
| U1 | UREN | Edwin | 10/11/1896 | Eng | Lake Manitoba | 1913 | 17 | Unclaimed | |
| U1 | URIE | Matthew | 1877 | Eng | 1892 | 15 | Unclaimed | ||
| U1 | URMSON | Albert | 21/03/1900 | Eng | Victorian | 1912 | 12 | Unclaimed | |
| U1 | URMSON | Alice | 1895 | Eng | Sicilian | 1909 | 14 | Unclaimed | |
| U1 | URMSON | Ann | 1896 | Eng | Sicilian | 1909 | 13 | Unclaimed | |
| U1 | URNSCOTT | Beatrice | 1887 | Eng | Corean | 1896 | 9 | Unclaimed | |
| U1 | URQUHART | Alexander | 11/01/1894 | Scl | Hesperian | 1913 | 18 | Unclaimed | |
| U1 | URQUHART | Alfred | 1878 | Eng | Vancouver | 1894 | 16 | Unclaimed | |
| U1 | URQUHART | Anne | 1895 | Scl | Hesperian | 1911 | 16 | Unclaimed | |
| U1 | URQUHART | Ernest | 10/04/1897 | Eng | 1912 | 15 | Unclaimed | ||
| U1 | URQUHART | Ernest | 10/04/1897 | Eng | Carthaginian | 1909 | 11 | Claimed | |
| U1 | URQUHART | H | 1888 | Eng | Parisian | 1904 | 16 | Unclaimed | |
| U1 | URQUHART | Isabella | 1877 | Scl | Buenos Ayrean | 1880 | 3 | Unclaimed | |
| U1 | URQUHART | Jessica | 1882 | Eng | Labrador | 1898 | 16 | Unclaimed | |
| U1 | URQUHART | Maria | Maud | 1887 | Eng | Labrador | 1898 | 11 | Unclaimed |
| U1 | URQUHART | William | 1878 | Eng | Laurentian | 1894 | 16 | Unclaimed | |
| U1 | URRY | B | 1902 | Eng | Corinthian | 1913 | 11 | Unclaimed | |
| U1 | URWIN | Agnes | Maud | 1905 | Eng | Corinthian | 1913 | 8 | Unclaimed |
| U1 | URWIN | Georgina | 1902 | Eng | Tunisian | 1910 | 8 | Unclaimed | |
| U1 | URWIN | Jane | 1901 | Eng | Tunisian | 1910 | 9 | Unclaimed | |
| U1 | USAINS | Alice | 1847 | Eng | 1862 | 15 | Unclaimed | ||
| U1 | USAINS | Caroline | 1869 | Eng | 1884 | 15 | Unclaimed | ||
| U1 | USHER | Agnes | 1890 | Eng | 1901 | 11 | Unclaimed | ||
| U1 | USHER | Amy | 1892 | Eng | 1901 | 9 | Unclaimed | ||
| U1 | USHER | Anne | 1893 | Eng | Southwark | 1904 | 11 | Unclaimed | |
| U1 | USHER | Charles | 1890 | Eng | Tunisian | 1901 | 11 | Unclaimed | |
| U1 | USHER | Elizabeth | 11/08/1888 | Eng | Southwark | 1904 | 16 | Unclaimed | |
| U1 | USHER | Emma | 1892 | Eng | Dominion | 1902 | 10 | Unclaimed | |
| U1 | USHER | Frederick | 1913 | Eng | Albernia | 1927 | 14 | Unclaimed | |
| U1 | USHER | Frederick | 1889 | Eng | Scotsman | 1899 | 10 | Unclaimed | |
| U1 | USHER | Henry | 1891 | Eng | Dominion | 1905 | 14 | Unclaimed | |
| U1 | USHER | Henry | 1876 | Eng | Caspian | 1889 | 13 | Unclaimed | |
| U1 | USHER | Henry | F | 1896 | Eng | Canada | 1909 | 13 | Unclaimed |
| U1 | USHER | John | F | 1894 | Eng | Canada | 1909 | 15 | Unclaimed |
| U1 | USHER | Margaret | 1889 | Eng | Tunisian | 1901 | 12 | Claimed | |
| U1 | USHER | Samuel | 1888 | Eng | Scotsman | 1899 | 11 | Unclaimed | |
| U1 | USHER | Sarah | 1895 | Eng | Megantic | 1914 | 19 | Unclaimed | |
| U1 | USHER | Thomas | 1856 | Eng | Caspian | 1871 | 15 | Unclaimed | |
| U1 | UTTERIDGE | Amelia | 1864 | Eng | Texas | 1879 | 15 | Unclaimed | |
| U1 | UTTLEY | Joseph | Thomas | 1890 | Eng | Tunisian | 1901 | 10 | Claimed |