- Jack, Michael (Mr) September 17, 1946 -
- Jacks, William (Mr) 1841 - August 9, 1907
- Jackson, Francis (Mr) 1870 - March 9, 1947
- Jackson, Frank (Mr) June 12, 1919 - March 29, 1976
- Jackson, George (Mr) January 20, 1867 - January 29, 1925
- Jackson, George (Mr) December 6, 1921 - 1981
- Jackson, Glenda (Ms) May 9, 1936 -
- Jackson, Helen (Mrs) May 19, 1939 -
- Jackson, Henry (Mr) 1831 - 1881
- Jackson, Henry (Sir) 1875 - February 23, 1937
- Jackson, John (Mr) 1862 - November 25, 1937
- Jackson, John (Sir) December 30, 1763 - May 17, 1820
- Jackson, John (Sir) 1851 - December 14, 1919
- Jackson, Joseph (Mr) 1879 - April 26, 1938
- Jackson, Joseph (Mr) 1783 - 1857
- Jackson, Josias (Mr) June 28, 1765 - August 30, 1819
- Jackson, Margaret (Miss) January 15, 1943 -
- Jackson, Peter (Mr) October 14, 1928 -
- Jackson, Ralph (Mr) 1806 - 1880
- Jackson, Richard (Mr) 1850 - June 10, 1938
- Jackson, Robert (Mr) 1880 - January 28, 1951
- Jackson, Robert (Mr) September 24, 1946 -
- Jackson, Stewart (Mr) March 31, 1965 -
- Jackson, William (Mr) 1840 - April 4, 1917
- Jackson, William (Mr) 1893 - May 2, 1954
- Jackson, William (Sir) 1805 - 1876
- Jackson, Willis (Mr) October 29, 1904 - February 17, 1970
- Jacob, Albert (Mr) 1858 - February 26, 1929
- Jacob, Ebenezer (Mr) -
- Jacob, William (Mr) 1762 - December 17, 1851
- Jacobs, David (Mr) November 1, 1931 -
- Jacobsen, Thomas (Mr) 1864 - June 15, 1941
- Jacobson, Sydney (Mr) October 26, 1908 - August 13, 1988
- Jacoby, James (Sir) 1852 - June 23, 1909
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- Jaffray, John (Mr) - April 1, 1832
- Jagger, John (Mr) 1872 - July 9, 1942
- Jakobovits, Immanuel (Mr) February 8, 1921 - October 31, 1999
- James, Archibald (Wing Commander) 1893 - 1980
- James, Charles (Mr) 1817 - 1890
- James, Christopher (Mr) February 18, 1926 -
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- James, Cuthbert (Lieut-Colonel Hon.) 1872 - July 21, 1930
- James, David (Mr) 1919 - 1986
- James, Edward (Mr) - 1867
- James, Edwin (Mr) 1812 - 1882
- James, Eric (Mr) April 13, 1904 - May 16, 1992
- James, Frank (Mr) 1821 - 1924
- James, Graham (Mr) January 19, 1951 -
- James, Henry (Mr) 1828 - August 18, 1911
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- James, Phyllis (Ms) August 3, 1920 -
- James, Sîan (Ms) June 24, 1959 -
- James, Walter (Hon.) 1840 - January 27, 1923
- James, Walter (Sir) 1816 - 1893
- James, William (Admiral Sir) 1881 - August 17, 1973
- James, William (Mr) 1791 - 1861
- Jameson, John (Captain) 1878 - February 26, 1955
- Jameson, John (Mr) 1852 - December 22, 1919
- Jamieson, David (Mr) May 18, 1947 -
- Jamieson, Douglas (Mr) 1880 - May 31, 1952
- Janman, Tim (Mr) September 9, 1956 -
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- Janner, Barnett (Mr) 1892 - May 4, 1982
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- Jardine, Ernest (Mr) 1859 - April 26, 1947
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- Jardine, William (Mr) 1783 - February 27, 1843
- Jarrett, George (Mr) 1880 - December 6, 1960
- Jarvis, Alexander (Mr) 1855 - October 31, 1939
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- Jay, Douglas (Mr) March 23, 1907 - March 6, 1996
- Jay, Margaret (Ms) November 18, 1939 -
- Jebb, Hubert (Mr) April 25, 1900 - October 24, 1996
- Jebb, Miles (Mr) March 3, 1930 -
- Jebb, Richard (Professor) 1841 - December 8, 1905
- Jeffery, John (Mr) 1751 - May 18, 1822
- Jeffrey, Francis (Mr) 1773 - 1850
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- Jeffreys, Christopher (Mr) May 22, 1957 -
- Jeffreys, George (General Sir) 1878 - December 19, 1960
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- Jeffreys, Nathaniel (Mr) 1758 - March 3, 1810
- Jeger, George (Mr) March 19, 1903 - January 6, 1971
- Jeger, Lena (Mrs) November 19, 1915 -
- Jeger, Santo (Dr) 1898 - September 24, 1953
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- Jellett, William (Mr) 1857 - October 27, 1936
- Jellicoe, George (Mr) April 4, 1918 - February 22, 2007
- Jellicoe, John (Mr) December 5, 1859 - November 20, 1935
- Jenkin, Bernard (Hon.) April 9, 1959 -
- Jenkin, Patrick (Mr) September 7, 1926 -
- Jenkins, Arthur (Mr) 1884 - April 25, 1946
- Jenkins, Brian (Mr) September 19, 1942 -
- Jenkins, David (Mr) April 8, 1899 - April 6, 1969
- Jenkins, David (Mr) January 26, 1925 -
- Jenkins, David (Mr) 1824 - 1891
- Jenkins, Edward (Mr) 1838 - June 4, 1910
- Jenkins, Hugh (Mr) July 27, 1908 - January 26, 2004
- Jenkins, John (Mr) 1852 - 1936
- Jenkins, John (Sir) 1835 - July 27, 1915
- Jenkins, Richard (Mr) 1785 - 1853
- Jenkins, Robert (Mr) 1900 - June 25, 1978
- Jenkins, Roy (Mr) November 11, 1920 - January 5, 2003
- Jenkins, William (Mr) 1878 - October 23, 1968
- Jenkins, William (Sir) 1871 - December 8, 1944
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- Jenkinson, George (Sir) 1817 - 1892
- Jenkinson, Peter (Mr) November 24, 1741 - April 7, 1808
- Jenkinson, Robert (Mr) June 7, 1770 - December 4, 1828
- Jennings, John (Mr) 1903 - June 17, 1990
- Jennings, Louis (Mr) 1836 - 1893
- Jennings, Roland (Mr) 1894 - December 5, 1968
- Jephcott, Alfred (Mr) 1853 - March 14, 1932
- Jephson, Charles (Mr) 1799 - 1888
- Jephson, Denham (Mr) 1748 - May 9, 1813
- Jermyn, (Earl) 1800 - 1864
- Jermyn, (Earl) 1834 - August 7, 1907
- Jerningham, Henry (Hon.) 1802 - 1884
- Jerningham, Hubert (Mr) 1842 - April 23, 1914
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- Jessel, George (Sir) 1824 - 1883
- Jessel, Herbert (Colonel Sir) 1866 - November 1, 1950
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- Jesson, Charles (Mr) 1862 - September 21, 1926
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- Jeune, Francis (Mr) March 17, 1843 - April 9, 1905
- Jewson, Dorothy () 1884 - February 29, 1964
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- Jocelyn, (Viscount) 1816 - 1854
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- Jocelyn, John (Mr) 1769 - January 21, 1828
- Jocelyn, Robert (Mr) November 22, 1846 - January 9, 1880
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- John, Henry (Mr) March 30, 1820 - November 7, 1899
- John, Henry (Mr) March 6, 1786 - October 1, 1851
- John, Kenneth (Mr) March 22, 1927 -
- John, Vernon (Mr) March 15, 1896 - May 1, 1974
- John, William (Mr) 1878 - August 27, 1955
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- Johnes, Thomas (Mr) August 20, 1748 - April 23, 1816
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- Johnson, Boris (Mr) June 19, 1964 -
- Johnson, Carol (Mr) 1903 - 2000
- Johnson, Diana (Ms) July 25, 1966 -
- Johnson, Donald (Dr) 1903 - November 5, 1978
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- Johnson, John (Mr) 1829 - 1896
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- Johnson Smith, Geoffrey (Sir) April 16, 1924 -
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- Johnson, William (Mr) 1828 - December 9, 1918
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- Johnstone, George (Mr) -
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- Johnstone, Harcourt (Sir) 1829 - March 1, 1916
- Johnstone, James (Mr) 1801 - 1888
- Johnstone, John (Mr) 1850 - October 10, 1904
- Johnstone, John (Mr) 1796 - 1876
- Johnstone, John (Mr) 1842 - December 26, 1912
- Johnstone, John (Sir) 1799 - 1869
- Johnstone, John (Sir) 1783 - December 24, 1811
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- Johnstone, Percy (Mr) January 2, 1909 - April 5, 1983
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- Joicey, James (Sir) 1846 - November 21, 1936
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- Joicey-Cecil, John (Lord) 1867 - June 25, 1942
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- Jolliffe, William (Hon.) 1841 - January 19, 1912
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- Jones, Charles (Mr) 1872 - February 16, 1947
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- Jones, David (Mr) March 22, 1952 -
- Jones, David (Mr) 1899 - April 4, 1963
- Jones, David (Mr) 1810 - 1869
- Jones, David (Sir) 1852 - August 6, 1921
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- Jones, Elwyn (Sir) October 24, 1909 - December 4, 1989
- Jones, Evan (Mr) 1840 - January 16, 1920
- Jones, Evan (Sir) 1859 - April 20, 1949
- Jones, Fiona (Mrs) February 27, 1957 -
- Jones, George (Sir) 1874 - January 3, 1956
- Jones, Gilbert (Mr) 1758 - September 7, 1830
- Jones, Gwilym (Mr) September 20, 1947 -
- Jones, Gwynoro (Mr) November 21, 1942 -
- Jones, Helen (Ms) December 24, 1954 -
- Jones, Henry (Sir) 1863 - July 2, 1950
- Jones, Ieuan Wyn (Mr) May 22, 1949 -
- Jones, James (Mr) August 18, 1948 -
- Jones, James (Mr) 1900 - October 18, 1982
- Jones, Jenny (Ms) February 8, 1948 -
- Jones, John (Mr) 1777 - 1842
- Jones, John (Mr) 1873 - November 21, 1941
- Jones, John (Mr) 1894 - October 31, 1962
- Jones, John (Mr) 1815 - 1886
- Jones, Jon Owen (Mr) April 19, 1954 -
- Jones, Josiah (Mr) 1858 - November 16, 1925
- Jones, Kevan (Mr) April 25, 1964 -
- Jones, Leifchild (Mr) 1862 - September 26, 1939
- Jones, Lewis (Sir) 1884 - December 10, 1968
- Jones, Lynne (Dr) April 26, 1951 -
- Jones, Martyn (Mr) March 1, 1947 -
- Jones, Morgan (Mr) 1885 - April 23, 1939
- Jones, Nigel (Mr) March 30, 1948 -
- Jones, Philip (Mr) June 21, 1914 - October 23, 1978
- Jones, Robert (Mr) September 26, 1950 -
- Jones, Robert (Mr) 1874 - December 15, 1940
- Jones, Theobald (Mr) 1790 - 1868
- Jones, Thomas (Mr) 1879 - August 26, 1970
- Jones, Thomas (Mr) 1898 - November 18, 1984
- Jones, Thomas (Mr) September 1, 1765 - November 26, 1811
- Jones, Thomas (Sir) July 12, 1793 - October 5, 1839
- Jones, Walter (Mr) December 29, 1754 - 1839
- Jones, William (Mr) 1858 - May 24, 1934
- Jones, William (Mr) 1860 - May 9, 1915
- Jones, William (Mr) 1865 - October 20, 1921
- Jones, William (Sir) January 4, 1904 - July 4, 1989
- Jones, Willoughby (Sir) 1820 - 1884
- Jones, Wilson (Mr) 1795 - 1864
- Jones-Parry, Thomas (Mr) 1832 - 1891
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- Jordan, Jeremiah (Mr) 1830 - December 21, 1911
- Jordan, William (Mr) January 28, 1936 -
- Joseph, Keith (Mr) January 17, 1917 - December 10, 1994
- Joseph, Keith (Sir) January 17, 1918 - December 10, 1994
- Josse, Henri (Mr) 1828 - 1893
- Jowell, Tessa (Ms) September 17, 1947 -
- Jowett, Frederick (Mr) 1864 - February 1, 1944
- Jowitt, William (Sir) 1885 - August 16, 1957
- Joyce, Eric (Mr) October 13, 1960 -
- Joyce, Michael (Mr) 1854 - 1941
- Joynson-Hicks, Crispin (Mr) April 7, 1933 -
- Joynson-Hicks, Lancelot (Hon.) April 10, 1902 - February 25, 1983
- Joynson-Hicks, Richard (Mr) November 15, 1896 - June 27, 1958
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- Judd, Frank (Mr) March 28, 1935 -
14,855 people in total