Contributed by Janice Rice
| NAME | Year | County | City | Death | Birth | Certificate# |
| JACK, OVA | 1944 | Jefferson | ROBERTS | 1/29/1944 | 02/17/1899 | 137886 |
| JACKSON, MARTHA PERRY | 1947 | Jefferson | ROBERTS | 5/8/1947 | 03/04/1866 | 153573 |
| JACOBSON, BARRY LYLE | 1947 | Jefferson | HAMER | 5/1/1947 | 11/5/1942 | 153572 |
| JANSON, | 1947 | Jefferson | RIGBY | 1/17/1947 | 1/16/1947 | 151979 |
| JARDINE, HAROLD ADRIN | 1950 | Jefferson | LEWISVILLE | 3/26/1950 | 12/28/1902 | 1041 |
| JARDINE, MARY ARROWSMITH | 1951 | Jefferson | LEWISVILLE | 4/16/1951 | 09/09/1876 | 1381 |
| JEFFS, GEORGE HENRY | 1946 | Jefferson | RIGBY | 2/27/1946 | 12/28/1864 | 147783 |
| JEMMETT, NELLIE | 1936 | Jefferson | TERRYTON | 5/16/1936 | 07/26/1865 | 99259 |
| JENKINS, HANNAH CATHERINE | 1948 | Jefferson | LORENZO | 11/27/1948 | 11/02/1873 | 4605 |
| JENKINS, MABEL | 1949 | Jefferson | LABELLE | 2/23/1949 | 1/24/1915 | 617 |
| JENKINS, RONALD BRUCE | 1937 | Jefferson | RIGBY | 1/20/1937 | 1/7/1936 | 102421 |
| JENSEN, ANDERS | 1938 | Jefferson | RIGBY | 7/2/1938 | 02/09/1854 | 109858 |
| JENSEN, BRENDA RAE | 1947 | Jefferson | RIGBY | 5/16/1947 | 5/27/1945 | 153576 |
| JENSEN, CAROLINE | 1940 | Jefferson | GARFIELD | 11/16/1940 | 09/04/1865 | 121622 |
| JENSEN, ERASTUS PRICE | 1939 | Jefferson | HAMER | 7/19/1939 | 1/23/1903 | 115018 |
| JENSEN, OLOF | 1951 | Jefferson | RIGBY | 8/30/1951 | 10/05/1885 | 3073 |
| JIMENEZ, JORGE JIMENEZ | 1945 | Jefferson | RIRIE | 7/28/1945 | | 144522 |
| JOHNSON, ANNA MARIE NIELS | 1945 | Jefferson | MENAN | 4/30/1945 | 01/25/1879 | 143553 |
| JOHNSON, CHARLES HENRY | 1937 | Jefferson | RIGBY | 3/12/1937 | 09/30/1869 | 103396 |
| JOHNSON, CHARLES EZRA | 1946 | Jefferson | RIGBY | 3/4/1946 | 02/14/1897 | 147386 |
| JOHNSON, FLOYD | 1951 | Jefferson | RIGBY | 6/8/1951 | 09/08/1892 | 2245 |
| JOHNSON, FLOYD E. | 1939 | Jefferson | ROBERTS | 5/18/1939 | 09/16/1875 | 114423 |
| JOHNSON, GEORGE LEM | 1951 | Jefferson | ROBERTS | 4/20/1951 | 07/06/1870 | 1383 |
| JOHNSON, GERALD D. | 1938 | Jefferson | RIRIE | 4/11/1938 | 4/5/1938 | 109430 |
| JOHNSON, LESTER R. | 1950 | Jefferson | RIGBY | 12/15/1950 | 05/23/1895 | 4534 |
| JOHNSON, MICHEL CLEON | 1949 | Jefferson | RIGBY | 8/3/1949 | 7/31/1949 | 2828 |
| JOHNSON, ROBERT B. | 1941 | Jefferson | JEFFERSON COUNT | 3/24/1941 | 11/6/1921 | 123650 |
| JOHNSTON, HELEN NADINE | 1950 | Jefferson | RIGBY | 12/16/1950 | 12/15/1950 | 4535 |
| JONES, ANNIE | 1939 | Jefferson | RIGBY | 8/12/1939 | 07/03/1866 | 115391 |
| JONES, EDWARD A. | 1939 | Jefferson | RIGBY | 2/25/1939 | 01/22/1864 | 112830 |
| JONES, HARRIET ALICE | 1945 | Jefferson | RIGBY | 10/17/1945 | 10/01/1871 | 145849 |
| JONES, HENRY WARDEN | 1946 | Jefferson | MENAN | 6/18/1946 | 11/03/1885 | 149157 |
| JONES, IBRA V PARKS | 1947 | Jefferson | RIGBY | 5/15/1947 | 06/09/1871 | 153575 |
| JONES, JOSEPH WILSON | 1946 | Jefferson | MENAN | 3/24/1946 | 11/11/1857 | 147999 |
| JONES, SHARI MARIE | 1950 | Jefferson | RIGBY | 2/15/1950 | 2/15/1950 | 633 |
| JONES, SARAH EADIE | 1945 | Jefferson | MENAN | 1/18/1945 | 08/11/1875 | 142321 |
| JONES, STILLBORN | 1936 | Jefferson | RIGBY | 8/10/1936 | 8/10/1936 | 100055 |
| JONES, WILLIAM J. | 1950 | Jefferson | RIGBY | 2/12/1950 | 09/11/1896 | 632 |
| JOYNES, ROBERT PRICE | 1936 | Jefferson | HOMER | 8/2/1936 | 7/8/1913 | 100058 |
| JUAREZ, LORITO | 1938 | Jefferson | RIGBY | 2/23/1938 | 9/8/1905 | 108214 |
| KEELE, EMELIE ROXIE | 1936 | Jefferson | RIGBY | 1/20/1936 | 11/07/1877 | 97040 |
| KELLER, | 1936 | Jefferson | CLARK | 11/25/1936 | 11/25/1936 | 101386 |
| KELLER, | 1939 | Jefferson | LABELLE | 7/13/1939 | 7/13/1939 | 115225 |
| KELLER, CATHERINE J. E. | 1937 | Jefferson | RIGBY | 10/24/1937 | 08/14/1879 | 106984 |
| KELLER, EILA MAY | 1937 | Jefferson | LORENZO | 5/24/1937 | 5/19/1937 | 105032 |
| KELLER, STILLBORN | 1936 | Jefferson | RIGBY | 2/13/1936 | 2/16/1936 | 97519 |
| KELLER, STILLBORN | 1938 | Jefferson | RIGBY | 4/9/1938 | 4/9/1938 | 109025 |
| KELLEY, EATHEL MARGUERITE | 1943 | Jefferson | RIGBY | 8/12/1943 | 2/12/1900 | 135305 |
| KENDALL, JOHN HYRUM | 1945 | Jefferson | ROBERTS | 11/6/1945 | 07/25/1872 | 146240 |
| KENNINGTON, LYDON | 1937 | Jefferson | RIGBY | 7/18/1937 | 7/18/1937 | 105431 |
| KEPPNER, JOSEPH | 1939 | Jefferson | LEWISVILLE | 11/24/1939 | 11/11/1876 | 116523 |
| KER, EDWARD KINGSTON | 1939 | Jefferson | RIRIE | 9/1/1939 | 11/28/1861 | 115629 |
| KERSHAW, STILLBORN | 1938 | Jefferson | RIGBY | 6/9/1938 | 6/9/1938 | 109853 |
| KIHOE, EDWARD JEFFERSON | 1945 | Bingham | BLACKFOOT | 8/29/1945 | 03/13/1874 | 144961 |
| KILLIAN, ANDREW | 1949 | Jefferson | HAMER | 11/25/1949 | 07/09/1877 | 3984 |
| KILLIAN, KATHLEEN KAY | 1938 | Jefferson | RIRIE | 5/8/1938 | 2/5/1923 | 109431 |
| KILLIAN, MARIE ANN | 1941 | Jefferson | RIRIE | 3/30/1941 | 8/31/1936 | 123651 |
| KILLIAN, MARY ANN | 1944 | Jefferson | CAMAS | 6/2/1944 | 01/31/1880 | 139195 |
| KIMBALL, CLISTA FLORENCE | 1944 | Jefferson | RIRIE | 5/19/1944 | 08/26/1854 | 139064 |
| KINGHORN, EMMA | 1944 | Jefferson | RIGBY | 5/9/1944 | 12/25/1860 | 139063 |
| KINGHORN, GEORGE | 1936 | Jefferson | RIGBY | 7/7/1936 | 12/13/1860 | 99264 |
| KINGHORN, JOSEPH LELAND | 1944 | Jefferson | POPLAR | 6/5/1944 | 04/14/1897 | 139196 |
| KINGHORN, NANCY JANE | 1946 | Jefferson | RIGBY | 2/3/1946 | 12/20/1870 | 147596 |
| KINGHORN, JANE | 1951 | Jefferson | RIGBY | 11/4/1951 | 12/05/1876 | 4276 |
| KINNEY, ROBERT HUGH | 1939 | Jefferson | RIGBY | 7/27/1939 | 12/22/1877 | 115227 |
| KITE, GEORGE WILLIAM | 1946 | Jefferson | RIGBY | 5/1/1946 | 10/21/1875 | 148788 |
| KLEPFER, SIMEON JEFFERSON | 1944 | Kootenai | COEUR D'ALENE | 2/1/1944 | 02/10/1872 | 138046 |
| KREUTZER, AUGUST | 1951 | Jefferson | RURAL ROBERTS | 10/20/1951 | 03/17/1884 | 3912 |
| KRUPP, ELIZABETH MARY | 1951 | Jefferson | RIGBY | 6/21/1951 | 01/28/1872 | 2250 |
| KRUPP, IRA JOHN | 1936 | Jefferson | LORENZO | 1/17/1936 | 2/14/1929 | 97041 |
| KRUPP, JOHN | 1945 | Jefferson | RIGBY | 12/29/1945 | 08/15/1861 | 146690 |
| KUNTER, AUGUST HENRY | 1949 | Jefferson | RIRIE | 5/4/1949 | 09/03/1880 | 1699 |
| LAKE, LYMAN JAMES | 1937 | Jefferson | RIGBY | 5/30/1937 | 06/21/1863 | 103993 |
| LAKE, GEORGE | 1947 | Jefferson | ROBERTS | 12/2/1947 | 10/16/1863 | 156339 |
| LAKE, STILLBORN | 1940 | Jefferson | RIGBY | 2/5/1940 | 2/5/1940 | 118257 |
| LARNA, MARY HELEN | 1947 | Jefferson | LABELLE | 5/31/1947 | 7/20/1921 | 153581 |
| LARSEN, MARGARET | 1936 | Jefferson | MENAN | 5/2/1936 | 5/2/1936 | 98841 |
| LATER, MARY EMILY | 1945 | Jefferson | RIGBY | 3/23/1945 | 10/20/1875 | 143136 |
| LEE, HENRY | 1951 | Jefferson | RIGBY | 4/12/1951 | 04/24/1872 | 1380 |
| LEE, LUCY ELIZABETH | 1940 | Jefferson | RIGBY | 2/15/1940 | 10/27/1871 | 117876 |
| LEE, MICHAEL CHRISTIAN | 1947 | Jefferson | RIGBY | 5/16/1947 | 12/28/1871 | 153577 |
| LEMMON, ANNIE SHEPHERD | 1950 | Jefferson | RIGBY | 10/18/1950 | 12/26/1886 | 3796 |
| LEMMON, OLIVER EARNEST | 1943 | Jefferson | RIGBY | 6/23/1943 | 12/21/1875 | 134333 |
| LESSEY, TRUMAN | 1949 | Jefferson | RIGBY | 5/30/1949 | 03/05/1874 | 1704 |
| LEWIS, EARL BEAUMONT | 1942 | Jefferson | MENAN | 8/12/1942 | 11/23/1891 | 130366 |
| LEWIS, EDWARD JOHN | 1948 | Jefferson | MENAN | 9/26/1948 | 05/18/1866 | 3388 |
| LEWIS, GEORGE ARTHUR | 1947 | Jefferson | RIGBY | 11/23/1947 | 06/29/1882 | 155949 |
| LEWIS, HARRIET TUTTLE | 1937 | Jefferson | RIGBY | 8/6/1937 | 8/6/1937 | 105433 |
| LEWIS, HUBBARD TUTLE | 1937 | Jefferson | RIGBY | 8/6/1937 | 8/6/1937 | 105434 |
| LEWIS, ROBERT JEFFERSON | 1946 | Bannock | POCATELLO | 1/16/1946 | 1/23/1923 | 146924 |
| LINDSAY, ROSE ELLEN | 1942 | Jefferson | RIRIE | 12/6/1942 | 02/22/1872 | 132028 |
| LINDSAY, WILLIAM | 1951 | Jefferson | RIGBY | 5/23/1951 | 05/18/1870 | 3067 |
| LINDSEY, DOYLE JAMES | 1944 | Jefferson | RIGBY | 10/29/1944 | 10/29/1944 | 140985 |
| LISTER, MARGARET E. | 1939 | Jefferson | RIGBY | 2/9/1939 | 12/17/1864 | 113080 |
| LINDSTROM, JOHN MAURITZ | 1950 | Jefferson | RURAL LEWISVILL | 10/23/1950 | 01/15/1891 | 3799 |
| LINDSTROM, MATILDA | 1948 | Jefferson | LEWISVILLE | 3/27/1948 | 06/08/1863 | 1045 |
| LINDSTROM, REVA LORENA | 1948 | Jefferson | LEWISVILLE | 6/3/1948 | 10/15/1918 | 2210 |
| LISTER, GEORGE RUBEN | 1950 | Jefferson | RURAL CLARK | 3/14/1950 | 10/05/1869 | 1040 |
| LIVERMORE, LEROY KINGSFOR | 1951 | Jefferson | MENAN | 7/29/1951 | 11/17/1882 | 2648 |
| LOCKE, FRANK LESLIE | 1940 | Jefferson | RIRIE | 6/1/1940 | 03/26/1854 | 119395 |
| LORDS, JOSEPH CHARLES | 1945 | Jefferson | LEWISVILLE | 2/6/1945 | 05/26/1866 | 142745 |
| LOWDER, MARGARET ANGLA | 1936 | Jefferson | RIGBY | 2/27/1936 | 12/13/1935 | 97517 |
| LOWE, WILLIE DICK | 1948 | Jefferson | RIGBY | 7/28/1948 | 7/28/1948 | 3034 |
| LOWRY, ELLEN | 1943 | Jefferson | RIGBY | 1/21/1943 | 07/18/1858 | 132223 |
| LOWRY, WILLIAM BROWN | 1943 | Jefferson | RIGBY | 9/2/1943 | 12/21/1857 | 135460 |
| LLOYD, WILLIAM | 1941 | Jefferson | RIGBY | 11/15/1941 | 02/17/1852 | 126734 |
| LOYND, BERTIE LEONA | 1949 | Jefferson | RIGBY | 7/28/1949 | 04/05/1882 | 2445 |
| LOYND, DARWIN DELROY | 1939 | Jefferson | RIGBY | 3/31/1939 | 3/30/1939 | 113534 |
| LUFKIN, ALICE ANN | 1945 | Jefferson | ANNIS | 7/28/1945 | 11/20/1876 | 144717 |
| LUFKIN, GEORGE TOWNSEND | 1949 | Jefferson | RURAL ANNIS | 5/19/1949 | 06/02/1876 | 1702 |
| LUFKIN, JOHN TOWNSEND | 1937 | Jefferson | ANNIS | 8/24/1937 | 01/21/1853 | 105800 |
| LUFKIN, MARION ACQUILLA | 1949 | Jefferson | ANNIS | 6/29/1949 | 04/21/1892 | 2103 |
| LUND, ALVIN MORONI | 1940 | Jefferson | RIGBY | 4/12/1940 | 01/09/1881 | 118697 |
| LUNDQUIST, JOHANNAH MATIL | 1941 | Jefferson | LABELLE | 7/4/1941 | 07/21/1866 | 125211 |
| LUNDQUIST, JOHN ROY | 1939 | Jefferson | LABELLE | 1/12/1939 | 12/23/1938 | 112645 |
| LUSK, WILLIAM JEFFERSON | 1943 | Oneida | MALAD CITY | 6/24/1943 | 03/25/1865 | 134644 |
| LUSK, VIRGINIA MAY | 1938 | Jefferson | ROBERTS | 4/23/1938 | 3/3/1938 | 109024 |
| LYMAN, DANIEL RASMUS | 1939 | Jefferson | RIGBY | 4/15/1939 | 05/08/1890 | 113996 |