| Name | Line | Page | District | Soundex
| Lake, Ammon | 68 | 8B | 231 | L200
| | Lake, Hazel | 69 | 8B | 231 | L200
| | Lake, Wilford E. | 70 | 8B | 231 | L200
| | Lamb, Agnes | 56 | 17B | 231 | L510
| | Lamb, Edwin R. | 15 | 1A | 232 | L510
| | Lamb, Hiram I. | 34 | 4A | 228 | L510
| | Lamb, Julia | 55 | 17B | 231 | L510
| | Lamb, Katie | 21 | 17A | 231 | L510
| | Lamb, Mark V. | 28 | 4A | 232 | L510
| | Lamb, Sherman | 54 | 17B | 231 | L510
| | Lammans, Alta V. | 86 | 5B | 229 | L552
| | Lammans, Carrie | 85 | 5B | 229 | L552
| | Lamoud, Joseph | 48 | 12A | 229 | L530
| | Lanb, Evelyan S. | 37 | 1A | 232 | L510
| | Lancaster, Amis E. B. | 53 | 10B | 231 | L522
| | Lang, Albert | 65 | 10B | 231 | L520
| | Lang, Perry B. | 60 | 10B | 23 | L520
| | Lang, R. Henry | 2 | 11A | 231 | L520
| | Langstan, Carl R. | 39 | 14A | 229 | L523
| | Langstan, Francis I. | 38 | 14A | 229 | L523
| | Langstan, Golen S. | 37 | 14A | 229 | L523
| | Langstan, Hazel | 41 | 14A | 229 | L523
| | Langstan, Matilla | 40 | 14A | 229 | L523
| | Langstan, Nancy | 36 | 14A | 229 | L523
| | Langston, Isacc H. | 75 | 1B | 229 | L523
| | Langston, William Jr. | 44 | 4A | 229 | L523
| | Langston, William R. | 87 | 4B | 229 | L523
| | Larson, Andrew H. | 56 | 7B | 230 | L625
| | Larson, Arron | 15 | 4A | 226 | L625
| | Larson, Charles W. | 39 | 7A | 231 | L625
| | Larson, James H. | 17 | 8A | 230 | L625
| | Larson, John M. | 22 | 4A | 226 | L625
| | Larson, Joseph W. | 39 | 4A | 230 | L625
| | Larson, Lars J. | 8 | 4A | 226 | L625
| | Larson, Nathan A. | 99 | 12B | 229 | L625
| | Larson, Wesley Reed | 34 | 22A | 231 | L625
| | Larson, Willard | 35 | 4A | 226 | L625
| | Latham, George L. | 54 | 7B | 230 | L350
| | Latham, Valena | 55 | 7B | 230 | L350
| | Laub, Charles A. | 24 | 9A | 231 | L100
| | Laub, Elisa | 53 | 5B | 231 | L100
| | Laub, Jacob L. | 54 | 5B | 226 | L100
| | Laub, John F. | 23 | 7A | 228 | L100
| | Laub, Marion W. | 46 | 6A | 228 | L100
| | Laub, Milton F. | 20 | 7A | 228 | L100
| | Laub, Raymond F. | 71 | 7B | 228 | L100
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