- Livingston, Tamara1
- Livingston, Tamara Elena (1963-)1
- Livingston, Tamara Elena, 1963-1
- Logan, Belle West1
- Losee, Hayes, 1905-1
- Loudermilk (Marietta, Ga.)1
- Loudermilk Studio (Marietta, Ga.)1
- Loudermilk, G.R. (Marietta, Ga.)1
- Lowe, Marie Newton, 1919-20081
- Lowe, Susan Victoria1
- Lozie, Bullock, 1895-19581
- Luckett, Robert E.1
- M & O Distributors1
- Maddaus Water Management1
- Mallard, R. Q. (Robert Quarterman), 1830-19041
- Malloy, Mike1
- Marietta Book Store1
- McAllister, Taylor1
- McClatchey family1
- McCrary & Co. (Marietta, Ga.)1
