| Name | Meaning | Gender | Origin |
|---|
| Lincoln | Lake settlement, lake colony | Male | English |
| Lindsay | Uncertain, perhaps dark lake | Female | Gaelic |
| Livingston | Levin stone | Male | English |
| Locke | A locksmith | Female | English |
| Lorelei | Murmuring rock | Female | German |
| Lyle | Island | Male | French |
| Lyn | "A Cascade."Variants Include Lynn, Linn, Lynna, And Lynne. | Female | English |
| Lynn | Dwells By The Torrent | Female | English |
| Mackenzie | Son of Coinneach | Male | Gaelic |
| Manilla | There is nilad | Unisex | Tagalog |
| Mark | From the god Mars | Male | Latin |
| Marley | Pleasant wood | Female | English |
| Marlow | Drained lake | Male | English |
| Max | Little Maximus | Male | Latin |
| Maxwell | Maccus's stream | Male | English |
| Mel | Uncertain, possibly bad town | Unisex | English |
| Merton | Settlement by the lake | Unisex | English |
| Miriam | Uncertain, maybe bitter | Female | Hebrew |
| Mississippi | | Unisex | Hebrew |
| Mohawk | Native American Tribe Name | Male | Native American |
| Monroe | Mouth of the River Roe | Male | Gaelic |
| Mortimer | Dead sea | Male | French |
| Moses | Drawn out of the water | Male | Hebrew |
| Naida | As a water nymph | Female | Greek |
| Nairne | Dwells At The Alder Tree River | Female | English |
| Narmada | She who gives pleasure | Female | Sanskrit |
| Neda | Born on sunday | Female | Slovak |
| Nile | From The Nile | Female | Gaelic |
| Niles | People's Victory | Male | Gaelic |
| Oceana | Ocean | Female | Greek |