LLEWELLYN: Old Welsh for "ruling." Just look at a map of Wales to see some truly astonishing arrangements of letters into names. Namesake: Richard Llewellyn.
LLOYD: Old Welsh for "gray-haired." Relative: Floyd. Namesakes: David Lloyd George, Lloyd Bentsen, Andrew Lloyd Webber, Floyd Patterson.
LOCKE: Old English for "stronghold." According to some sources, Robin Hood's real name was Locksley, probably in homage to the town where he was born. Relatives: Lockhart, Locksley, Loch (Scottish for "lake"). Namesake: John Locke.
LOGAN: Scottish Gaelic for "little hollow" and a clan name. A sturdy name for a boy or girl. Namesakes: Josh Logan, Logan Airport.
LON: Irish Gaelic for "fierce." Relatives: Lonn, Lonnie, Lonny, Loni. Namesakes: Lon Chaney, Loni Anderson.
LORELEI: German for "from the Rhine River" or a mythological siren. Lorelei was originally a name given to a formation of treacherous rocks that jutted into the Rhine, making navigation particularly hazardous at that point. A nineteenth-century poet wrote of a woman named Lorelei who was atop the cliff and, with her siren songs, led ships to their doom. Namesake: "Lorelei Lee."
LORRAINE: From the Old German for "where Lothar dwells." Relatives: Loraine, Lorayne, Lorry, Lorrie, Loretta, Lorette, Lorne, Lorna, Lori. Namesakes: Loraine Newman, Loretta Lynn, "Lorna Doone," "Sweet Lorraine," quiche Lorraine.
LOUIS: Old German for "famed warrior." Louis, the name of French kings, may be pronounced "Lewis" or "Loo-ee." But chances are he will always be Lou. Relatives: Lewis, Lewes, Luis, Louie, Lewie, Lou, Lew, Lu, Ludwig, Ludvig, Luigi, Lodovico, Luthias, Llewellyn, Clovis. Namesakes: Saint Louis, Louis Pasteur, Louis Armstrong, Louis Brandeis, Louis Jourdan, Luis Bunuel, Lu Blue, Louisville (Ky.), Saint Louis (M0.)