Lalor is an Irish surname derived from the Gaelic O Leathlobhair, meaning Half Leper. This is also the origin or the other variations in spelling of the name, O'Lawlor, Lawlor and Lawler. It is most commonly found around the midlands of Ireland especially County Laois, being one of the Seven Septs (Clans) of Leix (O'Lalors, O'Moores, O'Dowlings, O'Dorans, O'Devoys, O'Kellys, and McEvoys). It is not, as some people have claimed, of Norse origin. It can also refer to:
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