The spelling of the word "lasley" may seem unusual at first glance, but it is actually a variant of the more common surname "Leslie". The correct pronunciation of "lasley" is /ˈlæz.li/, with emphasis on the second syllable. The "s" replaces the "th" in "Leslie" and the "a" replaces the "e". This variation may have originated as a regional dialect. Regardless of spelling, the name is still pronounced the same and signifies a family lineage with Scottish roots.