The name Alleigh is of Irish origin, derived from the ancient Gaelic name 'Alastair', which means 'hero'. It is a unique and elegant choice for a first name, offering a distinctive sound while still being recognizable and approachable.
The name Alleigh peaked in popularity between 2005 and 2012, with a high of 43 births recorded in 2012. However, its usage has been declining since then, with only 6 births reported in 2023.