Meaghan is an Irish feminine given name, derived from the Irish name Máighín, which is itself a diminutive of Máire, the Irish form of Mary. It has been used in Ireland since the 18th century and gained popularity in English-speaking countries during the mid-20th century. The name is often spelled Megan or Meghan as well, reflecting its phonetic pronunciation.
"Meaghan was a popular baby girl name in 1989 with 7 births that year."