Maidie is of Scottish origin and means "maiden" or "girl". It was traditionally used as a nickname for Margaret, but has since become a given name in its own right. Maidie is also a name found among the Scottish Travellers, where it is often spelled 'Mady'.
The name Maidie experienced varying popularity over the years, with a noticeable peak in usage between 1907 and 1928. The name's highest point of popularity was reached in 1917 and 1919 with ten births each year. However, by 1935, its use had significantly declined, with only five girls named Maidie born that year. Overall, the name Maidie has been given to a total of 156 newborn girls across the recorded years.