The name Diarmaid is a boy's name of Irish origin meaning "free man". Diarmaid and is often added to lists like Mythological Baby Names for Boys and discussed in our forums with posts like "Sibset makeover game! B/G pairs".
From the experts:
This authentic form of the name of an Irish mythological hero with the power to make women fall instantly in love with him would work far better here as the Anglicized Dermot.