Related Name Family Tree for the element "dess"

dess Old Irish (word) + Mumhain Irish (place name)	Deasmhumhain Irish (place name)	Deasumhain Irish (place name)	Deasún m Irish (given name)
		Desmond English (place name)	Desmond m English (given name)	Des m English (short form)
				Desi m English (diminutive)
				Dezi m English (Rare) (diminutive)
			Desmond m Irish (given name)
		Ó Deasmhumhnaigh Irish	Desmond Irish	Desmond m English (given name)	Des m English (short form)
					Desi m English (diminutive)
					Dezi m English (Rare) (diminutive)
				Desmond m Irish (given name)