Related Name Family Tree for the element "maith"

matis Old Celtic (word)	mad Old Welsh (word)	Matauc m Old Welsh (given name)	Madoc m Welsh (Rare) (given name)	Maddox Welsh	Maddox m English (Modern) (given name)
			Madog m Welsh (Rare) (given name)
	maith Old Irish (word)

síd Old Irish (word) + maith Old Irish (word)		Síthmaith f Old Irish (using element)		Síomha f Irish (Rare) (given name)