The name Matthilda is traditionally a girl's name. The meaning of Matthilda is 'mighty in battle'. Also, Matthilda has four syllables, and it's pronounced as Maa-TIY-LD-ah. In addition, Matthilda is another transcription of Mathilda, and it's associated with King Henry I of Germany, the first monarch of the Saxon Ottonian dynasty, who was married to Saint Mathilda. Another person the name is associated with is Mathilda May, a French film actress.