Meaning A girl's name of Finnish origin, it means "Finnish form of Gertrude." Origin of Kerrttu Finnish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Kerrttu Similar Names Gertie Mijam Jaakkina Saara Kaija Kaisa Kirsti Katri Kerttu Kyllikki Year by Year Popularity of Kerrttu