Modern invented name, likely a combination of Ty and Jah.
Tyjah is a contemporary American creation. It most likely blends the popular prefix 'Ty' with the suffix 'Jah', which is a shortened form of Yahweh used in various cultures and musical traditions. As a modern coinage, it does not have a singular historical etymology but is often chosen for its rhythmic sound.
Less common today
Tyjah isn't in the latest US Top 1000. It last peaked at #6,824 in 1999.
US births per 5-year period, 1990βpresent (SSA data).