Tyasiah is of African origin, derived from the Yoruba name Tayisarah, meaning "There is none like God." It is pronounced /tahy-uh-see-yuh/.
"Tyasiah saw a steady increase from 5 to 6 births per year between 2004 and 2006, then leveled off with 5 births each year until 2008, totaling 27 births over these five years."