Digression-
Hussein was the name of the grandson of Mohammad and became a very common Muslim surname. It is meaningless with regard to relationships (except within a closely related group (e. g. Hashemite Kings of Jordan, Almanach de Gotha). A news reporter often seen on BBC is Michal Hussein, whose family is from Pakistan.

Because Obama's father was Muslim, he is regarded as Muslim by Muslims, regardless of his church selection. Bariki is Arabic, meaning blessing or blessed, modified in Swahili to Baraka; also a widespread name.