Frederick Zadok Rooker was the first American Bishop of the Roman Catholic Diocese of Jaro in the Philippines, from 12 June 1903 until his death on 18 September 1907.
He was born in New York City, on 19 September 1861, son of a journalist and night editor of the New York Tribune Myron Holley Rooker, who married Margaret Coleman.
As a boy, he attended public school in Albany, New York.
Later, he studied civil engineering and Latin at the Union College in Schenectady, New York.