Detailed biography: Organist and composer in St. Petersburg; he had a brother, Louis Homilius, also a composer (of organ music e.g.)
Not to be confused with his father, Friedrich Christian Homilius (German Wikipedia link), horn player and Russian-German composer, born on October 15 (?), 1813, in Saxony and deceased in 1902 in Saint Petersburg (Russia). (french-horn.net (in German))