The name Okkervil appeared in the 17th century, after the Swedish colonel who owned an estate on the bank. On some ancient maps of Saint Petersburg, the river is called Little Okhta (Russian: Малая Охта) as opposed to Big Okhta. Yet other times it is called Porkhovka (Russian: Порховка).
^Helena Goscilo Fruits of Her Plume: Essays on Contemporary Russian 1317470036... 2015- Page 67 "Tolstaia's “Okkervil River,” one of her most poetic stories, about a man's dream ... the limit of the world poetically embodied in the “Okkervil River” (which actually exists in Leningrad/St. Petersburg) can be "