Des Plaines woman Magdalena Jablonska was ID'd as the person killed in a Fox River boat crash near South Fernwood Lane in McHenry. Des Plaines woman Magdalena Jablonska was ID'd as the person killed in a Fox River boat crash near South Fernwood Lane in McHenry. Des Plaines woman Magdalena Jablonska was ID'd as the person killed in a Fox River boat crash near South Fernwood Lane in McHenry. Des Plaines woman Magdalena Jablonska was ID'd as the person killed in a Fox River boat crash near South Fernwood Lane in McHenry. MCHENRY, Ill. (WLS) -- The woman killed in a Fox River boat crash over the weekend has been identified.