Nelson B Delavan Foundation Nelson B Delavan Foundation Chicago, IL EIN: 166260274 Tax returns This funder has supported nonprofits interested in arts and culture, libraries, history, education, literacy, fraternal, children and youth and .Grants have gone to organizations in the following Upstate communities: Auburn Aurora Branchport Clyde Elmira Geneva Interlaken Lodi Lyons Macedon Newark Ovid Rochester Romulus Seneca Falls Trumansburg Waterloo