It was shown on an Argentine government chart of 1950; the name "Isla Guido Spano" appears on a 1957 chart and is for Carlos Guido Spano [es] (1829–1918), a famous Argentine poet.
[1] This article incorporates public domain material from "Guido Island".
Geographic Names Information System.
United States Geological Survey.
This Wilhelm Archipelago location article is a stub.