The Gulo family name was found in the USA between 1880 and 1920. The most Gulo families were found in and the USA in 1880 and the USA in 1920. In 1880 there were 9 Gulo families living in Ohio. This was 100% of all the recorded Gulo's in the USA. Ohio had the highest population of Gulo families in 1880.
Right time and Ohio is near Canada. I know I'm reaching, but it's witty and it works, and it is 'odd' enough (?) that he would not have revealed it.
They come form many countries, not just Italy, and some of them went to Canada instead. Ok, I'm done. I know it's not going to happen, but I so would have done this for obvious reasons that actually work.