[1] Due to his health, still impaired by the mustard gas attack, he emigrated to New Zealand in 1927 where he lived in Hastings gaining work as a rubber vulcaniser.

Lyon joined the Labour Party in 1928 and was elected a member of the Hastings Borough Council and Napier Harbour Board in 1929 before moving to Auckland in 1931.

[3] Lyon contested the Hawkes Bay electorate in the 1928 election, but was beaten by the incumbent, Hugh Campbell of the Reform Party.

[6] His interest in monetary reform led him to become part of a small group of backbenchers that assisted Walter Nash, the Minister of Finance, along with Ormond Wilson and Arnold Nordmeyer.

[7] Lyon twice moved in caucus that the Bank of New Zealand be nationalised, but was ignored by Prime Minister Michael Joseph Savage who was opposed to the idea.

I realise more than ever how puerile some of our fights in caucus were and how ridiculous it was that most of our discussions took place in an atmosphere of distrust and suspicion and the comradeship of 1935 was allowed to be dissipated.