He served in the Legislative Assembly of Manitoba from 1922 to 1941, and was a cabinet minister in the government of John Bracken.
[citation needed] The younger Griffiths was educated at South Wales College, and came to Canada in 1903.
[1] Prior to the 1932 election, the Progressive and Liberal parties formed an alliance to prevent the Conservatives from winning.
Griffiths was re-elected with a much increased majority, and was appointed to cabinet on May 28, 1935 as Minister of Health and Public Welfare.
[1] Narrowly returned over an Independent Labour Party candidate in the 1936 provincial election, Griffiths continued to serve in cabinet until the creation of an all-party coalition government in 1940.