Mary's, Province of Canada – September 1, 1938) was a Canadian politician.
He was elected to the House of Commons of Canada in the 1930 election as a Member of the historical Conservative Party for the riding of Brandon.
He was re-elected in 1935.
Beaubier ran in the elections of 1925 and 1926 but lost both to Robert Forke.
Prior to his federal political experience, he was a Lieutenant-Colonel during World War I in which he led the 181st Battalion, CEF into England in 1916.