Charles Macnamara "Charlie" O'Brien (March 2, 1875 – February 23, 1952) was a Canadian socialist activist and politician in Alberta, Canada. He served in the Legislative Assembly of Alberta from 1909 to 1913.
Charles Macnamara "Charlie" O'Brien (March 2, 1875 – February 23, 1952) was a Canadian socialist activist and politician in Alberta, Canada. He served in the Legislative Assembly of Alberta from 1909 to 1913. (en)