Nationalist Senators Thomas Givens and Sir William Glasgow were not up for re-election.
Nationalist Senators Benjamin Benny, John Newland and Victor Wilson were not up for re-election.
Nationalist Senators George Foster, John Millen and Herbert Payne were not up for re-election.
Nationalist Senators Harold Elliott, James Guthrie and Edward Russell were not up for re-election.
Nationalist Senators Edmund Drake-Brockman, Patrick Lynch and George Pearce were not up for re-election.