Nathan Raw (August 2, 1866 - August 28, 1940) became the first Member of Parliament for Liverpool Wavertree, serving between 1918 and 1922, including the whole of 1921.
Harry Warden Stanley Chilcott (1871 - 1942) succeeded F. E. Smith as the fifth Member of Parliament for Liverpool Walton, serving between 1918 and 1929, including the whole of 1921.
William Reginald Hall (June 28, 1870 - October 22, 1943) succeeded Frederick Edwin Smith as the seventh Member of Parliament for Liverpool West Derby, serving between 1919 and 1923, including the whole of 1921.
Alfred Deakin Carter, the first Member of Parliament for Manchester Withington, served between 1918 and 1922, including the whole of 1921.
Bouverie McDonald (1861 - July 8, 1931), the first Member of Parliament for Wallasey, served between 1918 and 1922, including the whole of 1921.
Charles Percy succeeded Herbert James Craig as the fourth Member of Parliament for Tynemouth, serving between 1918 and 1922, including the whole of 1921.
Walter Smith (1872 - February 25, 1942) served as the first Member of Parliament for Wellingborough, serving between 1918 and 1922, including the whole of 1921.
Alfred Waterson (1880 - November 25, 1964) served as the first Member of Parliament for Kettering, serving between 1918 and 1922, including the whole of 1921.
Wilfrid William Ashley (1867 - July 3, 1939), the first Member of Parliament for Fylde, served between 1918 and 1922, including the whole of 1921.
Walter Waring (1876 - November 16, 1930) became the first Member of Parliament for Blaydon, serving between 1918 and 1922, including the whole of 1921.
George Alfred Spencer (1872 - November 21, 1957) served as the first Member of Parliament for Broxtowe, serving between 1918 and 1929, including the whole of 1921.
John Newman (August 22, 1871 - March 12, 1947) served as the first Member of Parliament for Finchley, serving between 1918 and 1923, including the whole of 1921.
Thomas Worsfold (Febary 14, 1861 - July 11, 1936) served as the first Member of Parliament for Mitcham, serving between 1918 and 1923, including the whole of 1921.