Ernest Pollock (November 25, 1861 - October 22, 1936) succeeded Thomas Berridge as the fourth Member of Parliament for Warwick and Leamington, serving between 1910 and 1923, including the whole of 1915.
Herbert James Craig succeeded Frederick Leverton Harris as the third Member of Parliament for Tynemouth, serving between 1906 and 1918, including the whole of 1915.
William Brocklehurst Brocklehurst succeeded William Bromley-Davenport as the third sole Member of Parliament for Macclesfield, serving between 1906 and 1918, including the whole of 1915.
Charles Thomas Mills (March 13, 1887 - October 6, 1915) succeeded Frederick Dixon-Hartland as the second Member of Parliament for Uxbridge, serving between 1910 and his death. Following the end of Mills' term as Member of Parliament for Uxbridge, Arthur Mills (October 13, 1891 - December 5, 1952) became the third Member of Parliament for Uxbridge, serving between 1915 and 1918.
Charles Fenwick (May 5, 1850 - April 20, 1918) served as the first Member of Parliament for Wansbeck, serving between 1885 and 1918, including the whole of 1915.
George Bentham (1863 - October 31, 1929) succeeded Alexander Renton as the seventh Member of Parliament for Gainsborough, serving between 1910 and 1918, including the whole of 1915.
Barnet Kenyon (1950 - February 20, 1930) succeeded James Haslam as the fourth Member of Parliament for Chesterfield, serving between 1913 and 1929, including the whole of 1915.
Robert Ratcliff (1867 - January 19, 1943) succeeded Sydney Evershed as the third Member of Parliament for Burton, serving between 1900 and 1918, including the whole of 1915.
Maurice Levy (1859 - August 26, 1933) succeeded Edward Johnson-Ferguson as the fourth Member of Parliament for Loughborough, serving between 1900 and 1918, including the whole of 1915.
Henry Barnston (December 1870 - February 22, 1929) succeeded Arthur Stanley as the third Member of Parliament for Eddisbury, serving between 1910 and 1929, including the whole of 1915.
Alfred Bigland (1855 - February 7, 1936) succeeded Henry Harvey Vivian as the seventh Member of Parliament for Birkenhead, serving between 1910 and 1918, including the whole of 1915.
Henry Hibbert (April 4, 1850 - November 15, 1927) succeeded David Lindsey as the third Member of Parliament for Chorley, serving between 1913 and 1918, including the whole of 1915.
Robert Pearce (January 15, 1840 - September 29, 1922) succeeded Arthur Heath as the sixth Member of Parliament for Leek, serving between 1910 and 1918, including the whole of 1915.