Merriman was born in
Knutsford,
Cheshire, and educated at
Winchester College. He did not go to university, but became an
articled clerk with a firms of
solicitors in
Manchester, and later studied for the bar, and was a pupil in
Gordon Hewart's chambers. He was
called to the bar at the
Inner Temple in 1904. During
World War I, he served with the
Manchester Regiment and was appointed
OBE in 1918. After the war, Merriman was made a
King's Counsel (KC) in 1919, and appointed
Recorder of Wigan in 1920. Merriman had a large practice at the common law bar and on the
Northern Circuit. Prominent cases in which he appeared include the 1927 libel case
Wright v Gladstone, which arose of defamatory statements concerning the private life of former prime minister
William Ewart Gladstone. In 1929, he represented Zionist organisations in front of the
Shaw Commission, appointed to investigate the
Palestine riots. ==Political and judicial career==