Crikey, I see he married Mary Ann Smith in Sunderland, 1910, and there is a newspaper article in July 1911 about a William Turner aged 21 of Sunderland charged with attempted murder of his 5 1/2 month old child.
Checking the prison records the child was Elizabeth Ellen Turner:
TURNER, ELIZABETH ELLEN mmn SMITH - 1911 M Quarter in SUNDERLAND Volume 10A Page 675
Pleaded guilty, got 2 months hard labour
