William married Amy Amelia Hawkins on 5 Oct 1907 in Woolwich District, Kent, England. Amy (daughter of Albert Hawkins and Mary Ann Inwood) was born on 17 Mar 1889 in Enfield Lock, Middlesex, England; died on 11 Sep 1974 in Greenwich District, Kent, England; was buried on 18 Sep 1974 in Woolwich Cemetery, Kent, England. [Group Sheet]

1. Amelia Mason was born about 1908 in Woolwich, Kent, England; died after 1911.
2. William Ernest Mason was born between 1 Jan 1910 and 31 Mar 1910 in Bootle, , Lancashire, England; died after 1911.
3. Agnes Louise Mason was born between 1 Jan 1911 and 31 Mar 1911 in Bootle, , Lancashire, England; died after 1911.
4. Amy A. Mason was born between 1 Jan 1913 and 31 Mar 1913 in West Derby District, Lancashire, England; died in Unknown.
5. Living
6. Harry Mason was born on 18 Feb 1921 in West Derby District, Lancashire, England; died after 1939.
7. Living
8. Living
9. Leonard Mason was born on 14 Dec 1928 in West Derby District, Lancashire, England; died after 1939.