Pat Horton of England writes that:
William Ballard was baptised on 9 April 1798 at St. Phillip's Church, Warwickshire. William worked as a brass founder and as a gun lock filer.
He married Mary Ann Mellin on 10 November 1823 at Aston Juxta, Birmingham.
Paul Ballard (website - http://www.paul-ballard.com/) records that:
"William1 Ballard1 was baptized in 1798 at Birmingham, Warwickshire, England.2 He married Mary Mellin on 10 Nov 1823 at Aston Juxta Birmingham, Wawickshire, England.3 He and Mary Mellin appeared on the census of 6 Jun 1841 at Mount Street, Birmingham, Warwickshire, England.5 He and Mary Mellin appeared on the census of 30 Mar 1851 at 28 Mount Street, Birmingham, Warwickshire, England.6 He and Mary Mellin appeared on the census of 7 Apr 1861 at 110 Hope Street, Birmingham, Warwickshire, England.7 He appeared on the census of 2 Apr 1871 in the household of John Ballard and Sarah Unknown at 73 Barford Street, Birmingham, Warwickshire, England.8
Endnotes:
1. 6 June 1841 UK National Census, Kew, London, England, HO 107 The National Archive. [3x.x.].
2. 6 June 1841 UK National Census, Kew, London, England, HO 107 The National Archive. [3.12.].
3. 6 June 1841 UK National Census, Kew, London, England, HO 107 The National Archive. [.....]; International Genealogical Index (IGI) . [2222.].
4. 6 June 1841 UK National Census, Kew, London, England, HO 107 The National Archive. [.....].
5. William Ballard; aged 45; brassfounder; born in Warwickshire
Mary Ballard; aged 45; born in Warwickshire
William Ballard; aged 15; born in Warwickshire
John Ballard; aged 15; born in Warwickshire
George Ballard; aged 14; born in Warwickshire
Jane Ballard; aged 10; born in Warwickshire;
6 June 1841 UK National Census, Kew, London, England, HO 107, HO107/1148/13 folio 24 page 10. [33333].
6. William Ballard; head; married; aged 53; Gun Lock Filer; born Birmingham, Warwickshire
Mary Ballard; wife; married; aged 58; born Walsall, Staffordshire
Jane Ballard; daur; single; aged 19; Hook Eye Maker; born Aston, Warwickshire
John Ballard; grandson; aged 5; born Aston, Warwickshire
+ 1 lodger;
30 March 1851 UK National Census, Kew, London, England, HO107 The National Archive, HO107/2060 folio 340 page 33. [33333].
7. William Ballard; head; married; aged 63; Gun Lock Filer & Shop Keep; born Birmingham, Warwickshire
Mary Ballard; wife; married; aged 67; born Walsall, Staffordshire
John Drew; grandson; single; aged 15; Ivory & Bone Turner; born Birmingham, Warwickshire;
7 April 1861 UK National Census, Kew, London, England, RG9 The National Archive, RG9/2140 folio 66 page 31. [33333].
8. 2 April 1871 UK National Census, Kew, London, England, RG10 The National Archive, RG10/3104 folio 79 page 37. [33333].