Frederick married Mary Ann Goodman between 1 Oct 1849 and 31 Dec 1849 in Northampton District, Northamptonshire, England. Mary (daughter of Thomas Goodman and Ann Atkins) was born about 1828 in Hartwell, Northamptonshire, England; died between 1 Jan 1907 and 31 Mar 1907 in Northampton District, Northamptonshire, England. [Group Sheet]

1. Eliza Renee Backlock was born between 1 Jul 1850 and 30 Sep 1850 in Northampton, Northamptonshire, England; died between 1 Jul 1877 and 30 Sep 1877 in Northampton District, Northamptonshire, England.
2. Bessie Ann Backlock was born between 1 Oct 1852 and 31 Dec 1852 in Northampton, Northamptonshire, England; died between 1 Apr 1934 and 30 Jun 1934 in Northampton District, Northamptonshire, England.
3. Jane Backlock was born between 1 Jul 1855 and 30 Sep 1855 in Northampton, Northamptonshire, England; died after 1901.
4. Emma Jane Backlock was born between 1 Oct 1861 and 31 Dec 1861 in Northampton, Northamptonshire, England; died between 1 Jul 1877 and 30 Sep 1877 in Northampton District, Northamptonshire, England.
5. Mary Susan Backlock was born between 1 Jul 1864 and 30 Sep 1864 in Northampton, Northamptonshire, England; died after 1881.
6. George Backlock was born between 1 Apr 1867 and 30 Jun 1867 in Northampton, Northamptonshire, England; died between 1 Jan 1941 and 31 Mar 1941 in Northampton District, Northamptonshire, England.
7. Florence Backlock was born between 1 Jul 1871 and 30 Sep 1871 in Northampton, Northamptonshire, England; died after 1891.