Her father's birth year is a mere estimate. His name is from her marriage record in "England Marriages 1538-1973" on FindMyPast.
Ω Birth
No apparent birth record on FindMyPast in Sep 2015. Its list shows probable family in the 1841 and 1851 censuses in the same town.
Year estimated from her age in the 1901 census. Place from that same census.
¢ Children
Emily was born in Essex, Mary in Weston, Suffolk, the others in Middlesex. These are partly the children in the 1871 and 1881 census; there could be others not present on the night in that household (in Wiston Mill House, Nayland, Sudbury, Suffolk in 1871 and 171 Bergholt Road, Colchester Lexden in 1881). See Talk:Joseph Houlton (1790-1861) for some details, but they should be moved to more specific talk pages.
Emily married Joseph Alfred Piggott (-1944) in May 1889; they lived at Tunbridge Wells and she died 4 months after him; their only child, Arthur Alfred, born 18 October 1891, was killed in action in WW1.
George was in the South African Constabulary, earned a Boer War Medal, and died in a riding accident.