Thomas Thornycroft was born in 1815.
Thomas Thornycroft died in 1885.
Helen Thornycroft was born in 1848.
Mary Thornycroft was born in 1814.
Hamo Thornycroft was born in 1850.
Theresa Thornycroft was born in 1853.
Guy Thornycroft was born in 1917.
John Edward Thornycroft was born in 1872.
John Isaac Thornycroft was born in 1843-02.
Helen Thornycroft died in 1937.
Mary Thornycroft died in 1895.
Hamo Thornycroft died in 1925.
Theresa Thornycroft died in 1947.