In Terlincthun British Cemetery, Wimille, France is the Commonwealth War Grave of 220729 Air Mechanic First Class Sidney Leach Ruddick, serving with the 204th Squadron Royal Air Force who died 06/11/1918.

In Gateshead East Cemetery is a family headstone which is difficult to read:

In
Loving memory
of
Jane Johnson cie
21st Dec. 1923, aged 73 years

Also Thomas
husband of the above
died ? ? 19–
aged ?86 years.

also
Mech Sidney Leach Ruddick,
R.A.F.
son-in-Law died in France
6th Nov. 1918 Aged 26 years.

Also
?Catherine —son—- daughter of the above
died 7th Apr ?1969
aged 78 years

The peace of God
Which passeth all understanding.

Acknowledgments: Geordie at War Project

Sidney Leach Ruddick is remembered in Gateshead on G39.003, G39.004 page 93 and G39.025