In the 1881 Wales census 1 Charles Thomas Houses, Gelligaer, Glamorgan, Wales.
Head John Jones, age 30, coal miner and barber, born Mynyddislwyn, Monmouth.
Wife Mary A. Jones, age 26, born Bedwellty, Monmouth.
Son Edmund W. Jones, age 7, scholar, born Gelligaer, Glamorgan.
Daughter Emily Jones, age 5, scholar, born Gelligaer.
Daughter Mary A. Jones, age 3, born Gelligaer.
Son Cosslett, Jones, age under 8 months, born Gelligaer.

In the 1901 Wales census Teurfa?, Cross Row, Dukestown, Tredegar, Monmouthshire.
Head Thomas Thomas, age 32, railway signalman, born Banphangel Talyllyn, Breconshire.
Wife Emily Thomas, age 25, born Bargoad, Glamorgan [Bargoad is about 1.5 miles from Gelligaer.].
Son John Trevor Thomas, age 4, born Hawtybuch, Breconshire.
Daughter Lilian Mary Thomas, age 2, born Hawtybuch, Breconshire.

In the 1911 census 8 Cross Row, Scwrfa, Tredegar, Breconshire, Wales
Head Thomas Thomas, age 42, railway guard, born Talyllyn, Breconshire
Wife Emily Thomas, age 35, married 15 years, 7 children born alive - all still living, born Barged, Glamorganshire
Son John Trevor Thomas, age 14, coal miner’s assistant (below), born ?????, Breconshire
Daughter Annie Isabel Thomas, age 8, born Dukestown, Breconshire
Son Gwlym James Thomas, age 4, born Dukestown
Son Thomas Llewellyn Thomas, Age 4, born Dukestown
Son Idris Walter Thomas, age 2, born Dukestown
Son Edgar Coslett Thomas, age 1, born Dukestown

In the 1921 census 3 Glanboney Street, Dukestown, Breconshire, Wales
Head Thomas Thomas, age 52 years 6 months, born Tallyllyn, Breconshire, Railway Guard, - L N W Railway Co., Tredegar
Wife Emily Thomas, age 45 years 9 months, born Bargoad, Glamorganshire
Son John Trevor Thomas, age 24 years 5 months, single, born ????? Breconshire. Miner
Daughter Liliam Mary Thomas, age 23 years 1 month, single, born ????? Breconshire, shop assistant - Lipton’s Ltd, Tredegar
Daughter Annie Isabel Thomas, age 18 years 9 months, single, born Scwrfa, Breconshire, school teacher -Glanbury Schools
Son Gwilym James Thomas, age 14 years 10 months, parents both alive , born Scwrfa, miner
Son Thomas Llewellyn Thomas, age 14 years 10 months, parents both alive, born Scwrfa, apprentice to ???? - Jones Brother, Bargoad
Son Idris Walter Thomas, age 12 years 9 months, born Scwrfa, whole time at school
Son Edgar Coslett Thomas, age 11 years 5 months, born Scwrfa, whole time at school
Son David Stanley Thomas, age 9 years 4 months, born Scwrfa, whole time at school