Mary Thomas was the daughter of John Thomas and Mary Bowen.

Mary was born around 1810 in Carmarthenshire, Wales.

Mary married John Clement on Friday 9 September 1825 in Llanelly, Carmarthenshire, Wales.

She had the following children from her marriage to John Clement:

- Mary Clement	born on 12 August 1829 in Copperworks, Llanelly, Carmarthenshire, Wales.
- Ann Clement	born around 1832.
- John Clement	born around 1833 in Carmarthenshire, Wales.
- William Clement	born around 1835 in Llanelly, Carmarthenshire, Wales.
- George Clement	born on 9 November 1841 in Wern, Llanelly, Carmarthenshire, Wales.
- Rachel Clement	born on 19 April 1844 in Seaside, Llanelly, Carmarthenshire, Wales.
- Walter Clement	born around 1846 in Poulton cum Seacombe, Wallasey, Cheshire.
- Susannah Clement	born around 1848 in Poulton cum Seacombe, Wallasey, Cheshire.
- David Clement	born around 1851 in Llanelly, Carmarthenshire, Wales.

The places where she lived have been identified as:

From	To	Place	Source of Information
1810		Carmarthenshire.	Note 1.
1825	1841	Llanelly, Carmarthenshire, Wales.	Note 2.
1841		Columbia Row, Wern, Llanelly, Carmarthenshire, Wales.	Note 3.
1841		Wern, Llanelly, Carmarthenshire, Wales.	Note 4.
1844		Seaside, Llanelly, Carmarthenshire, Wales.	Note 5.
1846	1851	Copper Works, Poolton cum Seacombe, near Birkenhead, Cheshire.	Notes 6 & 7.
1861	1891	34 Burry Street, Llanelly, Carmarthenshire, Wales.	Notes 8, 9, 10 & 11.
1899		10 Burry Street, Seaside, Llanelly, Carmarthenshire, Wales.	Note 12.

Mary died on Thursday 14 December 1899 in 10, Burry Street, Seaside, Llanelly, Carmarthenshire, Wales.   The cause of her death was Senility and Asthenia.   Rosetta Rees, her grand-daughter, was present at her death and was the informant of her death.

Her age on the death certificate was stated to be 80.

Notes - Sources of information:

1.	See 1851 Census. Mary's birthplace.
2.	Christenings of her children Mary, Ann and John.
3.	See 1841 Census.
4.	Birth Certificates of her son George.
5.	Birth Certificates of her daughter Rachel.
6.	See 1851 Census.
7.	See 1851 Census. Walter and Susanna's birthplace.
8.	See 1861 Census.
9.	See 1871 Census.
10.	See 1881 Census.
11.	See 1891 Census.
12.	Death Certificate.

Census Data:

Year	Address
1841	Columbia Row, Wern, Llanelly, Carmarthenshire, Wales.
1851	Copper Works, Poolton cum Seacombe.
1861	34 Burry Street, Llanelly, Carmarthenshire, Wales.
1871	34 Burry Street, Llanelly, Carmarthenshire, Wales.
1881	34 Burry Street, Llanelly, Carmarthenshire, Wales.
1891	34 Burry Street, Llanelly, Carmarthenshire, Wales.