Mary Catherine Thomas was the daughter of David Tennent Thomas and Ann Williams.

Mary was born around 1887 in Burry Port, Carmarthenshire, Wales.

The places where she lived have been identified as:

From	To	Place	Source of Information
1887	1891	Burry Port, Carmarthenshire, Wales.	Note 1.
1891		7 Pemberton Avenue, Pembrey, Carmarthenshire.	Note 2.
1901		Woodlands, Gowerton, Glamorganshire, Wales.	Note 3.
1911		27, The Grove, Uplands, Swansea, Glamorganshire, Wales.	Census Data.

Mary was a Post Office Telephone Operator.

Details of Mary's death are not known.

Notes - Sources of information:

1.	Mary's birthplace and birthplace of her brothers John and James.
2.	See 1891 Census.
3.	See 1901 Census.

Census Data:

Year	Address
1891	7 Pemberton Avenue, Pembrey, Carmarthenshire.
1901	Woodlands, Gowerton, Glamorganshire, Wales.
1911	27, The Grove, Uplands, Swansea, Glamorganshire, Wales.