Mary Catherine Smith 
(13 JUN 1923-)
| +---Samuel Langley
| +---William Langley (1793-JAN 1851)
| | +---Sarah Talbot
| +---William Langley (ABT 1821-FEB 1891)
| | | +---Edward Dyson
| | +---Sarah Dyson (ABT 1785-SEP 1860)
| | +---Jane ?
| +---William Langley (31 AUG 1851-FEB 1916)
| | +---Mary Ann ? (ABT 1827-MAY 1886)
+---Mabel Edith Ella Langley (16 DEC 1883-)
+---Louisa ?