I am trying to find out more about a William Alder who was born in Kelvedon Essex c. 1808 and also his mother, herchristian name was Sarah and she was born c.1776 in Middlesex. He married Mary Ann or Marianne Beaumont. They were living in Lambeth, Surrey on the 1841 - 1861 censuses. I am interested because my great great grandfather was also living with them on the 1841 and 1851 census. The 1851 census describes him as William Alder's cousin. His name was William Bushby and his father died when he was 2 in 1838, I don't know his mother's name or what happened to her. William Bushby later used the name William Alder Bushby. Both William Alder and William Bushby were tool handle makers.