« Reply #1 on: Monday 16 June 14 17:49 BST (UK) »
Hi Anita
Assuming you are talking about England & Wales, adoption as we know it (the legal process) was introduced by a 1926 Act of Parliament which came into force in 1927.
Before that it was an informal process and very often no records exist at all. In some cases there may be records from a workhouse or religious institution or intermediary showing the placing of a child, but they are rare. Very often children were placed with relatives or others known to the family.
If you can find births for the children it can help you to work out whether it is likely to be a completely informal "adoption" (e.g. within extended family) or whether there may be a trail to follow. Finding the birth will generally only be possible if the child has retained the birth name to a greater or lesser extent.
Ayr: Barnes, Wylie
Caithness: MacGregor
Essex: Eldred (Pebmarsh)
Gloucs: Timbrell (Winchcomb)
Hants: Stares (Wickham)
Lincs: Maw, Jackson (Epworth, Belton)
London: Pierce
Suffolk: Markham (Framlingham)
Surrey: Gosling (Richmond)
Wilts: Matthews, Tarrant (Calne, Preshute)
Worcs: Milward (Redditch)
Yorks: Beaumont, Crook, Moore, Styring (Huddersfield); Middleton (Church Fenton); Exley, Gelder (High Hoyland); Barnes, Birchinall (Sheffield); Kenyon, Wood (Cumberworth/Denby Dale)