I actually have information on two of the children of Thomas Aitken/ Agnes Downs:
John Aitken married Agnes Gardner 1881, Slamannan.
Marriage record: John Aitken 26, Hillhead Torpichen. Parents, Thomas Aitken/ Agnes Downs. Agnes Gardner 32, Crossroads. Parents, John Gardner/ Margaret Ronaldson. Witnesses, Thomas McDonalds, Maggie Storrie.
They had the following children in Slamannan: Thomas 1882; Mary 1884; Agnes 1892.
Paix Hole farm is between Avonbridge to the north east and the farm of Dalquhain to the west.
In the 1861 census: Thomas Aitken 50, Paix Hole Slamannan; Agnes (Downs) Aitken 47 ; Thomas 11; Agnes 10; Margaret 9; John 7.
In the 1871 census: John Aitken 15, Edinburgh; working as a message boy for Helen Porteous 51.
In the 1871 census: Agnes Gardner 24, Crossroads Slamannan; John Gardner 64; Margaret 66;
Margaret Stone 7 (granddaughter); Robert Carlisle 10m (grandson).
In the 1881 census: John Aitken 26, labourer, Slamannan; Agnes Aitken (wife) 32; John Gardner 74 (father-in-law); Robert Carlisle 10.
In the 1891 census: John Aitken 36, carter, Linn Mill Cottages Torpichen; Agnes 42; Robert Carlisle 20 (stepson); Thomas Aitken 9; Mary Aitken 7.
In the 1901 census: John Aitken 46, carting contractor, Slamannan; Agnes 52; Thomas 19; Agnes 9.
Lilias Aitken married Robert Gardner 1864, Slamannan.
Marriage record: Robert Gardner 27, blacksmith, Crossroads Slamannan. Parents, John Gardner/
Margaret Ronaldson. Lilias Aitken 19, Avonbridge. Parents, Thomas Aitken/ Agnes Downs. Witnesses, William Gardner, Robert McDonald.
They had the following children in Slamannan: John 1866 (Jane Paterson 1893); Thomas 1868 (Jessie Boyd 1894); Robert 1869; Agnes Downs Gardner 1871 (Michael MacKinnon 1896); William 1873; Margaret 1875; Lilias 1876; Elizabeth 1877; Janet 1879.
In the 1871 census: Robert Gardner 33, blacksmith, Denny; Lilias 36; John 5; Thomas 3; Robert 2; Agnes D Gardner 5m.
In the 1881 census: Robert Gardner 43, blacksmith, Slamannan; Lilias 36; John 15; Thomas 13; Robert 12; Agnes 10; William 8; Margaret 6; Lilias 5; Elizabeth 3; Janet 1.
In the 1891 census: Robert Gardner 53, farmer, Redhall farm Slamannan; Lilias 46; John 25; Thomas 23; Robert 22; Agnes 20; William 18; Margaret 16; Lilias 14; Elizabeth 13; Janet 11.
In the 1901 census: Robert Gardner 63, farmer, Redhall farm Slamannan; Lilias 56; Robert 32; William 28; Lilias 25; Elizabeth 23; Janet A 21.
Redhall is 2km south-east of Slamannan.