In the 1841 census for Erith I found a family that would seem to fit, the only difference is the surname is spelt MACKIE:
HO107/482/11
Thomas Mackie 45 Bricklayer Phoebe Mackie 40 (not born in Kent) Thomas Mackie 20 LAB Jane Mackie 15 Elizabeth Mackie 15 Sarah Mackie 12 (not born in Kent) William Mackie 10 (not born in Kent) Phoebe Mackie 8 Ann Mackie 6 Eliza Mackie 4 Robert? Mackie 8months
I couldn't find any other MACKEY/MACKIE families in 1841 Erith. Hope this helps, millerina
Hi Jim, Here's the family in 1851, (minus Phoebe who must have left home ) ref HO107 1607a folio 198: No address (the next page is Back Lane), Erith Thomas Mackey head mar age 54 brick maker born Erith Phebe do wife mar age 50 born Newington, Surrey Sarah do dau age 21 born Crayford William do son age 19 brick maker born Middx Clapton Eliza do dau age 12 scholar born Crayford Robert do son age 10 scholar born Erith Harriet do dau age 8 born do
also spotted on the 1841 census: ref HO107 482-11 folio 10: Erith Ann Mackie age 70 Mathew do age 40 labourer both born in county (living next door to Thomas and Phebe, so could be related) xx Carol
Logged
WINTON in Sussex & Kent; ALGER, ANTHONEY & MERCER in Rotherhithe, Surrey & Deptford, Kent; WHITBREAD in Shefford, Beds; KEELING in Yorks, Lincs & Leics; BLONK & SEASTRON in Sheffield, Yorks; BENNETT, MILLER, SUMMERS, BOSSLEY, WOULDHAM & SHOVLAR in Gravesend, Kent