Sources |
- [S1692545207] Ros Davies, Welcome to Ros Davies' Co. Down, Northern Ireland Family History Research Site, William Joyce of Ballynahinch, County Down.
- [S1692545893] David Joyce, Jim Joyce , Joss/Joyce SNP Family Tree, (Joss Joyce Family Association), The Big Y-700 tree for the Joss/Joyce Family.
- [S1699590438] David C. Joyce, Origin Theory of Valentine Joyce (b. 1700) of Ballydonaghy, County Armagh, (Joss/Joyce Family Association), Origins of the Joss/Joyce Family of Ballydonaghy, County Armagh.
- [S1699910370] Evan McConnell Joyce-Ellis, Jim Joyce, David C. Joyce, Origins of the Ulster-Scots Joyce (Joss) Surname, (Joss/Joyce Family Association), Origins of the Ulster-Scots Joyce (Joss) Surname in Northern Ireland.
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