Movement of British Settlers into Ulster in the 17th Century

by William Macafee (Guild member)

(This article was originally published in Familia: Ulster Genealogical Review, no. 8 (1992))

The aim of this paper is to examine the movement of British settlers into Ulster during the seventeenth century and their spread throughout the province. The first part of the paper discusses the sources which are available to reconstruct the numbers at various times throughout the century.

The second part of the paper considers the various phases of colonisation between 1600 and 1700 looking at the numbers involved, why they came, and where they settled. Table 1 gives details of the numbers of Scottish and English households in each of the nine counties of Ulster during the 1660s and Table 2 gives estimates of Ulster’s population, particularly the British component, at various times throughout the period.

Table 1 - British Population in Ulster by County, 1630-1660s

Households 1630

County English Scots Total
Antrim 159 665 824
Armagh 354 108 462
Cavan 296 123 419
Donegal 204 430 634
Down 553 1570 2123
Fermanagh 242 244 486
Londonderry 677 288 965
Monaghan - - -
Tyrone 298 460 758
Total 2783 3888 6671


Households 1660s

County English Scots Total
Antrim 2903 5512 8415
Armagh 865 212 1077
Cavan - - -
Donegal 416 1237 1653
Down - - 2973
Fermanagh - - 818
Londonderry 1069 703 1772
Monaghan 177 47 224
Tyrone 337 842 1179
Total 5767 8553 18111

English and Scots have been identified by surname. Since there are some names which could be either Scots or English, the division can only be approximate.

SOURCES: The 1630 figures are based on the Muster Rolls. These list adult males and these have been converted to households by dividing them by 2.0. The 1660 figures are based on the Hearth Money Rolls, except Down and Fermanagh.

The latter are based on S. Pender, A Census of Ireland circa 1659, Dublin, 1939. In the case of the 1659 census the household figures were obtained by dividing the number of adults by 2.2

Table 2 - Population Estimates for Ulster and Ireland, 1600-1712

Year British Irish Ulster Total Ireland Total
1600 - 180000? 180000? 1100000?
1630 40000* 200000? 240000? -
1670 120000** 230000** 350000** -
1687 - - 1700000+ -
1712 270000+ 330000+ 6000000+ 2200000+

* These figures are based on the Muster Rolls for circa 1630

** These figures are based on the Hearth Returns for the 1660s and Pender's Census circa 1659.

+ These figures are based on the Hearth Returns.

Figure 1 - Province of Ulster: Settlement of Scottish and English Undertakers during the Seventeenth Century

Figure 1 - Province of Ulster: Settlement of Scottish and English Undertakers during the Seventeenth Century

Figure 2 - Province of Ulster: Counties and Baronies

Figure 2 - Province of Ulster: Counties and Baronies