1821 Census of Ireland, Abstracts of the Answers and Returns Made pursuant to an Act of the United Parliament, passed in the 55th Year of the Reign of His Late Majesty George the Third, Intituled, "An Act for taking an Account of the Population of Ireland, and for ascertaining the Increase or "Diminution thereof.": Preliminary Observations. Enumeration Abstract. Appendix., Table [2] : " Ages of Persons".

List for top level	Down	List for Ireland Dep

click on unit name for its home page If appears click for more detailed statistics		Ages of Persons
		5 and Under. [1]	5 To 10. [2]	10 To 15. [3]	15 To 20. [4]	20 To 30. [5]	30 To 40. [6]	40 To 50. [7]	50 To 60. [8]	60 To 70. [9]	70 To 80. [10]	80 To 90. [11]	90 To 100. [12]	100 and Upwards. [13]	Unascertained. [14]	TOTAL. [15]
Down IrlC Total		49,344	41,946	38,988	36,646	56,511	34,906	26,709	20,031	12,910	5,263	1,325	166	13	652	325,410
Ardes IrlBarony		6,557	5,389	4,901	4,237	6,811	4,620	3,472	2,387	1,698	735	208	36	4	87	41,142
Castlereagh IrlBarony		8,797	7,520	6,887	6,129	9,775	6,112	4,428	3,347	2,216	957	248	28	3	82	56,529
Dufferin IrlBarony		1,359	1,181	1,043	980	1,652	1,003	688	527	433	169	57	7	1	25	9,125
Iveagh Lower IrlBarony		9,071	7,739	7,395	6,869	10,608	6,265	4,904	3,566	2,425	976	262	16	1	233	60,330
Iveagh Upper IrlBarony		11,311	9,733	8,861	8,988	12,860	7,812	6,270	4,872	2,952	1,164	248	35	4	45	75,155
Kinelarty IrlBarony		2,853	2,512	2,372	2,155	3,308	2,038	1,629	1,299	762	297	78	8	0	16	19,327
Lecale IrlBarony		4,612	3,934	3,775	3,622	5,819	3,636	2,790	2,136	1,212	494	137	25	0	150	32,342
Mourne IrlBarony		2,081	1,696	1,643	1,588	2,550	1,488	1,121	820	537	224	41	5	0	10	13,804
Newry Lordship Of IrlBarony		2,703	2,242	2,111	2,078	3,128	1,932	1,407	1,077	675	247	46	6	0	4	17,656

Comments:

1	This table provides data for all Provinces, Counties and Baronies, but Parishes were included only wirhin Cities.

Click on the triangles for all about a particular number.

This website does not try to provide an exact replica of the original printed census tables, which often had thousands of rows and far more columns than will fit on our web pages. Instead, we let you drill down from national totals to the most detailed data available. The column headings are those that appeared in the original printed report. The numbers presented here, which are the same ones we use to create statistical maps and graphs, come from the census table and have usually been carefully checked.

The system can only hold statistics for units listed in our administrative gazetteer, so some rows from the original table may be missing. Sometimes big low-level units, like urban parishes, were divided between more than one higher-level units, like Registration sub-Districts. This is why some pages will give a higher figure for a lower-level unit: it covers the whole of the lower-level unit, not just the part within the current higher-level unit.

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