• Eglwysilan
• Gelligaer
• Llanfabon
• Merthyr Tydfil
• Rudry
• Whitchurch

• Houses - 8,549 inhabited, 199 uninhabited, 131 being built
• Population - 24,712 male, 21,047 females (total of 45, 759)
• Under 20 years of age - 10,365 males, 9,776 females.
• 20 years and upwards - 14,347 males, 11,271 females.
• Born in Glamorgan - 13,968 males, 13,405 females (total of 27,373)
  18,386 born elsewhere :-
  • Elsewhere in England or Wales - 9,796 males, 7,151 females.
  • Scotland - 68 males, 21 females.
  • Ireland - 725 males, 403 females.
  • British Colonies - 1 male, 1 female.
  • Foreigners and British Subjects born in Foreign Parts - 45 males, 24 females.
  • Not Specified - 109 males, 42 females.

The following parishes make up the hundred of Cowbridge :-

In 1841, the population of the entire hundred of Cowbridge can be summarised as:

• Houses - 1,255 inhabited, 57 uninhabited, 6 being built
• Population - 2,884 male, 3,111 females (total of 5, 995)
• Under 20 years of age - 1,344 males, 1,409 females.
• 20 years and upwards - 1,540 males, 1,702 females.
• Born in Glamorgan - 2,631 males, 2,885 females (total of 5,516) 
  479 born elsewhere :-
  • Elsewhere in England or Wales - 225 males, 210 females.
  • Scotland - 2 males.
  • Ireland - 21 males, 12 females.
  • Foreigners and British Subjects born in Foreign Parts - 1 male, 2 females.
  • Not Specified - 4 males, 2 females.

• Houses - 1,146 inhabited, 47 uninhabited, 7 being built
• Population - 2,868 male, 2,869 females (total of 5, 737)
• Under 20 years of age - 1,294 males, 1,264 females.
• 20 years and upwards - 1,574 males, 1,605 females.
• Born in Glamorgan - 2,609 males, 2,632 females (total of 5,241)
  496 born elsewhere :-
  • Elsewhere in England or Wales - 228 males, 210 females.
  • Scotland - 14 males, 4 females.
  • Ireland - 11 males, 9 females.
  • Foreigners and British Subjects born in Foreign Parts - 1 male, 4 females.
  • Not Specified - 5 males, 10 females.

• Houses - 2,272 inhabited, 59 uninhabited, 51 being built
• Population - 6,498 male, 6,212 females (total of 12, 710)
• Under 20 years of age - 2,626 males, 2,666 females.
• 20 years and upwards - 3,872 males, 3,546 females.
• Born in Glamorgan - 3,770 males, 4,030 females (total of 7,800)
  4,910 born elsewhere :-
  • Elsewhere in England or Wales - 2,019 males, 1,690 females.
  • Scotland - 80 males, 34 females.
  • Ireland - 567 males, 423 females.
  • British Colonies - 1 male.
  • Foreigners and British Subjects born in Foreign Parts - 70 males, 23 females.
  • Not Specified - 43 males, 24 female.

• Houses - 3,079 inhabited, 180 uninhabited, 62 being built
• Population - 7,811 male, 7,771 females (total of 15, 582)
• Under 20 years of age - 4,091 males, 3,961 females.
• 20 years and upwards - 3,720 males, 3,810 females.
• Born in Glamorgan - 6,470 males, 6,710 females (total of 13,180)
  2,402 born elsewhere :-
  • Elsewhere in England or Wales - 1,308 males, 1,046 females.
  • Scotland - 7 males, 3 females.
  • Ireland - 20 males, 6 females.
  • Foreigners and British Subjects born in Foreign Parts - 1 male
  • Not Specified - 5 males, 6 females.

• Houses - 3,138 inhabited, 196 uninhabited, 27 being built
• Population - 8,730 male, 7,659 females (total of 16, 389)
• Under 20 years of age - 4,010 males, 3,637 females.
• 20 years and upwards - 4,720 males, 4,022 females.
• Born in Glamorgan - 6,833 males, 6,309 females (total of 13,142)
  3247 born elsewhere :-
  • Elsewhere in England or Wales - 1,764 males, 1,267 females.
  • Scotland - 15 males, 5 females.
  • Ireland - 88 males, 53 females.
  • Foreigners and British Subjects born in Foreign Parts - 6 males, 7 females.
  • Not Specified - 24 males, 18 females.

• Houses - 3,576 inhabited, 169 uninhabited, 72 being built
• Population - 9,701 male, 9,047 females (total of 18, 748)
• Under 20 years of age - 4,595 males, 4,358 females.
• 20 years and upwards - 5,106 males, 4,689 females.
• Born in Glamorgan - 7,195 males, 7,406 females (total of 14,601)
  4,147 born elsewhere :-
  • Elsewhere in England or Wales - 2,140 males, 1,549 females.
  • Scotland - 21 males, 11 females.
  • Ireland - 90 males, 42 females.
  • Foreigners and British Subjects born in Foreign Parts - 19 males, 13 females.
  • Not Specified - 236 males, 26 females.

• Houses - 3,037 inhabited, 151 uninhabited, 73 being built
• Population - 8,428 male, 7,779 females (total of 16, 207)
• Under 20 years of age - 3,917 males, 3,661 females.
• 20 years and upwards - 4,511 males, 4,118 females.
• Born in Glamorgan - 6,721 males, 6,629 females (total of 13350)
  2,857 born elsewhere :-
  • Elsewhere in England or Wales - 1,530 males, 1,035 females.
  • Scotland - 13 males, 6 females.
  • Ireland - 124 males, 70 females.
  • Foreigners and British Subjects born in Foreign Parts - 12 males, 5 females.
  • Not Specified - 28 males, 34 females.

• Houses - 817 inhabited, 57 uninhabited, 7 being built
• Population - 1,958 male, 1,994 females (total of 3, 952)
• Under 20 years of age - 928 males, 934 females.
• 20 years and upwards - 1,030 males, 1,060 females.
• Born in Glamorgan - 1,828 males, 1,849 females (total of 3,677)
  275 born elsewhere :-
  • Elsewhere in England or Wales - 85 males, 112 females.
  • Scotland - 8 males.
  • Ireland - 24 males, 16 females.
  • Foreigners and British Subjects born in Foreign Parts - 1 males.
  • Not Specified - 12 males, 17 females.

• Houses - 5,852 inhabited, 353 uninhabited, 94 being built
• Population - 14,279 male, 15,830 females (total of 30, 109)
• Under 20 years of age - 6,804 males, 7,072 females.
• 20 years and upwards - 7,475 males, 8,758 females.
• Born in Glamorgan - 10,552 males, 12,327 females (total of 22,879)
  7230 born elsewhere :-
  • Elsewhere in England or Wales - 3,178 males, 3,169 females.
  • Scotland - 58 males, 31 females.
  • Ireland - 266 males, 204 females.
  • British Colonies - 1 male.
  • Foreigners and British Subjects born in Foreign Parts - 71 males, 20 females.
  • Not Specified - 153 males, 79 females.