In the 1841 census only, ages of those over the age of 15 were rounded off to the nearest 5 years.

The 1921 census will not be released until 2022.

1.  Place.
2a.  Houses:  Uninhabited or Building.
2b.  Houses:  Inhabited.
3.  Names of each Person who abode therein the preceding Night.
4a.  Age of Males.
4b.  Age of Females.
5.  Profession, Trade, Employment, of or Independent Means.
6a.  Where Born:  Whether Born in same County.
6b.  Where Born:  Whether Born in Scotland, Ireland, or Foreign Parts.

1.  No. of Householder's Schedule.
2.  Name of Street, Place, or Road, and Name or No. of House.
3.  Name and Surname of each Person who abode in the house, on the Night of the 30th March, 1851.
4.  Relation to Head of Family.
5.  Condition.
6a.  Age of Males.
6b.  Age of Females.
7.  Rank, Profession, or Occupation.
8.  Where Born.
9.  Whether Blind, or Deaf-and-Dumb.

  1.  No. of Schedule.
  2.  Road, Street, &c., and No. or Name of House.
  3a.  Houses: Inhabited.
  3b.  Houses: Uninhabited (U.) or building (B.).
  4.  Name and Surname of each Person.
  5.  Relation to Head of Family.
  6.  Condition.
  7a.  Age of Males.
  7b.  Age of Females.
  8.  Rank, Profession, or Occupation.
  9.  Where Born.
10.  Whether Blind, or Deaf-and-Dumb.

  1.  No. of Schedule.
  2.  ROAD, STREET, &c., and No. or NAME of HOUSE.
  3a.  HOUSES:  Inhabited.
  3b.  HOUSES:  Uninhabited (U.) or Building (B.).
  4.  NAME and Surname of each Person
  5.  RELATION to Head of Family.
  6.  CONDITION.
  7a.  AGE of:  Males.
  7b.  AGE of:  Females.
  8.  Rank, Profession, or OCCUPATION.
  9.  WHERE BORN.
10.  Whether

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1. Deaf-and Dumb 2. Blind 2. Imbecile or Idiot 4. Lunatic

  1.  No of Schedule
  2.  ROAD, STREET, &c., and No. or NAME of HOUSE
  3.  HOUSES: Inhabited
  4.  HOUSES: Uninhabited (U.) or Building (B.)
  5.  Number of rooms occupied if less than five
  6.  NAME and Surname of each Person
  7.  RELATION to Head of Family
  8.  CONDITION as to Marriage
  9.  AGE last Birthday of: Males
10.  AGE last Birthday of: Females
11.  PROFESSION or OCCUPATION
12.  Employer
13.  Employed
14.  Neither Employer nor Employed
15.  WHERE BORN
16.  If (1) Deaf and Dumb, (2), Blind, (3), Lunatic, Imbecile or Idiot
17.  Language Spoke

  1.  No of Schedule
  2.  ROAD, STREET, &c., and No. or NAME of HOUSE
  3.  HOUSES: Inhabited
  4.  HOUSES: Uninhabited: in Occupation
  5.  HOUSES: Uninhabited: Not in Occupation
  6.  Building
  7.  Number of Rooms Occupied if less than five
  8.  Name and Surname of each Person
  9.  RELATION to Hand of Family
10.  Condition as to Marriage
11.  Age last Birthday of: Males
12.  Age last Birthday of: Females
13.  PROFESSION OR OCCUPATION
14.  Employer, Worker, or Own account
15.  If Working at Home
16.  WHERE BORN
17.  If (1) Deaf and Dumb, (2), Blind, (3), Lunatic, (4), Imbecile, feeble-minded
18.  LANGUAGE SPOKEN (children under 3 years of age to be excluded)

1.  of every Person, whether Member of Family, Visitor, Boarder or Servant, who  (1) passed the night of Sunday, April 2nd, 1911, in this dwelling and was alive at midnight, or (2) arrived in this dewlling on th emorning of Monday, April 3rd, not have been enumerated elsewhere.  No one else must be included.  (For order of entering names see Examples on back of Schedule.)

2. to Head of Family.  State whether "Head" or "Wife," "Son," "Daughter," or other Relative, "Visitor," "Boarder," or "Servant."

For Infants under one year state the age in months as "under one month," "one month," etc.
3.  Ages of Males.
4.  Ages of Females.

5.  Write "Single," "Married," "Widower" or "Widow," opposite the names of all persons aged 15 years and upwards.

State, for each Married Woman entered on this Schedule, the number of:—

6.  Completed years the present Marriage has lasted.  If less than one year, write "under one."

Children born alive to present Marriage. (If no Children born alive write "None" in Column 7.)

7.  Total Children Born Alive.
8.  Children still Living.
9.  Children who have Died.

10.  Personal Occupation.  | The reply should show the precise branch of Profession, Trade, Manufacture, &c.  If engaged in any Trade of Manufacture, the particular kind of work done, and the Article made or Material worked or dealt in should be clearly indicated.  (See Instruction 1 to 8 and Examples on back of Schedule.)

11.  Industry or Service with which worker is connected.  | This queston should generally be answered by stating the business carried on by the employer.  If this is clearly shown in Col. 10 the question need not be answered here.  No entry needed for Domestic Servants in private employment.  If employed by a public body (Goverment, Municipal, etc.) state what body.  (See Instruction 9 and Examples on back of Schedule.)

12.  Whether Employer, Worker, or Working on Own Account. | Write opposite the name of each person engaged in any Trade or Industry, (1) "Employer" (that is employing persons other than domestic servants), or (2) "Worker" (that is working for an employer), or (3) "Own Account" (that is neither employing others nor working for a trade employer).

13.  Whether Working at Home.  | Write the words "At Home" opposite the name of each person carrying on Trade or Industry at home.

14.  (1)  If born in the United Kingdom, write the name of the County, and Town, or Parish.  (2)  If born in any other part of the British Empire, write the name of the Dependency, Colony, etc., and of the Province or State.  (3) If born in a Foreign Country, write the name of the Country.  (4) If born at sea, write "At Sea."

Note.—In the case of persons born elsewhere than in England or Wales, state whether "Resident" or "Visitor" in this Country.

15.   State whether:— (1) "British subject by parentage."  (2) "Naturalised British subject," giving year of naturalisation.  Or (3) If of foreign nationality, state whether "French," "German," "Russian," etc.

16.   If any person included in this Schedule is:— (1) "Totally Deaf" or "Deaf and Dumb," (2) "Totally Blind," (3) "Lunatic," (4) "Imbecile" or "Feeble-minded," state the infirmity opposite that person's name, and the age at which he or she became afflicted.  [This information is redacted on the page images at Ancestry.]

17.  (1) If able to speak English only, write "English." (2) If able to speak Welsh only, write "Welsh."  (3) If able to speak English and Welsh, write "Both."  No entry to be made in this column for children under three years of age.