HC
Henry Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Henry Campbell across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Campbell |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1926 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| James Campbell | Son | — | 6 | ~1934 |
| Leon Campbell | Son | — | 12 | ~1928 |
| Carrie Campbell | Spouse | — | 38 | ~1902 |
| Emily Campbell | Daughter | — | 8 | ~1932 |
| Sylvester Campbell | Son | — | 2 | ~1938 |
| Carrie Campbell | Daughter | — | 1 | ~1939 |
| Edward Campbell | Head | — | 40 | ~1900 |
| Clara Campbell | Daughter | — | 11 | ~1929 |
| Gertrude Campbell | Daughter | — | 9 | ~1931 |
| Henry Campbell | Son | — | 14 | ~1926 |
| Ruth Campbell | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Cook, Illinois
Other, age 7
Cook, Illinois · implied b. ~1923 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Henry |
| Relationship to Head | Step son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 14
Cook-County, Illinois · implied b. ~1926 — 11 household members
| Surname | Campbell |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Henry Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Campbell
Son · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Carrie Campbell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvester Campbell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Campbell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Campbell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Campbell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emily Campbell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Campbell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Campbell
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01005-00371)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Aiello | 45 | Head | Proprietor Manager | Italy |
| 2 | Elizabeth Aiello | 44 | Wife | — | Italy |
| 3 | Nancy Aiello | 16 | Daughter | New Worker | Illinois |
| 4 | Mildred Aiello | 9 | Daughter | — | Illinois |
| 5 | Virginia Aiello | 7 | Daughter | — | Illinois |
| 6 | Samuel Jr Aiello | 25 | Head | Proprietor | Italy |
| 7 | Bertha Aiello | 24 | Wife | — | Illinois |
| 8 | Elizabeth Aiello | 3 | Daughter | — | Illinois |
| 9 | Terazine Aiello | 0 | Daughter | — | Illinois |
| 10 | Leo Cutain | 27 | Head | Chauffeur | Illinois |
| 11 | Sarah Cutain | 24 | Wife | Solderer | Illinois |
| 12 | Vincent Cutain | 5 | Son | — | Illinois |
| 13 | Edward Barrett | 39 | Head | — | South Carolina |
| 14 | Lola Barrett | 43 | Wife | — | South Carolina |
| 15 | Letty Barrett | 21 | Daughter | Housework | South Carolina |
| 16 | Richard Barrett | 19 | Son | — | South Carolina |
| 17 | Eletha Barrett | 16 | Daughter | — | South Carolina |
| 18 | John Barrett | 15 | Son | — | Illinois |
| 19 | Martha Barrett | 12 | Daughter | — | Illinois |
| 20 | Frances Saunders | 62 | Head | — | Michigan |
| 21 | Edward Campbell | 40 | Head | — | North Carolina |
| 22 | Carrie Campbell | 38 | Wife | — | Louisiana |
| 23 | Henry Campbell THIS PERSON | 14 | Son | — | Illinois |
| 24 | Leon Campbell | 12 | Son | — | Illinois |
| 25 | Clara Campbell | 11 | Daughter | — | Illinois |
| 26 | Gertrude Campbell | 9 | Daughter | — | Illinois |
| 27 | Emily Campbell | 8 | Daughter | — | Illinois |
| 28 | James Campbell | 6 | Son | — | Illinois |
| 29 | Ruth Campbell | 5 | Daughter | — | Illinois |
| 30 | Sylvester Campbell | 2 | Son | — | Illinois |
| 31 | Carrie Campbell | 1 | Daughter | — | Illinois |
| 32 | Virgie Sims | 28 | Head | Laborer | Alabama |
| 33 | Idela Sims | 27 | Wife | — | Mississippi |
| 34 | Virgie Jr Sims | 8 | Son | — | Alabama |
| 35 | Nathan Sims | 6 | Son | — | Alabama |
| 36 | Willabee Sims | 4 | Son | — | Alabama |
| 37 | Anna B Sims | 2 | Daughter | — | Alabama |
| 38 | Timothy Akines | 33 | Head | — | Arkansas |
| 39 | Caldonia Akines | 31 | Wife | — | Arkansas |
| 40 | Dorothy L Akines | 12 | Daughter | — | Arkansas |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)