AC
Alice Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Alice Campbell across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 10-person household.
Age 34
b. ~1906
Female
Daughter
Born: Irish Free State
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Campbell |
| Given Name | Alice A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Reg. Nurse |
| Industry | Industrial |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1640 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Occupation | Reg. Nurse |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1906 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Agnes Campbell | Daughter | — | 32 | ~1908 |
| Bridget Campbell | Daughter | — | 41 | ~1899 |
| Alice Campbell | Daughter | — | 34 | ~1906 |
| Helen Campbell | Daughter | — | 29 | ~1911 |
| Mary Campbell | Head | — | 65 | ~1875 |
| Patrick Campbell | Son | — | 37 | ~1903 |
| John Campbell | Son | — | 24 | ~1916 |
| Daniel Campbell | Son | — | 28 | ~1912 |
| Michael Campbell | Son | — | 26 | ~1914 |
| Louis Campbell | Son | — | 23 | ~1917 |
Census Appearances
1930
Cook, Illinois
Daughter, age 23
Cook, Illinois · implied b. ~1907 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Alice A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Irish Free State |
| Naturalization Status | First papers filed |
| Year of Immigration | 1925 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Nurse |
| Industry | Hospital |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Cook-County, Illinois
Daughter, age 34
Cook-County, Illinois · implied b. ~1906 — 10 household members
| Surname | Campbell |
| Given Name | Alice A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Reg. Nurse |
| Industry | Industrial |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1640 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
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 Alice Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Campbell
Daughter · 1940 · age 34 · b. ~1906 · Illinois
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Sibling
Agnes Campbell
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Campbell
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bridget Campbell
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Campbell
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Campbell
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Campbell
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Campbell
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Campbell
Sibling · 1940 · age 28
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-t0627-00935-00752)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter R. Kohlar | 52 | Head | Supt Post Office | Illinois |
| 2 | Albertine Kohlar | 47 | Wife | — | Illinois |
| 3 | Eleanor Kohlar | 21 | Daughter | — | Illinois |
| 4 | Walter Jr. Kohlar | 19 | Son | — | Illinois |
| 5 | Lorraine Kohlar | 16 | Daughter | — | Illinois |
| 6 | Marian S. Case | 45 | Head | Correspondent | Michigan |
| 7 | Marian S. Case | 76 | Aunt | — | Michigan |
| 8 | Jessie Case | 45 | Sister | — | Michigan |
| 9 | Albert Coverdale | 74 | Head | Retard Mens Furnishg | Illinois |
| 10 | Victoria Coverdale | 65 | Wife | — | Illinois |
| 11 | William Coverdale | 32 | Son | Clerk Retail Mens Clothing | Illinois |
| 12 | Leora Coverdale | 32 | Daughter-in-law | — | Wisconsin |
| 13 | Nancy Coverdale | 12 | Granddaughter | — | Illinois |
| 14 | William Coverdale | 8 | Grandson | — | Illinois |
| 15 | Anita Coverdale | 2 | Granddaughter | — | Illinois |
| 16 | William Fralick | 46 | Head | Hardware | Illinois |
| 17 | Florence Fralick | 46 | Wife | Bookkeeper | Minnesota |
| 18 | John F. Fralick | 20 | Son | — | Illinois |
| 19 | William Fralick | 17 | Son | — | Illinois |
| 20 | Sarah Wenham | 78 | Mother-in-law | — | Wisconsin |
| 21 | Christina Bentzen | 35 | Servant | Servant | Norway |
| 22 | William Rervine | 53 | Head | Lathering Dept | Wisconsin |
| 23 | Minnie S. Rervine | 53 | Wife | — | Illinois |
| 24 | Hazel Larean | 26 | Daughter | Billing Clerk Retail Chain | Illinois |
| 25 | Goddard Larean | 4 | Grandson | — | Illinois |
| 26 | Mary Anne Campbell | 65 | Head | — | Irish Free State |
| 27 | Bridget Mary Campbell | 41 | Daughter | Reg. Nurse | Irish Free State |
| 28 | Patrick James Campbell | 37 | Son | Conductor | Irish Free State |
| 29 | Alice A. Campbell THIS PERSON | 34 | Daughter | Reg. Nurse | Irish Free State |
| 30 | Agnes H. Campbell | 32 | Daughter | Reg. Nurse | Irish Free State |
| 31 | Helen V. Campbell | 29 | Daughter | — | Irish Free State |
| 32 | Daniel Leo Campbell | 28 | Son | Clerk | Irish Free State |
| 33 | Michael J. Campbell | 26 | Son | Interne | Irish Free State |
| 34 | John J. Campbell | 24 | Son | — | Irish Free State |
| 35 | Louis J. Campbell | 23 | Son | Clerk | Irish Free State |
| 36 | William Lyman | 55 | Head | Printing Press Paper | Illinois |
| 37 | Elizabeth Lyman | 50 | Wife | Comptometer | Illinois |
| 38 | Thomas Lyman | 18 | Son | Laboratory | Illinois |
| 39 | William Lyman | 12 | Son | — | Illinois |
| 40 | Thomas Thomas | 60 | Head | Pressman | Illinois |
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)