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Clara Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Iowa-County, Wisconsin
Our Model Tree links this Clara Campbell across the 1930 and 1940 US Censuses in Iowa-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 12-person household.
Age 11
b. ~1929
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iowa-County, Wisconsin |
| Surname | Campbell |
| Given Name | Clara M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sauk |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Clyde Township |
| Est. Birth Year | ~1929 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clara | Age | Birth yr |
|---|---|---|---|---|
| Jackie Campbell | Son | — | 8 | ~1932 |
| Emery Campbell | Son | — | 9 | ~1931 |
| James Campbell | Son | — | 14 | ~1926 |
| Annabel Campbell | Daughter | — | 17 | ~1923 |
| Daniel Campbell | Son | — | ~1940 | |
| Anna Campbell | Spouse | — | 42 | ~1898 |
| Frank Campbell | Head | — | 46 | ~1894 |
| Sonja Campbell | Daughter | — | 1 | ~1939 |
| Harlan Campbell | Son | — | 22 | ~1918 |
| Clara Campbell | Daughter | — | 11 | ~1929 |
| Franklin Campbell | Son | — | 16 | ~1924 |
| Charlotte Campbell | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Iowa, Wisconsin
Daughter, age 1
Iowa, Wisconsin · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Clara M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Iowa-County, Wisconsin
Daughter, age 11
Iowa-County, Wisconsin · implied b. ~1929 — 12 household members
| Surname | Campbell |
| Given Name | Clara M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sauk |
| Highest Grade | 6 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Clara Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Clara Campbell
Daughter · 1940 · age 11 · b. ~1929 · Wisconsin
★ You are viewing this record
Sibling
Daniel Campbell
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Campbell
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Campbell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sonja Campbell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabel Campbell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emery Campbell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jackie Campbell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Campbell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harlan Campbell
Sibling · 1940 · age 22
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 — Iowa-County, Wisconsin
Open full size
1940 US Federal Census — Iowa-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04483-00540)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph H. Kane | 41 | Head | Farmer | Wisconsin |
| 42 | Kenneth T. Price | 31 | Head | Farmer | Wisconsin |
| 43 | Cora M. Price | 31 | Wife | — | Wisconsin |
| 44 | Vivian M. Price | 11 | Daughter | — | Wisconsin |
| 45 | Gerald R. Price | 9 | Son | — | Wisconsin |
| 46 | Elaine F. Price | 8 | Daughter | — | Wisconsin |
| 47 | Mildred E. Price | 5 | Daughter | — | Wisconsin |
| 48 | Kay E. Price | 3 | Son | — | Wisconsin |
| 49 | Gordon B. Price | 2 | Son | — | Wisconsin |
| 50 | Frank G. Campbell | 46 | Head | Farmer | Wisconsin |
| 51 | Anna E. Campbell | 42 | Wife | — | Wisconsin |
| 52 | Harlan Campbell | 22 | Son | Laborer | Wisconsin |
| 53 | Annabel Campbell | 17 | Daughter | — | Wisconsin |
| 54 | Franklin Campbell | 16 | Son | Laborer | Wisconsin |
| 55 | James Campbell | 14 | Son | — | Wisconsin |
| 56 | Clara M. Campbell THIS PERSON | 11 | Daughter | — | Wisconsin |
| 57 | Emery Campbell | 9 | Son | — | Wisconsin |
| 58 | Jackie Campbell | 8 | Son | — | Wisconsin |
| 59 | Charlotte Campbell | 5 | Daughter | — | Wisconsin |
| 60 | Sonja Campbell | 1 | Daughter | — | Wisconsin |
| 61 | Daniel Campbell | 0 | Son | — | Wisconsin |
| 62 | Henry J. Mueller | 43 | Head | Farmer | Wisconsin |
| 63 | Imelda M. Mueller | 42 | Wife | — | Wisconsin |
| 64 | Alphonse A. Mueller | 16 | Son | Laborer | Wisconsin |
| 65 | Rita A. Mueller | 15 | Daughter | — | Wisconsin |
| 66 | Dolores M. Mueller | 13 | Daughter | — | Wisconsin |
| 67 | Betty M. Mueller | 11 | Daughter | — | Wisconsin |
| 68 | Imelda E. Mueller | 8 | Daughter | — | Wisconsin |
| 69 | Marian R. Mueller | 6 | Daughter | — | Wisconsin |
| 70 | Raymond H. Mueller | 2 | Son | — | Wisconsin |
| 71 | Thomas Dolan | 60 | Head | Farmer | Wisconsin |
| 72 | Julia A. Dolan | 56 | Wife | — | Wisconsin |
| 73 | Emmet R. Dolan | 24 | Son | Laborer | Wisconsin |
| 74 | John J. Dolan | 21 | Son | Laborer | Wisconsin |
| 75 | Walter W. Stewart | 49 | Head | Laborer | Wisconsin |
| 76 | Flora Stewart | 34 | Wife | — | Wisconsin |
| 77 | Janet B. Stewart | 11 | Daughter | — | Wisconsin |
| 78 | Janice M. Stewart | 10 | Daughter | — | Wisconsin |
| 79 | Geneva L. Stewart | 9 | Daughter | — | Wisconsin |
| 80 | Walter E. Stewart | 7 | Son | — | Wisconsin |
Related Census Records
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)