DC
Dorothy Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Palo-Alto-County, Iowa
Our Model Tree links this Dorothy Campbell across the 1930 and 1940 US Censuses in Palo-Alto-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Palo-Alto-County, Iowa |
| Surname | Campbell |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Palo Alto |
| Additional Details | |
| Highest Grade | No H 1 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Emmetsburg City |
| Est. Birth Year | ~1925 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Meriam Campbell | Spouse | — | 39 | ~1901 |
| Jesse Campbell | Head | — | 38 | ~1902 |
| Richard Campbell | Son | — | 14 | ~1926 |
| Marion Campbell | Daughter | — | 11 | ~1929 |
| Betty Campbell | Daughter | — | 17 | ~1923 |
| Harold Campbell | Son | — | 19 | ~1921 |
| James Campbell | Other | — | 88 | ~1852 |
| Lyle Campbell | Son | — | 8 | ~1932 |
| Arthur Campbell | Son | — | 10 | ~1930 |
| Dorothy Campbell | Daughter | — | 15 | ~1925 |
| Viola Campbell | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Palo Alto, …
Daughter, age 5
Palo Alto, Iowa · implied b. ~1925 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Dorothy F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Palo-Alto-County, Iowa
Daughter, age 15
Palo-Alto-County, Iowa · implied b. ~1925 — 11 household members
| Surname | Campbell |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Palo Alto |
| Highest Grade | No H 1 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Dorothy Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Campbell
Daughter · 1940 · age 15 · b. ~1925 · Iowa
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Sibling
Harold Campbell
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Campbell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Campbell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Campbell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Campbell
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lyle Campbell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Campbell
Sibling · 1940 · age 11
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 — Palo-Alto-County, Iowa
Open full size
1940 US Federal Census — Palo-Alto-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01189-00081)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter Mulroney | 28 | Son | Clerk | Iowa |
| 2 | Joseph Mulroney | 27 | Son | Clerk | Iowa |
| 3 | Vincent Vincent | 33 | Head | Concrete Worker | Iowa |
| 4 | Irene Vincent | 34 | Wife | — | Iowa |
| 5 | Blanche Burger | 60 | Mother-in-law | Maid | Iowa |
| 6 | Jesse Campbell | 38 | Head | Proprietor | Missouri |
| 7 | Meriam Campbell | 39 | Wife | — | Iowa |
| 8 | Harold Campbell | 19 | Son | — | Iowa |
| 9 | Viola Campbell | 18 | Daughter | Servant | Iowa |
| 10 | Betty Campbell | 17 | Daughter | Typing | Iowa |
| 11 | Dorothy Campbell THIS PERSON | 15 | Daughter | — | Iowa |
| 12 | Richard Campbell | 14 | Son | — | Iowa |
| 13 | Marion Campbell | 11 | Daughter | — | Iowa |
| 14 | Arthur Campbell | 10 | Son | — | Iowa |
| 15 | Lyle Campbell | 8 | Son | — | Iowa |
| 16 | James Campbell | 88 | Father | — | Missouri |
| 17 | Leo Dermer | 52 | Head | Laborer | Iowa |
| 18 | Luella Dermer | 50 | Wife | — | Iowa |
| 19 | Kenneth Dermer | 31 | Son | — | Iowa |
| 20 | Mary Brown | 80 | Head | — | Iowa |
| 21 | Juanita Brown | 47 | Daughter | Stenographer | Iowa |
| 22 | Mary Walsh | 76 | Head | — | Illinois |
| 23 | Loretta Walsh | 45 | Daughter | — | Iowa |
| 24 | John Higgins | 47 | Head | Laborer | Missouri |
| 25 | Rose Higgins | 47 | Wife | — | Illinois |
| 26 | James Higgins | 22 | Son | Laborer | Illinois |
| 27 | Gene Higgins | 20 | Daughter | Cook | Iowa |
| 28 | James Higgins | 19 | Son | Laborer | Iowa |
| 29 | Bertha Higgins | 16 | Daughter | — | Iowa |
| 30 | Gertrude Higgins | 15 | Daughter | — | Iowa |
| 31 | Viola Higgins | 13 | Daughter | — | Iowa |
| 32 | Morris Higgins | 11 | Son | — | Iowa |
| 33 | Dean Higgins | 10 | Son | — | Iowa |
| 34 | Dwayne Higgins | 6 | Son | — | Iowa |
| 35 | Ann Lou Higgins | 4 | Daughter | — | Iowa |
| 36 | John Jr. Higgins | 1 | Son | — | Iowa |
| 37 | Phyllis Jenkins | 18 | Daughter | — | Iowa |
| 38 | Willard Jenkins | 23 | Son-in-law | Laborer | Illinois |
| 39 | Joe Ensley | 57 | Head | Laborer | Iowa |
| 40 | Julia Ensley | 56 | Wife | — | 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)