JC
John Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Carver-County, Minnesota
Our Model Tree links this John Campbell across the 1920, 1930 and 1940 US Censuses in Carver-County, Minnesota (XGBoost, ~Confirmed), with identified parents Ole & Joseph — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Carver-County, Minnesota |
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Hollywood Twp |
| 1935 Residence (County) | Carver |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | Hollywood Twp |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Delores Campbell | Daughter | — | 13 | ~1927 |
| Frances Campbell | Daughter | — | 17 | ~1923 |
| Joseph Campbell | Head | — | 63 | ~1877 |
| John Campbell | Son | — | 23 | ~1917 |
| Peter Campbell | Son | — | 26 | ~1914 |
| Frances Campbell | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Carver, Minnesota
Son, age 3
Carver, Minnesota · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Carver, Minnesota
Son, age 13
Carver, Minnesota · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Carver-County, Minnesota
Son, age 23
Carver-County, Minnesota · implied b. ~1917 — 6 household members
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Hollywood Twp |
| 1935 Residence (County) | Carver |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 John Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ole Campbell (~0.92 confidence) and father Joseph Campbell (~0.92 confidence) and mother Mary Campbell (~0.92 confidence) and mother Frances Campbell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ole Campbell
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Joseph Campbell
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Mary Campbell
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Frances Campbell
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Campbell
Son · 1940 · age 23 · b. ~1917 · Minnesota
★ You are viewing this record
Sibling
Frances Campbell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Campbell
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Campbell
Sibling · 1940 · age 26
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 — Carver-County, Minnesota
Open full size
1940 US Federal Census — Carver-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01911-00247)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Augusta Baumann | 58 | Wife | — | Germany |
| 42 | Walter Baumann | 23 | Son | Laborer | Minnesota |
| 43 | Reuben Baumann | 20 | Son | Laborer | Minnesota |
| 44 | Lawrence Connolly | 81 | Head | — | Minnesota |
| 45 | James Monahan | 88 | Brother-in-law | — | Pennsylvania |
| 46 | Edward White | 38 | Servant | Servant | Minnesota |
| 47 | Joseph D. Campbell | 63 | Head | Farmer | Minnesota |
| 48 | Frances Campbell | 54 | Wife | — | Minnesota |
| 49 | Peter Campbell | 26 | Son | Laborer | Minnesota |
| 50 | John Campbell THIS PERSON | 23 | Son | Laborer | Minnesota |
| 51 | Frances Campbell | 17 | Daughter | — | Minnesota |
| 52 | Delores Campbell | 13 | Daughter | — | Minnesota |
| 53 | Charles Goodrich | 46 | Head | Farmer | Minnesota |
| 54 | Helen Goodrich | 37 | Wife | — | Minnesota |
| 55 | Mary Anne Goodrich | 7 | Daughter | — | Minnesota |
| 56 | Paul Cloutier | 18 | Nephew | Farmer | Minnesota |
| 57 | Lester Oestreich | 31 | Head | Farmer | North Dakota |
| 58 | Alice Oestreich | 26 | Wife | — | Minnesota |
| 59 | Bernice Oestreich | 8 | Daughter | — | Minnesota |
| 60 | Lloyd Oestreich | 7 | Son | — | Minnesota |
| 61 | Eugene Oestreich | 5 | Son | — | Minnesota |
| 62 | Gerald Oestreich | 4 | Son | — | Minnesota |
| 63 | Betty Oestreich | 2 | Daughter | — | Minnesota |
| 64 | Martha Oestreich | 1 | Daughter | — | Minnesota |
| 65 | Albin Runiger | 26 | Head | Laborer | Minnesota |
| 66 | Ida Runiger | 22 | Wife | — | Minnesota |
| 67 | Douglas Runiger | 2 | Son | — | Minnesota |
| 68 | Fred Luke | 60 | Head | Farmer | Minnesota |
| 69 | Bertha Luke | 54 | Wife | — | Wisconsin |
| 70 | Clarence Luke | 28 | Son | Farmer | Minnesota |
| 71 | Leona Luke | 22 | Daughter-in-law | — | Minnesota |
| 72 | Lola Luke | 4 | Daughter | — | Minnesota |
| 73 | Joyce Luke | 1 | Daughter | — | Minnesota |
| 74 | John Lynch | 46 | Head | Farmer | Minnesota |
| 75 | Josephine Lynch | 35 | Wife | — | Minnesota |
| 76 | Edward Lynch | 16 | Son | Laborer | Minnesota |
| 77 | Marcella Lynch | 15 | Daughter | — | Minnesota |
| 78 | Emmett Lynch | 10 | Son | Laborer | Minnesota |
| 79 | Leon Lynch | 9 | Son | — | Minnesota |
| 80 | Ambrose Lynch | 8 | Son | — | Minnesota |
Pedigree Summary
John + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)