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Charles Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Charles Campbell across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 7-person household.
Age 55
b. ~1885
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Campbell |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ankeny Town |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Contractor |
| Industry | Building |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 13 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Contractor |
| Township / Ward | Ankeny Town |
| Est. Birth Year | ~1885 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Campbell | Daughter | — | 8 | ~1932 |
| Bonnie Campbell | Daughter | — | 14 | ~1926 |
| Marjorie Campbell | Daughter | — | 11 | ~1929 |
| Charles Campbell | Head | — | 55 | ~1885 |
| Ted Houchin | Other | — | 24 | ~1916 |
| Charles Campbell | Son | — | 19 | ~1921 |
| Annie Campbell | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Polk, Iowa
Head, age 35
Polk, Iowa · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Charles C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Pennsylvania |
| Occupation | Plasterer |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Head, age 45
Polk, Iowa · implied b. ~1885
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Campbell |
| Given Name | Charles C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 27 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Pennsylvania |
| Occupation | Plasterer |
| Industry | Buildings |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Head, age 55
Polk-County, Iowa · implied b. ~1885 — 7 household members
| Surname | Campbell |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ankeny Town |
| 1935 Residence (County) | Polk |
| Occupation | Contractor |
| Industry | Building |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 13 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| 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 Charles Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Campbell
Head · 1940 · age 55 · b. ~1885 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01192-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Linthicum | 16 | Daughter | Helper | Oklahoma |
| 42 | Willis Linthicum | 15 | Son | — | Oklahoma |
| 43 | Mildred Linthicum | 13 | Daughter | — | Oklahoma |
| 44 | Jimmie Linthicum | 11 | Son | — | Kansas |
| 45 | Irene Linthicum | 9 | Daughter | — | Iowa |
| 46 | Flossie Linthicum | 6 | Daughter | — | Iowa |
| 47 | Marvine Linthicum | 4 | Daughter | — | Iowa |
| 48 | Albert Ugolini | 32 | Head | Miner | Italy |
| 49 | Lena Ugolini | 31 | Wife | Bookkeeper | Missouri |
| 50 | Lawrence Lein | 36 | Head | Manager | Iowa |
| 51 | Lola Lein | 32 | Wife | Asst Manager | Iowa |
| 52 | Lowell Lein | 12 | Son | — | Iowa |
| 53 | Doloris Lein | 10 | Daughter | — | Iowa |
| 54 | Rodney Lein | 5 | Son | — | Iowa |
| 55 | Charles Campbell THIS PERSON | 55 | Head | Contractor | Iowa |
| 56 | Annie Campbell | 50 | Wife | — | Iowa |
| 57 | Charles Campbell | 19 | Son | — | Iowa |
| 58 | Bonnie Lou Campbell | 14 | Daughter | — | Iowa |
| 59 | Marjorie Ann Campbell | 11 | Daughter | — | Iowa |
| 60 | Marilyn Jean Campbell | 8 | Daughter | — | Iowa |
| 61 | Ted Houchin | 24 | Helper | Laborer | South Dakota |
| 62 | Thomas Fredricks | 36 | Head | Medicine Route | Nebraska |
| 63 | Jeanette Fredricks | 38 | Wife | Beauty Operator | Minnesota |
| 64 | Ellyvise Houske | 17 | Daughter | — | Minnesota |
| 65 | Thomas Conway | 42 | Head | Public Accountant | England |
| 66 | Ann Conway | 43 | Wife | — | England |
| 67 | Douglas Conway | 19 | Son | Office Clerk | Iowa |
| 68 | James Conway | 18 | Son | — | Iowa |
| 69 | Roland R. Struthers | 37 | Head | Mechanic | Iowa |
| 70 | Hazel E. Struthers | 34 | Wife | — | Minnesota |
| 71 | Evelyn M. Struthers | 14 | Daughter | — | Iowa |
| 72 | Joyce E. Struthers | 8 | Daughter | — | Iowa |
| 73 | Henry Bogue | 75 | Head | Retired | Indiana |
| 74 | Lizzie B. Bogue | 68 | Wife | — | Iowa |
| 75 | Frank Betts | 47 | Head | Barber | Iowa |
| 76 | Florence Betts | 46 | Wife | — | Iowa |
| 77 | Donald Betts | 17 | Son | Laborer | Iowa |
| 78 | Mary Frances Betts | 14 | Daughter | — | Iowa |
| 79 | W | None | — | — | — |
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)