AC
Anna Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this Anna Campbell across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 3-person household.
Age 70
b. ~1870
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Campbell |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Davenport City |
| Est. Birth Year | ~1870 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Irma Campbell | Daughter | — | 47 | ~1893 |
| Anna Campbell | Spouse | — | 70 | ~1870 |
| Dan Campbell | Head | — | 71 | ~1869 |
Census Appearances
1920
Scott, Iowa
Spouse, age 50
Scott, Iowa · implied b. ~1870 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Housework |
| Industry | Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Scott, Iowa
Spouse, age 60
Scott, Iowa · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Scott-County, Iowa
Spouse, age 70
Scott-County, Iowa · implied b. ~1870 — 3 household members
| Surname | Campbell |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Anna Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Anna Campbell
Spouse · 1940 · age 70 · b. ~1870 · 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 — Scott-County, Iowa
Open full size
1940 US Federal Census — Scott-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01202-00759)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Janet Ulrich | 3 | Daughter | — | Iowa |
| 42 | Marcia Lou Ulrich | 0 | Daughter | — | Iowa |
| 43 | Willard Mengel | 51 | Head | Proprietor | Iowa |
| 44 | Flora Mengel | 50 | Wife | — | Iowa |
| 45 | Dorothy Mengel | 20 | Wife | Bookkeeper | Iowa |
| 46 | Robert G. Beck | 51 | Head | Proprietor | Sweden |
| 47 | Lillian M. Beck | 46 | Wife | Clerk | Iowa |
| 48 | Eleanor J. Beck | 23 | Daughter | Clerk | Iowa |
| 49 | Louis Rankin | 52 | Head | Crane Operator | Nebraska |
| 50 | Ida Rankin | 48 | Wife | — | Wisconsin |
| 51 | Irvin Rankin | 14 | Son | — | Nevada |
| 52 | Hugo Meyer | 44 | Head | Proprietor | Iowa |
| 53 | Alice Meyer | 40 | Wife | Cook | Iowa |
| 54 | Leonard Warner | 41 | Head | Fireman | Iowa |
| 55 | Helen Warner | 34 | Wife | — | Iowa |
| 56 | Marcella Warner | 16 | Daughter | — | Iowa |
| 57 | Leonard Jr. Warner | 9 | Son | — | Iowa |
| 58 | Charles Beck | 71 | Head | — | Germany |
| 59 | Harry Troupe | 36 | Son-in-law | Cabinet Maker | Iowa |
| 60 | Ida Anna Troupe | 34 | Daughter | Controler Maker | Iowa |
| 61 | Frank Richardson | 59 | Head | — | Scotland |
| 62 | Eugene N. Richardson | 25 | Son | Clerk | Iowa |
| 63 | Alice G. Richardson | 22 | Daughter | — | Iowa |
| 64 | Lucille Clayton | 22 | Lodger | Housework | Nebraska |
| 65 | Dan C. Campbell | 71 | Head | Motorman | Indiana |
| 66 | Anna Campbell THIS PERSON | 70 | Wife | — | Indiana |
| 67 | Irma Campbell | 47 | Daughter | — | Ohio |
| 68 | Lawrence Conover | 37 | Head | Salesman | Iowa |
| 69 | Grace Conover | 37 | Wife | — | Illinois |
| 70 | James Conover | 10 | Son | — | Illinois |
| 71 | Barbara Conover | 8 | Daughter | — | Illinois |
| 72 | August Meisenbach | 41 | Head | Assembly Man | Illinois |
| 73 | Carrie Meisenbach | 43 | Wife | — | Illinois |
| 74 | Erwin Meisenbach | 15 | Son | Teller | Iowa |
| 75 | Lillie White | 44 | Head | Housework | Iowa |
| 76 | Adeline White | 23 | Daughter | Teacher | Illinois |
| 77 | Francis White | 20 | Daughter | Clerk | Iowa |
| 78 | Helen E. Kamen | 40 | Head | Proprietor Beauty Shop | Iowa |
| 79 | James E. Kamen | 21 | Son | Assistant Chef | Iowa |
| 80 | Theodore Peterschmidt | 70 | Father | — | Germany |
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)