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Frank Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this Frank Campbell across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 28-person household.
Age 50
b. ~1890
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Campbell |
| Given Name | Frank Leo |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Occupation | Hotel Keeper |
| Industry | Hotel |
| Class of Worker | OA |
| Hours Worked | 42 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Hotel Keeper |
| Township / Ward | Davenport City |
| Est. Birth Year | ~1890 |
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.
28 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Anita Campbell | Daughter | — | 14 | ~1926 |
| Frank Campbell | Head | — | 50 | ~1890 |
| Victor French | Other | — | 24 | ~1916 |
| Wm Nugent | Other | — | 45 | ~1895 |
| Martin Cohen | Other | — | 43 | ~1897 |
| Mildred Chapman | Other | — | 38 | ~1902 |
| Jos Browder | Other | — | 74 | ~1866 |
| George Autzen | Other | — | 23 | ~1917 |
| John Hastrup | Other | — | 30 | ~1910 |
| Harry Vollstedt | Other | — | 41 | ~1899 |
| Miles Brubaker | Other | — | 58 | ~1882 |
| Jacob Hart | Other | — | 66 | ~1874 |
| Mary Schmert | Other | — | 75 | ~1865 |
| Adolph Ewold | Other | — | 55 | ~1885 |
| Frank Hall | Other | — | 57 | ~1883 |
| Henry Mccullough | Other | — | 44 | ~1896 |
| Thomas Marsland | Other | — | 70 | ~1870 |
| Lee Roplau | Other | — | 39 | ~1901 |
| Arthur Sadler | Other | — | 62 | ~1878 |
| Louis Maisack | Other | — | 43 | ~1897 |
| Helen Bricha | Other | — | 67 | ~1873 |
| Alva Chapman | Other | — | 35 | ~1905 |
| Kittie Mollerove | Other | — | 59 | ~1881 |
| Raymond Van Herveer | Other | — | 39 | ~1901 |
| Francis Mulerone | Other | — | 21 | ~1919 |
| William Fort | Other | — | 25 | ~1915 |
| Francis Campbell | Son | — | 13 | ~1927 |
| Anita Campbell | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Scott, Iowa
Head, age 30
Scott, Iowa · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Frank L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Machinist |
| Industry | R. I. Arsenal |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Year of Naturalization | O |
| Birthplace (normalized) | indiana |
1930
Scott, Iowa
Head, age 40
Scott, Iowa · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Frank L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 22 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Clerk |
| Industry | Hotel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Scott-County, Iowa
Head, age 50
Scott-County, Iowa · implied b. ~1890 — 28 household members
| Surname | Campbell |
| Given Name | Frank Leo |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Occupation | Hotel Keeper |
| Industry | Hotel |
| Class of Worker | OA |
| Hours Worked | 42 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 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 Frank Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Campbell
Head · 1940 · age 50 · b. ~1890 · 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
28 people indexed on this census page (nara:1940:m-t0627-01203-00192)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Leo Campbell THIS PERSON | 50 | Head | Hotel Keeper | Indiana |
| 2 | Anita Campbell | 45 | Wife | — | Missouri |
| 3 | Anita Lee Campbell | 14 | Daughter | — | Iowa |
| 4 | Francis Lee Campbell | 13 | Son | — | Iowa |
| 5 | Mary Schmert | 75 | Mother in law | Nurse | Illinois |
| 6 | William Fort | 25 | Nephew | Painter | Iowa |
| 7 | Alva Earle Chapman | 35 | Lodger | Hotel Chef | Illinois |
| 8 | Mildred (A.E.) Chapman | 38 | Lodger | — | Iowa |
| 9 | Wm Francis Nugent | 45 | Lodger | Door Maker | Wisconsin |
| 10 | Kittie M. Mollerove | 59 | Lodger | Floor Work | Iowa |
| 11 | Francis Arlene Mulerone | 21 | Lodger | Waitress | Iowa |
| 12 | Lee Anthony Roplau | 39 | Lodger | Foreman | Iowa |
| 13 | Harry Vollstedt | 41 | Lodger | Operator | Iowa |
| 14 | George Roger Autzen | 23 | Lodger | Carpenter | Minnesota |
| 15 | Arthur G. Sadler | 62 | Lodger | Law Practice | Iowa |
| 16 | Helen Bricha | 67 | Lodger | — | Iowa |
| 17 | Louis G. Maisack | 43 | Lodger | Salesman | Iowa |
| 18 | Adolph Carl Ewold | 55 | Lodger | Helper | Iowa |
| 19 | Jacob Hart | 66 | Lodger | — | Iowa |
| 20 | Miles Brubaker | 58 | Lodger | Tavern Help | Illinois |
| 21 | Martin Cohen | 43 | Lodger | Manager | Russia |
| 22 | Frank J. Hall | 57 | Lodger | Salesman | Illinois |
| 23 | Raymond E. Van Herveer | 39 | Lodger | Engineer | Iowa |
| 24 | Victor James French | 24 | Lodger | Dishwasher | Iowa |
| 25 | John C. Hastrup | 30 | Lodger | Laborer | Denmark |
| 26 | Thomas H. Marsland | 70 | Lodger | Salesman | Michigan |
| 27 | Jos Milton Browder | 74 | Lodger | — | Ohio |
| 28 | Henry M. Mccullough | 44 | Lodger | Supervisor | Iowa |
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)