JW
John Warner — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this John Warner across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 5-person household.
Age 80
b. ~1860
Male
Head
Born: Iowa
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Warner |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Davenport City |
| Est. Birth Year | ~1860 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dell Warner | Daughter | — | 45 | ~1895 |
| Louise Warner | Daughter | — | 36 | ~1904 |
| Helen Warner | Daughter | — | 41 | ~1899 |
| John Warner | Head | — | 80 | ~1860 |
| Robert Warner | Son | — | 29 | ~1911 |
Census Appearances
1920
Scott, Iowa
Head, age 60
Scott, Iowa · implied b. ~1860 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warner |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Occupation | Plasterer |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Scott, Iowa
Head, age 70
Scott, Iowa · implied b. ~1860 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warner |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 26 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Contractor |
| Industry | Plastering |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Head, age 80
Scott-County, Iowa · implied b. ~1860 — 5 household members
| Surname | Warner |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Income (1939) | 0 |
| Highest Grade | H-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 John Warner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Warner
Head · 1940 · age 80 · b. ~1860 · 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-t0627-01203-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna C. Mohr | 87 | Mother | — | Germany |
| 2 | Arthur J. Mollies | 25 | Head | Trucker | Iowa |
| 3 | Martha V. Mollies | 23 | Wife | — | Iowa |
| 4 | Kieche Rohde | 86 | Mother-in-law | — | Iowa |
| 5 | Albert R. Bowden | 52 | Head | President | Iowa |
| 6 | Mabel S. Bowden | 50 | Wife | — | Illinois |
| 7 | Marian (A) Bowden | 20 | Daughter | — | Iowa |
| 8 | Robert Bowden | 13 | Son | — | Iowa |
| 9 | Ralph Wylie | 30 | Head | Traveling Salesman | Illinois |
| 10 | Catherine Wylie | 26 | Wife | — | Illinois |
| 11 | Susan Wylie | 1 | Daughter | — | Illinois |
| 12 | Ernest W. Thornton | 50 | Head | Salesman | Rhode Island |
| 13 | Mabel G. Thornton | 44 | Wife | Receptionist | Omaha |
| 14 | Everet Kimball | 34 | Head | Attendant | Iowa |
| 15 | Evelyn Kimball | 34 | Wife | — | Illinois |
| 16 | Dean Kimball | 13 | Son | — | Iowa |
| 17 | Wayne Lee Kimball | 11 | Son | — | Iowa |
| 18 | Roger Kimball | 3 | Son | — | Iowa |
| 19 | Albert G. Braddock | 48 | Head | Machine Operator | Indiana |
| 20 | Kathryn S. Braddock | 45 | Wife | — | Iowa |
| 21 | Grace Braddock | 23 | Daughter | Bookkeeper | Iowa |
| 22 | Donald Braddock | 7 | Son | — | Iowa |
| 23 | Ivan Lemley | 34 | Head | Tool Maker | Iowa |
| 24 | Martha O. Lemley | 31 | Wife | — | Iowa |
| 25 | Colleen Lemley | 11 | Daughter | — | Iowa |
| 26 | None Ends Block 99 And Begins 101 | None | — | — | — |
| 27 | John D. Warner THIS PERSON | 80 | Head | — | Iowa |
| 28 | Dell Warner | 45 | Daughter | — | Iowa |
| 29 | Helen Warner | 41 | Daughter | — | Iowa |
| 30 | Louise Warner | 36 | Daughter | Teacher | Iowa |
| 31 | Robert Warner | 29 | Son | Laborer | Iowa |
| 32 | Metill Anderson | 61 | Head | — | Sweden |
| 33 | Gustav Anderson | 22 | Son | Clerk | Iowa |
| 34 | Margaret Anderson | 19 | Daughter | Stenographer | Iowa |
| 35 | George Anderson | 16 | Son | — | Iowa |
| 36 | William Boyd | 35 | Head | Owner Of Bakery | Illinois |
| 37 | Ethel S. Boyd | 32 | Wife | — | Illinois |
| 38 | Axel J. Anderson | 58 | Head | Carpenter | Sweden |
| 39 | Elma Anderson | 59 | Wife | — | Sweden |
| 40 | Lillian Anderson | 31 | Daughter | Stenographer | Iowa |
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)