JW
John Wagner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Iowa
Our Model Tree links this John Wagner across the 1920, 1930 and 1940 US Censuses in Washington-County, Iowa (XGBoost, ~Confirmed), with identified parents Howard & Dora — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Iowa |
| Surname | Wagner |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marion Township |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 50 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Marion Township |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Howard Wagner | Head | — | 57 | ~1883 |
| John Wagner | Son | — | 21 | ~1919 |
| Wayne Wagner | Son | — | 18 | ~1922 |
| Dora Wagner | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Washington, Iowa
Son, age 1
Washington, Iowa · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Washington, Iowa
Son, age 12
Washington, Iowa · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Washington-County, Iowa
Son, age 21
Washington-County, Iowa · implied b. ~1919 — 4 household members
| Surname | Wagner |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marion Township |
| 1935 Residence (County) | Washington |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 50 |
| 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 Wagner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Howard Wagner (~0.92 confidence) and mother Dora Wagner (~0.92 confidence) and mother Dora Wagner (~0.92 confidence) and father Howard Wagner (~0.92 confidence) and mother Dora Wagner (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Howard Wagner
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Dora Wagner
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Dora Wagner
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Howard Wagner
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Dora Wagner
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Wagner
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Wayne Wagner
Sibling · 1940 · age 18
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 — Washington-County, Iowa
Open full size
1940 US Federal Census — Washington-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01211-00349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Genevieve B. Walker | 43 | Wife | — | Iowa |
| 2 | James Forrest Walker | 10 | Son | — | Louisiana |
| 3 | Everett Snider | 25 | Hired Hand | Laborer | Iowa |
| 4 | Howard Wagner | 57 | Head | Farmer | Iowa |
| 5 | Dora M. Wagner | 58 | Wife | — | Iowa |
| 6 | John H. Wagner THIS PERSON | 21 | Son | Farmer | Iowa |
| 7 | Wayne E. Wagner | 18 | Son | Farmer | Iowa |
| 8 | C. E. Rickey | 69 | Head | Farmer | Iowa |
| 9 | Lucy E. Rickey | 66 | Wife | — | Iowa |
| 10 | B. Jarvis | 20 | Hired Girl | Housekeeper | Iowa |
| 11 | John N. Work | 68 | Head | Farmer | Iowa |
| 12 | Glenna M. Work | 69 | Wife | — | Missouri |
| 13 | Guy Work | 30 | Son | — | Iowa |
| 14 | Claude B. White | 59 | Head | Labor | Illinois |
| 15 | Estabelle White | 59 | Wife | — | Iowa |
| 16 | Eugene White | 20 | Son | — | Iowa |
| 17 | Harry E. Jones | 48 | Head | Laborer | Missouri |
| 18 | Hazel E. Jones | 34 | Wife | — | Kansas |
| 19 | David E. Jones | 17 | Son | Laborer | Iowa |
| 20 | Junior Harrison | 5 | Son | — | Missouri |
| 21 | Elza Lee Harrison | 1 | Son | — | Iowa |
| 22 | Clarence M. Bensen | 63 | Head | Farmer | Iowa |
| 23 | Eulalia E. Bensen | 45 | Wife | Teacher | Iowa |
| 24 | Carol L. Bensen | 21 | Daughter | Teacher | Iowa |
| 25 | John C. Mckune | 54 | Head | Farmer | Iowa |
| 26 | Ida Mae Mckune | 47 | Wife | — | Iowa |
| 27 | Harry C. Mckune | 15 | Son | — | Iowa |
| 28 | John C. Jr. Mckune | 13 | Son | — | Iowa |
| 29 | Helen D. Mckune | 11 | Daughter | — | Iowa |
| 30 | Dorothy M. Mckune | 8 | Daughter | — | Iowa |
| 31 | Ida Joan Mckune | 5 | Daughter | — | Iowa |
| 32 | Rex E. Mckune | 3 | Son | — | Iowa |
| 33 | Louis F. Petre | 65 | Head | Farmer | Iowa |
| 34 | Emma M. Petre | 56 | Wife | Farmer | Germany |
| 35 | Leo P. Petre | 21 | Son | — | Iowa |
| 36 | Marcus Kuhn | 37 | Head | Farmer | Iowa |
| 37 | Frances K. Kuhn | 37 | Wife | — | Iowa |
| 38 | Agnes L. Kuhn | 26 | Wife | — | Iowa |
| 39 | Eugene F. Kuhn | 7 | Son | — | Iowa |
| 40 | Dale L. Kuhn | 5 | Son | — | Iowa |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 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)