JQ
John Quinn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Iowa
Our Model Tree links this John Quinn across the 1920, 1930 and 1940 US Censuses in Washington-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 3-person household.
Age 55
b. ~1885
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Iowa |
| Surname | Quinn |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Highland Township |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 80 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Highland Township |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Frances Quinn | Daughter | — | 19 | ~1921 |
| John Quinn | Head | — | 55 | ~1885 |
| Katherine Quinn | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Washington, Iowa
Head, age 33
Washington, Iowa · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quinn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Illinois |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | oa |
| 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
Washington, Iowa
Head, age 45
Washington, Iowa · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quinn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Washington-County, Iowa
Head, age 55
Washington-County, Iowa · implied b. ~1885 — 3 household members
| Surname | Quinn |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Highland Township |
| 1935 Residence (County) | Washington |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 80 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| 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 Quinn 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 Quinn
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 — 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-t0627-01211-00212)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Milford Mccreedy | 32 | Head | Laborer | Iowa |
| 2 | Beatrice Mccreedy | 35 | Wife | Housewife | Iowa |
| 3 | Wilfred Mccreedy | 6 | Son | — | Iowa |
| 4 | Dorothy Mccreedy | 3 | Daughter | — | Iowa |
| 5 | Fred Kucera | 27 | Head | Laborer | Iowa |
| 6 | Alma Kucera | 22 | Wife | Housewife | Iowa |
| 7 | Kenneth Kucera | 0 | Son | — | Iowa |
| 8 | Ben B. Harrison | 49 | Head | Farm Laborer | Iowa |
| 9 | Irene Harrison | 44 | Wife | Housewife | Iowa |
| 10 | William Mcginnis | 44 | Head | Farm Laborer | Iowa |
| 11 | Georgia Mcginnis | 44 | Wife | Housewife | Iowa |
| 12 | William Mcginnis | 19 | Son | — | Iowa |
| 13 | Martha Mcginnis | 17 | Daughter | — | Iowa |
| 14 | Sara Anne Mcginnis | 4 | Daughter | — | Iowa |
| 15 | Thomas Hammons | 49 | Head | Laborer | Iowa |
| 16 | James Twailes | 41 | Head | Farm Laborer | Iowa |
| 17 | Helen Twailes | 41 | Wife | Housewife | Iowa |
| 18 | Ernest Twailes | 19 | Son | — | Iowa |
| 19 | Donald Twailes | 17 | Son | — | Iowa |
| 20 | Richard Twailes | 14 | Son | — | Iowa |
| 21 | Marie Twailes | 10 | Daughter | — | Iowa |
| 22 | John B. Quinn THIS PERSON | 55 | Head | Farm Laborer | Iowa |
| 23 | Katherine Quinn | 53 | Wife | Housewife | Iowa |
| 24 | Frances Quinn | 19 | Daughter | — | Iowa |
| 25 | J. J. Florang | 75 | Head | Farm Laborer | Iowa |
| 26 | Anna Florang | 72 | Wife | Housewife | Iowa |
| 27 | Tillie Bruegge | 46 | Daughter | Laborer | Iowa |
| 28 | Charles Bruegge | 22 | Son | Laborer | Iowa |
| 29 | Ruby Bruegge | 13 | Daughter | — | Iowa |
| 30 | John St. Eber | 48 | Head | Farm Laborer | Iowa |
| 31 | Sylvia St. Eber | 38 | Wife | Housewife | Iowa |
| 32 | Lewis St. Eber | 18 | Son | Laborer | Iowa |
| 33 | Lewis Maberly | 38 | Head | Farm Laborer | Iowa |
| 34 | Leona Maberly | 28 | Wife | Housewife | Iowa |
| 35 | Henry Harmon | 58 | Lodger | — | Iowa |
| 36 | Raber Owen | 61 | Head | Farm Laborer | Iowa |
| 37 | Myrtle Owen | 55 | Wife | Housewife | Iowa |
| 38 | Walter Marling | 44 | Head | Farm Laborer | Iowa |
| 39 | Rena Marling | 42 | Wife | Housewife | Iowa |
| 40 | Carl C. Steele | 42 | Head | Farm Laborer | 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)