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John Dougherty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allamakee-County, Iowa
Our Model Tree links this John Dougherty across the 1930 and 1940 US Censuses in Allamakee-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allamakee-County, Iowa |
| Surname | Dougherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Union Prairie |
| 1935 Residence (County) | Allamakee |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Union Prairie |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helen Dougherty | Daughter | — | 5 | ~1935 |
| Lela Dougherty | Daughter | — | 10 | ~1930 |
| Alice Dougherty | Daughter | — | 13 | ~1927 |
| Mary Dougherty | Daughter | — | 19 | ~1921 |
| Emmet Dougherty | Head | — | 49 | ~1891 |
| James Dougherty | Son | — | 3 | ~1937 |
| John Dougherty | Son | — | 15 | ~1925 |
| Joseph Dougherty | Son | — | 8 | ~1932 |
| Donald Dougherty | Son | — | 17 | ~1923 |
| Irene Dougherty | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Allamakee, Iowa
Son, age 5
Allamakee, Iowa · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dougherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Allamakee-County, Iowa
Son, age 15
Allamakee-County, Iowa · implied b. ~1925 — 10 household members
| Surname | Dougherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Union Prairie |
| 1935 Residence (County) | Allamakee |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| 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 Dougherty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dougherty
Son · 1940 · age 15 · b. ~1925 · Iowa
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Sibling
Mary Dougherty
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Dougherty
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dougherty
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lela Dougherty
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Dougherty
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Dougherty
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dougherty
Sibling · 1940 · age 8
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 — Allamakee-County, Iowa
Open full size
1940 US Federal Census — Allamakee-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01136-01213)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norma Severide | 15 | Daughter | — | Iowa |
| 2 | Urban Mellick | 30 | Head | Farmer | Iowa |
| 3 | Helen Mellick | 28 | Wife | — | Iowa |
| 4 | James Mellick | 3 | Son | — | Iowa |
| 5 | Emmet Dougherty | 49 | Head | Farmer | Iowa |
| 6 | Irene Dougherty | 42 | Wife | — | Iowa |
| 7 | Mary Dougherty | 19 | Daughter | — | Iowa |
| 8 | Donald Dougherty | 17 | Son | Farm Laborer | Iowa |
| 9 | John Dougherty THIS PERSON | 15 | Son | — | Iowa |
| 10 | Alice Dougherty | 13 | Daughter | — | Iowa |
| 11 | Lela Dougherty | 10 | Daughter | — | Iowa |
| 12 | Joseph Dougherty | 8 | Son | — | Iowa |
| 13 | Helen Dougherty | 5 | Daughter | — | Iowa |
| 14 | James Dougherty | 3 | Son | — | Iowa |
| 15 | Margaret Mahoney | 64 | Head | — | Iowa |
| 16 | Edward Mahoney | 34 | Son | Farm Laborer | Iowa |
| 17 | Peter Mahoney | 28 | Son | Farm Laborer | Iowa |
| 18 | Joseph Hagensick | 33 | Head | Farmer | Iowa |
| 19 | Lois Hagensick | 28 | Wife | — | Iowa |
| 20 | John Hagensick | 6 | Son | — | Iowa |
| 21 | Keith Bloxham | 17 | Hired Hand | Farm Laborer | Iowa |
| 22 | Gustav Gruber | 70 | Head | Farmer | Iowa |
| 23 | Matilda Gruber | 62 | Wife | — | Iowa |
| 24 | Vernon Gruber | 35 | Son | Farm Laborer | Iowa |
| 25 | Robert Rea | 48 | Head | Farmer | Iowa |
| 26 | Marie Rea | 38 | Wife | — | Iowa |
| 27 | Raymond Rea | 17 | Son | Farm Laborer | Iowa |
| 28 | William Rea | 15 | Son | Farm Laborer | Iowa |
| 29 | Mary Rea | 13 | Daughter | — | Iowa |
| 30 | Raphael Rea | 9 | Son | — | Iowa |
| 31 | William Rea | 58 | Brother | Patent Medicine Salesman | Iowa |
| 32 | Carl Johnson | 49 | Head | Farmer | Sweden |
| 33 | Emma Johnson | 48 | Wife | — | Sweden |
| 34 | Esther Johnson | 18 | Daughter | — | Iowa |
| 35 | Earl Johnson | 17 | Son | Farm Laborer | Iowa |
| 36 | Clarence Johnson | 15 | Son | — | Iowa |
| 37 | Ruth Johnson | 12 | Daughter | — | Iowa |
| 38 | Harry Urell | 41 | Head | Farmer | Iowa |
| 39 | Mary Urell | 39 | Wife | — | South Dakota |
| 40 | Katherine Urell | 69 | Mother | — | 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)