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John Regan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this John Regan across the 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 8-person household.
Age 51
b. ~1889
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | Regan |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Concord TWP |
| 1935 Residence (County) | Dubuque |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Concord Twp |
| Est. Birth Year | ~1889 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Thomas Regan | Son | — | ~1940 | |
| John Regan | Head | — | 51 | ~1889 |
| Frank Stoffel | Other | — | 31 | ~1909 |
| Margaret Regan | Daughter | — | 3 | ~1937 |
| Mary Regan | Daughter | — | 4 | ~1936 |
| Kathleen Regan | Daughter | — | 2 | ~1938 |
| Veronica Regan | Spouse | — | 37 | ~1903 |
| John Regan | Son | — | 5 | ~1935 |
Census Appearances
1930
Dubuque, Iowa
Head, age 41
Dubuque, Iowa · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ragan |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Age at First Marriage | 32 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Head, age 51
Dubuque-County, Iowa · implied b. ~1889 — 8 household members
| Surname | Regan |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Concord TWP |
| 1935 Residence (County) | Dubuque |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Regan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Regan
Head · 1940 · age 51 · b. ~1889 · 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 — Dubuque-County, Iowa
Open full size
1940 US Federal Census — Dubuque-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01158-00104)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sylvester Potts | 32 | Head | Laborer | Iowa |
| 2 | Ralph Hilgenberk | 32 | Head | Farmer | Iowa |
| 3 | Mabel Hilgenberk | 29 | Wife | — | Iowa |
| 4 | James Hilgenberk | 5 | Son | — | Iowa |
| 5 | Donald Hilgenberk | 3 | Son | — | Iowa |
| 6 | Eldon Hilgenberk | 12 | Son | — | Iowa |
| 7 | Barbara Pfeiler | 56 | Mother in law | — | Iowa |
| 8 | Fred Rieseman | 47 | Head | Farmer | Truck Gardener | Iowa |
| 9 | Henrietta Rieseman | 40 | Wife | — | Iowa |
| 10 | Alphonse Rieseman | 41 | Brother | Attendant | Iowa |
| 11 | Alfred Reiter | 30 | Head | Farmer | Iowa |
| 12 | Mary Reiter | 66 | Mother | — | Iowa |
| 13 | Alma Reiter | 26 | Sister | — | Iowa |
| 14 | Joseph Buiter | 59 | Head | Farmer | Iowa |
| 15 | Kathryn Buiter | 51 | Wife | — | Iowa |
| 16 | Mildred Buiter | 17 | Daughter | — | Iowa |
| 17 | Fabian Buiter | 12 | Son | — | Iowa |
| 18 | Matthew Stoffel | 44 | Head | Farmer | Iowa |
| 19 | Charlotte Stoffel | 39 | Wife | — | Iowa |
| 20 | Veronica Stoffel | 19 | Daughter | — | Iowa |
| 21 | Raymond Stoffel | 17 | Son | — | Iowa |
| 22 | Eldon Stoffel | 16 | Son | — | Iowa |
| 23 | Arlene Stoffel | 10 | Daughter | — | Iowa |
| 24 | Leo Hannan | 49 | Head | Farmer | Iowa |
| 25 | Mary Hannan | 52 | Wife | — | Iowa |
| 26 | Arnold Hannan | 21 | Son | Laborer | Iowa |
| 27 | Marie Hannan | 21 | Daughter in law | — | Iowa |
| 28 | John H. Regan THIS PERSON | 51 | Head | Farmer | Iowa |
| 29 | Veronica Regan | 37 | Wife | — | Iowa |
| 30 | John Regan | 5 | Son | — | Iowa |
| 31 | Mary Regan | 4 | Daughter | — | Iowa |
| 32 | Margaret Regan | 3 | Daughter | — | Iowa |
| 33 | Kathleen Regan | 2 | Daughter | — | Iowa |
| 34 | Thomas Regan | 0 | Son | — | Iowa |
| 35 | Frank Stoffel | 31 | Hired hand | Laborer | Iowa |
| 36 | Anthony Meyer | 52 | Head | Farmer | South Dakota |
| 37 | Elizabeth Meyer | 51 | Wife | — | Iowa |
| 38 | Cletus Meyer | 19 | Son | — | Iowa |
| 39 | Cecilia Meyer | 16 | Daughter | — | Iowa |
| 40 | Arthur Berg | 31 | Head | Farmer | 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)