JD
John Doran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pima-County, Arizona
Our Model Tree links this John Doran across the 1930 and 1940 US Censuses in Pima-County, Arizona (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pima-County, Arizona |
| Surname | Doran |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Ajo |
| 1935 Residence (County) | Pima |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Ajo |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Doran | Head | — | 61 | ~1879 |
| Teddy Doran | Son | — | 12 | ~1928 |
| Katherine Doran | Spouse | — | 58 | ~1882 |
| William Doran | Son | — | 17 | ~1923 |
| James Doran | Son | — | 24 | ~1916 |
| John Doran | Son | — | 22 | ~1918 |
Census Appearances
1930
Pima, Arizona
Son, age 12
Pima, Arizona · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doran |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Pima-County, Arizona
Son, age 22
Pima-County, Arizona · implied b. ~1918 — 6 household members
| Surname | Doran |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Ajo |
| 1935 Residence (County) | Pima |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Doran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Doran
Son · 1940 · age 22 · b. ~1918 · Arizona
★ You are viewing this record
Sibling
James Doran
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Doran
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Teddy Doran
Sibling · 1940 · age 12
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 — Pima-County, Arizona
Open full size
1940 US Federal Census — Pima-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00112-00892)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel Jr. Daniel | 9 | Son | — | Louisiana |
| 2 | Hersal Daniel | 7 | Son | — | Louisiana |
| 3 | Elton Daniel | 5 | Son | — | Louisiana |
| 4 | Odell Daniel | 3 | Son | — | Arizona |
| 5 | Carl Daniel | 2 | Son | — | Arizona |
| 6 | Carline Daniel | 0 | Daughter | — | Arizona |
| 7 | James H. Doran | 61 | Head | Weigh Master | Wisconsin |
| 8 | Katherine A. Doran | 58 | Wife | — | Minnesota |
| 9 | James A. Doran | 24 | Son | Churn Driller | Minnesota |
| 10 | John P. Doran THIS PERSON | 22 | Son | — | Minnesota |
| 11 | William J. Doran | 17 | Son | Extra Operator | Minnesota |
| 12 | Teddy R. Doran | 12 | Son | — | Arizona |
| 13 | Peter Harg | 40 | Head | Department Manager | Russia |
| 14 | Ina E. Harg | 40 | Wife | — | Arizona |
| 15 | Bill H. Harg | 19 | Son | Apprentice Machinist | Arizona |
| 16 | Mary H. Harg | 13 | Daughter | — | Arizona |
| 17 | Robert L. Harg | 10 | Son | — | Arizona |
| 18 | Fred L. Gould | 62 | Head | Locomotive Fireman | Illinois |
| 19 | Mildred A. Gould | 54 | Wife | — | Missouri |
| 20 | Gilden E. Sallee | 33 | Head | Chemist | Missouri |
| 21 | Louise A. Sallee | 33 | Wife | Music Teacher | Colorado |
| 22 | Andrew D. Mckendrick | 55 | Head | Supply Foreman | Colorado |
| 23 | Martha L. Gatlin | 74 | Head | — | Alabama |
| 24 | Birdie E. Gatlin | 39 | Daughter | Book Keeper | Texas |
| 25 | Devade M. Gatlin | 36 | Daughter | Maid | Texas |
| 26 | Devereaux D. Clark | 37 | Head | Supply Foreman | Wisconsin |
| 27 | Darris M. Clark | 31 | Wife | — | California |
| 28 | Walter R. Denison | 64 | Head | Department Manager | Pennsylvania |
| 29 | Charles L. Denison | 30 | Son | Truck Driver | Arizona |
| 30 | John Lippert | 55 | Head | Foreman Machinist | Germany |
| 31 | Dolly E. Lippert | 46 | Wife | — | England |
| 32 | Ernest W. Busby | 49 | Son-in-law | Park Custodian | England |
| 33 | Padley E. Carlton | 41 | Head | Chemist | Wisconsin |
| 34 | Bessie A. Carlton | 39 | Wife | — | Wisconsin |
| 35 | Shirley J. Carlton | 12 | Daughter | — | Tennessee |
| 36 | Thomas R. Adams | 30 | Lodger | Diesel Engineer | Tennessee |
| 37 | Frank M. Randolph | 33 | Head | Safety Engineer | Virginia |
| 38 | Leona J. Randolph | 37 | Wife | — | Texas |
| 39 | Thomas M. Randolph | 3 | Son | — | Arizona |
| 40 | Lena R. Snyder | 56 | Head | Manager | Texas |
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)