RD
Robert Dunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Doniphan-County, Kansas
Our Model Tree links this Robert Dunn across the 1930 and 1940 US Censuses in Doniphan-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Doniphan-County, Kansas |
| Surname | Dunn |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Highland |
| 1935 Residence (County) | Doniphan |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Highland |
| Est. Birth Year | ~1928 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Francis Dunn | Daughter | — | 17 | ~1923 |
| Annie Dunn | Daughter | — | 15 | ~1925 |
| Mary Dunn | Daughter | — | 10 | ~1930 |
| Ruth Dunn | Daughter | — | 19 | ~1921 |
| Ralph Dunn | Head | — | 42 | ~1898 |
| August Roellchen | Other | — | 69 | ~1871 |
| James Dunn | Son | — | 5 | ~1935 |
| Ralph Dunn | Son | — | 8 | ~1932 |
| Robert Dunn | Son | — | 12 | ~1928 |
| Josephine Dunn | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Doniphan, Kansas
Son, age 2
Doniphan, Kansas · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Doniphan-County, Kansas
Son, age 12
Doniphan-County, Kansas · implied b. ~1928 — 10 household members
| Surname | Dunn |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Highland |
| 1935 Residence (County) | Doniphan |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Robert Dunn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Dunn
Son · 1940 · age 12 · b. ~1928 · Kansas
★ You are viewing this record
Sibling
Mary Dunn
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dunn
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Dunn
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Dunn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Dunn
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Dunn
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 — Doniphan-County, Kansas
Open full size
1940 US Federal Census — Doniphan-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01229-00125)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie D Jones | 61 | Wife | — | Kansas |
| 2 | Minnie M Jones | 17 | Daughter | Teacher | Kansas |
| 3 | John A Jr Jones | 25 | Son | — | Kansas |
| 4 | Jean L Jones | 17 | Daughter | — | Kansas |
| 5 | Jane I Jones | 17 | Daughter | — | Kansas |
| 6 | Maude M Overlander | 61 | Sister | — | Kansas |
| 7 | Mark B Weidensaul | 72 | Head | — | Penn |
| 8 | Estella M Weidensaul | 70 | Wife | — | Ohio |
| 9 | Mabel Shook | 36 | Daughter | Housekeeper | Kansas |
| 10 | Anita Shook | 5 | Granddaughter | — | Kansas |
| 11 | Emma R Foutz | 88 | Head | — | Missouri |
| 12 | Ralph M Dunn | 42 | Head | Laborer | Missouri |
| 13 | Josephine Dunn | 37 | Wife | Cook | Missouri |
| 14 | Ruth I Dunn | 19 | Daughter | — | Kansas |
| 15 | Francis L Dunn | 17 | Daughter | — | Kansas |
| 16 | Annie Mae Dunn | 15 | Daughter | — | Kansas |
| 17 | Robert M Dunn THIS PERSON | 12 | Son | — | Kansas |
| 18 | Mary Jo Dunn | 10 | Daughter | — | Kansas |
| 19 | Ralph E Dunn | 8 | Son | — | Kansas |
| 20 | James D Dunn | 5 | Son | — | Kansas |
| 21 | August Roellchen | 69 | In law | — | Maryland |
| 22 | Jennie W Yueck | 70 | Head | — | Illinois |
| 23 | Edw E French | 35 | Head | Planing Roads | Kansas |
| 24 | Blanche French | 29 | Wife | — | Kansas |
| 25 | William E French | 13 | Son | — | Kansas |
| 26 | Mary L French | 6 | Daughter | — | Kansas |
| 27 | Susan C Morgan | 80 | Head | — | Kentucky |
| 28 | James M Thomas | 28 | Head | Laborer | Missouri |
| 29 | Eunice V Thomas | 25 | Wife | — | Iowa |
| 30 | Barbara A Thomas | 2 | Daughter | — | Iowa |
| 31 | Jacob R Flackers | 23 | Head | Truck | Kansas |
| 32 | Mary Flackers | 20 | Wife | — | Nebraska |
| 33 | Kathryn E Flackers | 8 | Sister | — | Kansas |
| 34 | Kenneth E Flackers | 5 | Brother | — | Kansas |
| 35 | Fred W Holden | 79 | Head | — | Vermont |
| 36 | Margaret E Holden | 76 | Wife | — | Illinois |
| 37 | James W Willcox | 66 | Head | Laborer | Iowa |
| 38 | Teresa P Willcox | 58 | Wife | — | Illinois |
| 39 | Oliver H Floyd | 59 | Head | — | Kentucky |
| 40 | Mary A Floyd | 81 | Mother | — | Kentucky |
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)