DP
Donald Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Nelson-County, North Dakota
Our Model Tree links this Donald Peterson across the 1930 and 1940 US Censuses in Nelson-County, North Dakota (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nelson-County, North Dakota |
| Surname | Peterson |
| Given Name | Donald F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Petersburg Township |
| 1935 Residence (County) | Nelson |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Petersburg Township |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Lorraine Peterson | Daughter | — | 10 | ~1930 |
| Mary Peterson | Spouse | — | 43 | ~1897 |
| Donald Peterson | Son | — | 3 | ~1937 |
| Peter Peterson | Head | — | 44 | ~1896 |
| Dorothy Peterson | Daughter | — | 19 | ~1921 |
| Donald Peterson | Son | — | 12 | ~1928 |
| George Peterson | Son | — | 6 | ~1934 |
| Robert Peterson | Son | — | 5 | ~1935 |
| Owen Peterson | Son | — | 18 | ~1922 |
Census Appearances
1930
Nelson, North …
Son, age 2
Nelson, North Dakota · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Donald P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | North Dakota |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Nelson-County, North …
Son, age 12
Nelson-County, North Dakota · implied b. ~1928 — 9 household members
| Surname | Peterson |
| Given Name | Donald F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Petersburg Township |
| 1935 Residence (County) | Nelson |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Donald Peterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Peterson
Son · 1940 · age 12 · b. ~1928 · North Dakota
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Sibling
Dorothy Peterson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Owen Peterson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Peterson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Peterson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Peterson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Peterson
Sibling · 1940 · age 3
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 — Nelson-County, North Dakota
Open full size
1940 US Federal Census — Nelson-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03008-00676)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Iver Ekrom | 61 | Head | — | Norway |
| 42 | Adelaide A. Ekrom | 34 | Wife | — | North Dakota |
| 43 | Jennings B. Ekrom | 28 | Son | Laborer | North Dakota |
| 44 | Phyllis B. Ekrom | 20 | Daughter | — | North Dakota |
| 45 | Hansina Hanson | 71 | Head | — | Norway |
| 46 | Elmer O. Hanson | 32 | Son | — | North Dakota |
| 47 | Beulah A. Hanson | 28 | Daughter-in-law | — | Canada-English |
| 48 | Verdell G. Hanson | 6 | Granddaughter | — | North Dakota |
| 49 | Eldred O. Hanson | 4 | Grandson | — | North Dakota |
| 50 | Leslie A. Hanson | 2 | Grandson | — | North Dakota |
| 51 | Jennie S. Hanson | 26 | Daughter | — | North Dakota |
| 52 | Peter O. Peterson | 44 | Head | Farmer | Norway |
| 53 | Mary Peterson | 43 | Wife | — | North Dakota |
| 54 | Owen R. Peterson | 18 | Son | — | North Dakota |
| 55 | Dorothy J. Peterson | 19 | Daughter | — | North Dakota |
| 56 | Donald F. Peterson THIS PERSON | 12 | Son | — | North Dakota |
| 57 | Lorraine E. Peterson | 10 | Daughter | — | North Dakota |
| 58 | George A. Peterson | 6 | Son | — | North Dakota |
| 59 | Robert G. Peterson | 5 | Son | — | North Dakota |
| 60 | Donald Peterson | 3 | Son | — | North Dakota |
| 61 | Frank J. Byrne | 61 | Head | Farmer | Wisconsin |
| 62 | Beulah M. Byrne | 52 | Wife | — | Colorado |
| 63 | Lillian A. Byrne | 19 | Daughter | — | North Dakota |
| 64 | Charles H. Byrne | 17 | Son | Laborer | North Dakota |
| 65 | John A. Lowe | 64 | Head | Farmer | Norway |
| 66 | Sena R. Lowe | 59 | Wife | — | Norway |
| 67 | Clarence Hanson | 20 | Nephew | Laborer | North Dakota |
| 68 | Bertha Londerland | 74 | Head | — | Norway |
| 69 | Albert P. Londerland | 35 | Son | Farmer | North Dakota |
| 70 | Margareta Londerland | 27 | Daughter-in-law | — | Minnesota |
| 71 | Carl S. Londerland | 30 | Son | Laborer | North Dakota |
| 72 | Bart W. Andrews | 79 | Head | Farmer | Wisconsin |
| 73 | Agnes V. Andrews | 47 | Daughter | — | North Dakota |
| 74 | Pearl H. Andrews | 38 | Daughter | — | North Dakota |
| 75 | Joseph La Porte | 22 | Hired man | Laborer | North Dakota |
| 76 | Hans L. Helde | 58 | Head | Farmer | Norway |
| 77 | Petrina Helde | 61 | Wife | — | Norway |
| 78 | Laura A. Helde | 31 | Daughter | — | North Dakota |
| 79 | Inglof Helde | 29 | Daughter | Sales Clerk | North Dakota |
| 80 | Lars Helde | 28 | Son | Laborer | North Dakota |
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)