DP
Donald Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Webster-County, Iowa
Our Model Tree links this Donald Peterson across the 1930 and 1940 US Censuses in Webster-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Webster-County, Iowa |
| Surname | Peterson |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Dayton Town |
| 1935 Residence (County) | Webster |
| Additional Details | |
| Highest Grade | G 7 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Dayton Town |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Edith Peterson | Spouse | — | 53 | ~1887 |
| Jean Peterson | Daughter | — | 16 | ~1924 |
| Harvey Peterson | Son | — | 14 | ~1926 |
| Donald Peterson | Son | — | 13 | ~1927 |
| Eloise Peterson | Daughter | — | 10 | ~1930 |
| Boyd Peterson | Son | — | 7 | ~1933 |
| J Peterson | Head | — | 52 | ~1888 |
Census Appearances
1930
Webster, Iowa
Son, age 3
Webster, Iowa · implied b. ~1927 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Donald C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Webster-County, Iowa
Son, age 13
Webster-County, Iowa · implied b. ~1927 — 7 household members
| Surname | Peterson |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Dayton Town |
| 1935 Residence (County) | Webster |
| Highest Grade | G 7 |
| 1935 Residence | Same house |
| 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 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 13 · b. ~1927 · Iowa
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Sibling
Boyd Peterson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloise Peterson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Peterson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Peterson
Sibling · 1940 · age 14
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 — Webster-County, Iowa
Open full size
1940 US Federal Census — Webster-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01212-00151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Darlene Struckman | 15 | Daughter | — | Iowa |
| 42 | Robert L. Struckman | 13 | Son | — | Iowa |
| 43 | Marjean Struckman | 11 | Daughter | — | Iowa |
| 44 | Beverly Struckman | 7 | Daughter | — | Iowa |
| 45 | Dolores Struckman | 5 | Daughter | — | Iowa |
| 46 | Glen A. Struckman | 4 | Son | — | Iowa |
| 47 | Keith Struckman | 1 | Son | — | Iowa |
| 48 | Freddie Jr. Struckman | 0 | Son | — | Iowa |
| 49 | Mary E. Allen | 74 | Head | — | Iowa |
| 50 | John B. Isaacson | 69 | Head | Proprietor | Norway |
| 51 | Anna V. Isaacson | 41 | Wife | Salesman | Iowa |
| 52 | Milo H. Isaacson | 39 | Son | Salesman | Iowa |
| 53 | G. William Larson | 50 | Head | Stock Buyer | Iowa |
| 54 | Esther Larson | 45 | Wife | — | Illinois |
| 55 | Doris Larson | 12 | Daughter | — | Iowa |
| 56 | J. Albert Haleen | 71 | Head | — | Iowa |
| 57 | Emma S. Haleen | 70 | Wife | — | Iowa |
| 58 | Hannah E. Johnson | 51 | Head | Peddler | Iowa |
| 59 | Mildred D. Holt | 28 | Lodger | Teacher | Iowa |
| 60 | Carl E. Gudviken | 36 | Head | Partner-Manager | Iowa |
| 61 | Virginia Gudviken | 30 | Wife | — | Utah |
| 62 | Lee E. Gudviken | 4 | Son | — | Iowa |
| 63 | Mary V. Gudviken | 1 | Daughter | — | Iowa |
| 64 | Josephine Buthert | 18 | Servant | Servant | Iowa |
| 65 | J. Albert Peterson | 52 | Head | Proprietor | Iowa |
| 66 | Edith Peterson | 53 | Wife | — | Illinois |
| 67 | Jean Peterson | 16 | Daughter | — | Iowa |
| 68 | Harvey Peterson | 14 | Son | — | Iowa |
| 69 | Donald Peterson THIS PERSON | 13 | Son | — | Iowa |
| 70 | Eloise Peterson | 10 | Daughter | — | Iowa |
| 71 | Boyd Peterson | 7 | Son | — | Iowa |
| 72 | Jennie S. Lundien | 62 | Head | Postmistress | Iowa |
| 73 | Anna C. Lundien | 96 | Mother | — | Sweden |
| 74 | Hilma O. Fredrickson | 67 | Sister | — | Iowa |
| 75 | Melvin M. Forsberg | 32 | Head | Automobile Mechanic | Iowa |
| 76 | Letha Forsberg | 32 | Wife | — | New Mexico |
| 77 | Jerry Forsberg | 5 | Son | — | Iowa |
| 78 | Donald Forsberg | 2 | Son | — | Iowa |
| 79 | Vinnie Watson | 61 | Mother-in-law | — | West Virginia |
| 80 | Andrew Lundquist | 76 | Head | — | Sweden |
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)