IP
Ida Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Iowa
Our Model Tree links this Ida Peterson across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 10-person household.
Age 45
b. ~1895
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Iowa |
| Surname | Peterson |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Lyon |
| 1935 Residence (County) | Hamilton |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Lyon |
| Est. Birth Year | ~1895 |
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 Ida | Age | Birth yr |
|---|---|---|---|---|
| Ina Peterson | Daughter | — | 13 | ~1927 |
| Stanley Peterson | Son | — | 4 | ~1936 |
| Marvin Peterson | Son | — | 21 | ~1919 |
| Arling Peterson | Son | — | 17 | ~1923 |
| Sterling Peterson | Son | — | 9 | ~1931 |
| Robert Peterson | Son | — | 11 | ~1929 |
| Leslie Peterson | Son | — | 15 | ~1925 |
| Naomi Peterson | Daughter | — | 19 | ~1921 |
| Ida Peterson | Spouse | — | 45 | ~1895 |
| Anton Peterson | Head | — | 78 | ~1862 |
Census Appearances
1920
Hamilton, Iowa
Other, age 25
Hamilton, Iowa · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ida |
| Relationship to Head | Daughter in law |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | norway |
1930
Hamilton, Iowa
Other, age 35
Hamilton, Iowa · implied b. ~1895 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ida M. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Hamilton-County, Iowa
Spouse, age 45
Hamilton-County, Iowa · implied b. ~1895 — 10 household members
| Surname | Peterson |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Lyon |
| 1935 Residence (County) | Hamilton |
| Naturalization Status | Naturalized |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Ida Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Peterson
Spouse · 1940 · age 45 · b. ~1895 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Iowa
Open full size
1940 US Federal Census — Hamilton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01164-00463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Melvin Whitlaw | 27 | Head | Laborer | Kansas |
| 42 | William Buckels | 63 | Head | Farmer | Iowa |
| 43 | Genevieve Buckels | 60 | Wife | — | Illinois |
| 44 | William Jr. Buckels | 20 | Son | — | Iowa |
| 45 | Otto Isaac | 29 | Hired Man | Laborer | Iowa |
| 46 | John D. Johnson | 76 | Head | Farmer | Illinois |
| 47 | Mabel Johnson | 44 | Daughter | — | Iowa |
| 48 | Lloyd Buckels | 35 | Head | Farmer | Iowa |
| 49 | Olava Buckels | 29 | Wife | — | Iowa |
| 50 | Lloyd Jr. Buckels | 9 | Son | — | Iowa |
| 51 | James Buckels | 7 | Son | — | Iowa |
| 52 | Janet Buckels | 4 | Daughter | — | Iowa |
| 53 | Janice Buckels | 4 | Daughter | — | Iowa |
| 54 | Burton Anderson | 20 | Hired Man | Laborer | Iowa |
| 55 | Elmer Greene | 62 | Head | Farmer | Iowa |
| 56 | Iora Greene | 54 | Wife | — | Iowa |
| 57 | Ralph Greene | 27 | Son | Farmer | Iowa |
| 58 | Edna Mae Greene | 15 | Daughter | — | Iowa |
| 59 | James L. Olsen | 63 | Head | Farmer | Iowa |
| 60 | Millie Olsen | 58 | Wife | — | Iowa |
| 61 | Almira Olsen | 21 | Daughter | Stenographer | Iowa |
| 62 | Eugene Olsen | 13 | Son | — | Iowa |
| 63 | Clarence Olsen | 70 | Brother | Laborer | Iowa |
| 64 | Alfred Jorgenson | 44 | Head | Farmer | Norway |
| 65 | Selma Jorgenson | 39 | Wife | — | Iowa |
| 66 | Donald Jorgenson | 16 | Son | — | Iowa |
| 67 | Norma Jorgenson | 14 | Daughter | — | Iowa |
| 68 | Joan Jorgenson | 9 | Daughter | — | Iowa |
| 69 | Anton Peterson | 78 | Head | Farmer | Iowa |
| 70 | Ida Peterson THIS PERSON | 45 | Wife | — | Norway |
| 71 | Marvin Peterson | 21 | Son | — | Iowa |
| 72 | Naomi Peterson | 19 | Daughter | — | Iowa |
| 73 | Arling Peterson | 17 | Son | — | Iowa |
| 74 | Leslie Peterson | 15 | Son | — | Iowa |
| 75 | Ina Peterson | 13 | Daughter | — | Iowa |
| 76 | Robert Peterson | 11 | Son | — | Iowa |
| 77 | Sterling Peterson | 9 | Son | — | Iowa |
| 78 | Stanley Peterson | 4 | Son | — | Iowa |
| 79 | Al W. Ewing | 57 | Head | Farmer | Illinois |
| 80 | Alfred M. Isvik | 42 | 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)