AP
Andrew Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Isanti-County, Minnesota
Our Model Tree links this Andrew Peterson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Isanti-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 66
b. ~1874
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Isanti-County, Minnesota |
| Surname | Peterson |
| Given Name | Andrew |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Spencer Brook |
| 1935 Residence (County) | Isanti |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Spencer Brook |
| Est. Birth Year | ~1874 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Andrew | Age | Birth yr |
|---|---|---|---|---|
| Andrew Peterson | Head | — | 66 | ~1874 |
| Lillian Peterson | Other | — | 24 | ~1916 |
| Mona Peterson | Other | — | ~1940 | |
| Frances Peterson | Other | — | 2 | ~1938 |
| Leon Peterson | Son | — | 28 | ~1912 |
Census Appearances
1900
Isanti, Minnesota
Head, age 25
Isanti, Minnesota · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Andrew |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Birth Month | Mar |
| Birth Year | 1875 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
Isanti, Minnesota
Head, age 35
Isanti, Minnesota · implied b. ~1875
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Peterson |
| Given Name | Andrew E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Years Married | 10 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Isanti, Minnesota
Head, age 44
Isanti, Minnesota · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Andrew E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Widowed |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Isanti, Minnesota
Head, age 55
Isanti, Minnesota · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Andrew |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 27 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Isanti-County, Minnesota
Head, age 66
Isanti-County, Minnesota · implied b. ~1874 — 5 household members
| Surname | Peterson |
| Given Name | Andrew |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Spencer Brook |
| 1935 Residence (County) | Isanti |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 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 Andrew Peterson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Andrew Peterson
Head · 1940 · age 66 · b. ~1874 · Minnesota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Isanti-County, Minnesota
Open full size
1940 US Federal Census — Isanti-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01927-01123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Parsons | 52 | Head | Proprietor | Norway |
| 42 | Lenora Parsons | 46 | Wife | — | Minnesota |
| 43 | Richard Nelson | 13 | Step-son | — | Minnesota |
| 44 | Arnold Henly | 36 | Head | Engineer | Minnesota |
| 45 | Lenora Henly | 28 | Wife | — | Minnesota |
| 46 | Wanda Henly | 7 | Daughter | — | Minnesota |
| 47 | Godfrey Heisler | 52 | Head | Farmer | Minnesota |
| 48 | Effie Heisler | 49 | Wife | — | Wisconsin |
| 49 | Dorothy Heisler | 18 | Daughter | — | Minnesota |
| 50 | Joyce Heisler | 16 | Daughter | — | Minnesota |
| 51 | Jeanette Heisler | 14 | Daughter | — | Minnesota |
| 52 | Jerry Heisler | 11 | Son | — | Minnesota |
| 53 | Ramona Heisler | 7 | Daughter | — | Minnesota |
| 54 | Herman Abraham | 48 | Hired man | Farm Laborer | Minnesota |
| 55 | William Gurney | 29 | Hired man | Farm Laborer | Minnesota |
| 56 | Lawrence Johnson | 34 | Head | Laborer | Minnesota |
| 57 | Signe Johnson | 33 | Wife | — | Minnesota |
| 58 | Lyle Johnson | 8 | Son | — | Minnesota |
| 59 | Addie Johnson | 5 | Daughter | — | Minnesota |
| 60 | Dale Johnson | 3 | Son | — | Minnesota |
| 61 | Albin Ericson | 36 | Head | Farmer | Minnesota |
| 62 | Ellen Ericson | 31 | Wife | — | Minnesota |
| 63 | Harold Clough | 38 | Head | Store Keeper | Minnesota |
| 64 | Helen Clough | 33 | Wife | — | Minnesota |
| 65 | Jerry Kelley | 13 | Step-son | — | Minnesota |
| 66 | Anita Kelley | 9 | Step-daughter | — | Minnesota |
| 67 | Eugene Clough | 2 | Son | — | Minnesota |
| 68 | Percy Lambert | 50 | Head | Farmer | Minnesota |
| 69 | Eva Lambert | 45 | Wife | — | Minnesota |
| 70 | Clifton Lambert | 6 | Nephew | — | Minnesota |
| 71 | Frank Impling | 52 | Head | Farmer | Iowa |
| 72 | Carrie Impling | 47 | Wife | — | Iowa |
| 73 | Francis Impling | 23 | Son | Farmer | Iowa |
| 74 | Ruth Impling | 22 | Daughter-in-law | — | Minnesota |
| 75 | Lucille Impling | 19 | Daughter | Maid | Iowa |
| 76 | Andrew Peterson THIS PERSON | 66 | Head | Farmer | Minnesota |
| 77 | Leon Peterson | 28 | Son | Farm Laborer | Minnesota |
| 78 | Lillian Peterson | 24 | Daughter-in-law | — | Minnesota |
| 79 | Frances Peterson | 2 | Granddaughter | — | Minnesota |
| 80 | Mona Marie Peterson | 0 | Granddaughter | — | Minnesota |
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)