IA
Isaac Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Minnesota
Our Model Tree links this Isaac Anderson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Polk-County, Minnesota (XGBoost, ~Confirmed), with identified parents Taral & Thore — first a head (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Minnesota |
| Surname | Anderson |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Higdem Township |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 35 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Higdem Township |
| Est. Birth Year | ~1885 |
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 Isaac | Age | Birth yr |
|---|---|---|---|---|
| Gunhild Anderson | Spouse | — | 45 | ~1895 |
| Norris Anderson | Son | — | 11 | ~1929 |
| Arnold Anderson | Son | — | 15 | ~1925 |
| Tommy Anderson | Son | — | 18 | ~1922 |
| Isaac Anderson | Head | — | 55 | ~1885 |
Census Appearances
1900
Polk, Minnesota
Son, age 16
Polk, Minnesota · implied b. ~1884 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Isac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Sept |
| Birth Year | 1884 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Occupation | Farm laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
Polk, Minnesota
Son, age 25
Polk, Minnesota · implied b. ~1885 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Isak |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Years Married | 4 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Occupation | Farm laborer |
| Industry | Home farm |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Polk, Minnesota
Head, age 35
Polk, Minnesota · implied b. ~1885 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Isaac T |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| 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 | M |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Polk, Minnesota
Head, age 45
Polk, Minnesota · implied b. ~1885 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Isaac J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 21 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Occupation | Farming |
| Class of Worker | E |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Polk-County, Minnesota
Head, age 55
Polk-County, Minnesota · implied b. ~1885 — 5 household members
| Surname | Anderson |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Higdem Township |
| 1935 Residence (County) | Polk |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 35 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Isaac Anderson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Taral Anderson (~0.92 confidence) and father Thore Anderson (~0.92 confidence) and mother Arbor Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Taral Anderson
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Thore Anderson
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Arbor Anderson
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Anderson
Head · 1940 · age 55 · b. ~1885 · Minnesota
★ 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 — Polk-County, Minnesota
Open full size
1940 US Federal Census — Polk-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01949-00575)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annie Vollen | 55 | Wife | — | Norway |
| 42 | Leo Wallenofsker | 44 | Head | Farmer | Minnesota |
| 43 | Leola Wallenofsker | 17 | Daughter | — | Minnesota |
| 44 | Margie Wallenofsker | 16 | Daughter | — | Minnesota |
| 45 | Jacob Jacobson | 69 | Head | — | Denmark |
| 46 | Tenderesy Jacobson | 75 | Sister | — | Denmark |
| 47 | Charles Murphy | 47 | Head | Farmer | Minnesota |
| 48 | Hattie Murphy | 40 | Wife | — | Illinois |
| 49 | Francis Murphy | 17 | Son | — | North Dakota |
| 50 | Allan Murphy | 16 | Son | — | Illinois |
| 51 | John Stolmo | 55 | Head | Farmer | Minnesota |
| 52 | Annie Stolmo | 57 | Sister | Farmer | Minnesota |
| 53 | Andrew Stolmo | 51 | Brother | — | Minnesota |
| 54 | Frank Theis | 59 | Head | Farmer | Minnesota |
| 55 | Rose Theis | 58 | Wife | — | Minnesota |
| 56 | Ella Theis | 21 | Daughter | — | Minnesota |
| 57 | Albin Theis | 18 | Son | Laborer | Minnesota |
| 58 | Mary Theis | 15 | Daughter | — | Minnesota |
| 59 | Peder Jorgenson | 52 | Head | Farmer | Minnesota |
| 60 | Julia Jorgenson | 50 | Wife | — | Minnesota |
| 61 | Raymond Jorgenson | 20 | Son | Laborer | Minnesota |
| 62 | Aldora Jorgenson | 18 | Daughter | — | Minnesota |
| 63 | Nellie Jorgenson | 16 | Son | — | Minnesota |
| 64 | Robert Jorgenson | 14 | Son | — | Minnesota |
| 65 | Sheldon Jorgenson | 8 | Son | — | Minnesota |
| 66 | Oscar Iverson | 32 | Head | Farmer | Minnesota |
| 67 | Thelma Iverson | 26 | Wife | Laborer | Minnesota |
| 68 | Gladys Iverson | 2 | Daughter | — | North Dakota |
| 69 | Ella Iverson | 45 | Sister | — | Minnesota |
| 70 | Isaac Anderson THIS PERSON | 55 | Head | Farmer | Minnesota |
| 71 | Gunhild Anderson | 45 | Wife | — | Minnesota |
| 72 | Tommy Anderson | 18 | Son | Laborer | Minnesota |
| 73 | Arnold Anderson | 15 | Son | — | Minnesota |
| 74 | Norris Anderson | 11 | Son | — | Minnesota |
| 75 | Emil Anderson | 36 | Head | Grain Buyer | North Dakota |
| 76 | Holger Thorson | 22 | Lodger | Station Attendant | Minnesota |
| 77 | William Davidson | 49 | Head | Farmer | North Dakota |
| 78 | Pearl Davidson | 50 | Wife | — | Minnesota |
| 79 | Mary Davidson | 72 | Mother | — | Canada |
| 80 | George Davidson | 35 | Brother | Laborer | Minnesota |
Pedigree Summary
Isaac
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)