JH
John Hendrickson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this John Hendrickson across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Olaf & Ida — first a head (b.~1906), then head of a 5-person household.
Age 34
b. ~1906
Male
Head
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Hendrickson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Laborer |
| Industry | Engineering City Department |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Laborer |
| Township / Ward | Minneapolis |
| Est. Birth Year | ~1906 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Hendrickson | Head | — | 34 | ~1906 |
| Maxine Hendrickson | Daughter | — | 6 | ~1934 |
| Vina Hendrickson | Spouse | — | 31 | ~1909 |
| Gerard Hendrickson | Son | — | 8 | ~1932 |
| Jack Hendrickson | Son | — | 16 | ~1924 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 13
Hennepin, Minnesota · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendrickson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Norway |
| Year of Immigration | 1908 |
| Naturalization Status | Alien |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Delivery boy |
| Industry | Paper |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Hennepin, Minnesota
Head, age 24
Hennepin, Minnesota · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendrickson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1908 |
| Age at First Marriage | 21 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Inspector |
| Industry | Road machinery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Home Value / Rent | 24 |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Hennepin-County, Minnesota
Head, age 34
Hennepin-County, Minnesota · implied b. ~1906 — 5 household members
| Surname | Hendrickson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Naturalization Status | Naturalized |
| Occupation | Laborer |
| Industry | Engineering City Department |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| 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 John Hendrickson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Olaf Hendrickson (~0.92 confidence) and mother Ida Hendrickson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Olaf Hendrickson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Ida Hendrickson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hendrickson
Head · 1940 · age 34 · b. ~1906 · 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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01989-00319)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Howard | 15 | Son | — | Minnesota |
| 42 | Margaret Howard | 14 | Daughter | — | Minnesota |
| 43 | Irene Howard | 12 | Son | — | Minnesota |
| 44 | Axel Larsen | 48 | Head | Painter | Sweden |
| 45 | Sally Larsen | 47 | Wife | Cook | Sweden |
| 46 | Leonard Larsen | 21 | Son | — | Sweden |
| 47 | John Hendrickson THIS PERSON | 34 | Head | Laborer | Norway |
| 48 | Vina Hendrickson | 31 | Wife | — | Minnesota |
| 49 | Maxine Hendrickson | 6 | Daughter | — | Minnesota |
| 50 | Gerard Hendrickson | 8 | Son | — | Minnesota |
| 51 | Jack Hendrickson | 16 | Son | — | Minnesota |
| 52 | Andrew Kammerer | 30 | Head | Photographer | Minnesota |
| 53 | Myrtle Kammerer | 25 | Wife | — | Minnesota |
| 54 | Penny Kammerer | 5 | Son | — | Minnesota |
| 55 | Sandra Kammerer | 2 | Daughter | — | Minnesota |
| 56 | Karen Kammerer | 12 | Daughter | — | Minnesota |
| 57 | Pete Price | 53 | Lodger | Leather Worker | Scotland |
| 58 | Ingeborg Mae | 50 | Lodger | Maid | Norway |
| 59 | Axell Timmerholm | 68 | Head | Tool Designer | Sweden |
| 60 | Emma Timmerholm | 62 | Wife | — | Sweden |
| 61 | Gertrude Peterson | 39 | Lodger | Nurse | Minnesota |
| 62 | Lena Westlund | 62 | Head | — | Sweden |
| 63 | Irene Westlund | 35 | Son | Owner | Minnesota |
| 64 | Peter Spongard | 54 | Head | Glassman | Norway |
| 65 | Edna Spongard | 49 | Wife | — | Minnesota |
| 66 | Robert Spongard | 10 | Son | — | Minnesota |
| 67 | Fred Johnson | 50 | Head | Carpenter | Sweden |
| 68 | Hilda Johnson | 39 | Wife | — | Minnesota |
| 69 | Andy Johnson | 16 | Son | — | Minnesota |
| 70 | Lillian Johnson | 14 | Daughter | — | Minnesota |
| 71 | Marion Johnson | 5 | Daughter | — | Minnesota |
| 72 | Nils Lund | 69 | Head | Owner Manager | Sweden |
| 73 | Nilma Lund | 62 | Wife | — | Sweden |
| 74 | Irene Mawritky | 23 | Lodger | — | Nebraska |
| 75 | Axel Gilbertson | 57 | Head | — | Norway |
| 76 | Hannah Gilbertson | 56 | Wife | — | Norway |
| 77 | Raymond Gilbertson | 19 | Son | Bookkeeper | Minnesota |
| 78 | Herman Schulz | 29 | Head | Assembler | Minnesota |
| 79 | Martha Schulz | 26 | Wife | — | Minnesota |
| 80 | Patsy Ruth Schulz | 10 | Daughter | — | Minnesota |
Pedigree Summary
John
Gen 1 · 2 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)