HN
Harold Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chisago-County, Minnesota
Our Model Tree links this Harold Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Chisago-County, Minnesota (XGBoost, ~Confirmed), with identified parents Ernest & Herbert — first a head (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chisago-County, Minnesota |
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Harris Village |
| 1935 Residence (County) | Chisago |
| Additional Details | |
| Occupation | clerk |
| Industry | garage repair |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1100 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Clerk |
| Township / Ward | Harris Village |
| Est. Birth Year | ~1909 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Irena Nelson | Daughter | — | 1 | ~1939 |
| Harold Nelson | Head | — | 31 | ~1909 |
| Daryl Mose | Other | — | 14 | ~1926 |
| Bonita Mose | Other | — | 13 | ~1927 |
| Henrietta Nelson | Spouse | — | 33 | ~1907 |
Census Appearances
1910
Chisago, Minnesota
Son, age 1
Chisago, Minnesota · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Chisago, Minnesota
Son, age 11
Chisago, Minnesota · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Chisago, Minnesota
Son, age 21
Chisago, Minnesota · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Salesman |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Chisago-County, Minnesota
Head, age 31
Chisago-County, Minnesota · implied b. ~1909 — 5 household members
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Harris Village |
| 1935 Residence (County) | Chisago |
| Occupation | clerk |
| Industry | garage repair |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1100 |
| Highest Grade | H-1 |
| 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 Harold Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ernest Nelson (~0.92 confidence) and father Herbert Nelson (~0.92 confidence) and father Ernest Nelson (~0.92 confidence) and mother Jennie Nelson (~0.92 confidence) and mother Jennie Nelson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Nelson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Herbert Nelson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Ernest Nelson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Jennie Nelson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Jennie Nelson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Nelson
Head · 1940 · age 31 · b. ~1909 · 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 — Chisago-County, Minnesota
Open full size
1940 US Federal Census — Chisago-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01913-00665)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gottfrid Blomquist | 52 | Head | Farmer | Minnesota |
| 2 | Arthur R. Lundeen | 45 | Head | Farmer | Minnesota |
| 3 | Clara E. Lundeen | 40 | Wife | — | Minnesota |
| 4 | Gerald Lundeen | 12 | Son | — | Wisconsin |
| 5 | Merle Lundeen | 10 | Son | — | Wisconsin |
| 6 | Harley Lundeen | 5 | Son | — | Minnesota |
| 7 | Richard Lundeen | 4 | Son | — | Minnesota |
| 8 | Henry Mindrum | 33 | Head | Farmer | Illinois |
| 9 | Myrtle Mindrum | 35 | Wife | — | Minnesota |
| 10 | Gordon Mindrum | 3 | Son | — | Minnesota |
| 11 | Charles M. Lundeen | 63 | Head | Farmer | Minnesota |
| 12 | Nicholine E. Lundeen | 64 | Wife | — | Denmark |
| 13 | Dallas Stark | 31 | Head | Laborer | Minnesota |
| 14 | Margurite Stark | 27 | Wife | — | Minnesota |
| 15 | Henry J. Jarckow | 72 | Head | — | Minnesota |
| 16 | Caroline Jarckow | 30 | Daughter | — | Minnesota |
| 17 | August Helstrom | 62 | Head | — | Minnesota |
| 18 | Ericka Helstrom | 62 | Wife | — | Sweden |
| 19 | William P. Swanson | 48 | Head | Farmer | Minnesota |
| 20 | Clara Swanson | 47 | Wife | — | Minnesota |
| 21 | Dorothy Mae Swanson | 9 | Daughter | — | Minnesota |
| 22 | Gustav Peterson | 75 | Brother-in-law | — | Sweden |
| 23 | Arthur Stark | 51 | Head | Proprietor | Minnesota |
| 24 | Jennie Stark | 44 | Wife | — | Minnesota |
| 25 | Harold Nelson THIS PERSON | 31 | Head | Clerk | Minnesota |
| 26 | Henrietta Nelson | 33 | Wife | — | Minnesota |
| 27 | Irena Gale Nelson | 1 | Daughter | — | Minnesota |
| 28 | Daryl Mose | 14 | Step-son | — | Minnesota |
| 29 | Bonita Mose | 13 | Step-daughter | — | Minnesota |
| 30 | Victor Merrier | 41 | Head | Truck Driver | Minnesota |
| 31 | Marion Merrier | 31 | Wife | Postmaster | Minnesota |
| 32 | Charles Merrier | 6 | Son | — | Minnesota |
| 33 | Emma Johnson | 73 | Mother-in-law | — | Sweden |
| 34 | Phillip Johnson | 47 | Brother-in-law | Laborer | Minnesota |
| 35 | Albert O. Stark | 68 | Head | Proprietor | Minnesota |
| 36 | Adelaide Stark | 51 | Wife | — | Minnesota |
| 37 | Theodore Stark | 23 | Son | Embalmer | Minnesota |
| 38 | Albert O. Jr. Stark | 18 | Son | — | Minnesota |
| 39 | John Jarckow | 47 | Head | — | Minnesota |
| 40 | Lucy Jarckow | 45 | Wife | — | Wisconsin |
Pedigree Summary
Harold
Gen 1 · 5 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)