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Harold Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Harold Nelson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Andrew & Andrew — first a head (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Nelson |
| Given Name | Harold L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hubbard |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Machinist |
| Township / Ward | Minneapolis |
| Est. Birth Year | ~1901 |
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 |
|---|---|---|---|---|
| Betty Nelson | Daughter | — | 11 | ~1929 |
| Harold Nelson | Head | — | 39 | ~1901 |
| Robert Nelson | Son | — | 5 | ~1935 |
| Joseph Nelson | Son | — | 8 | ~1932 |
| Mary Nelson | Spouse | — | 29 | ~1911 |
Census Appearances
1900
Ramsey, Minnesota
Son, age 2
Ramsey, Minnesota · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Apr |
| Birth Year | 1898 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
Ramsey, Minnesota
Son, age 12
Ramsey, Minnesota · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Ramsey, Minnesota
Son, age 21
Ramsey, Minnesota · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stage Employee |
| Industry | Theater |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Head, age 30
Ramsey, Minnesota · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Radio Set | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Head, age 39
Hennepin-County, Minnesota · implied b. ~1901 — 5 household members
| Surname | Nelson |
| Given Name | Harold L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hubbard |
| Occupation | Machinist |
| Industry | Machine Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Minnesota |
| 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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Nelson (~0.92 confidence) and father Andrew Nelson (~0.92 confidence) and mother Ida Nelson (~0.92 confidence) and mother Ida Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Nelson
b. ~1854
Source father
● Household
· direct · ~0.92
Father
Andrew Nelson
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Ida Nelson
b. ~1861
Source mother
● Household
· direct · ~0.92
Mother
Ida Nelson
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Nelson
Head · 1940 · age 39 · b. ~1901 · 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
39 people indexed on this census page (nara:1940:m-t0627-01990-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry E. Larson | 27 | Head | Baker | Minnesota |
| 2 | Vivian M. Larson | 24 | Wife | — | Minnesota |
| 3 | Richard H. Larson | 6 | Son | — | Minnesota |
| 4 | Arthur M. Anderson | 49 | Head | Fender Inspector | North Dakota |
| 5 | Laura E. Anderson | 36 | Wife | Servant-Maid | Minnesota |
| 6 | Audrey L. Anderson | 17 | Daughter | — | Minnesota |
| 7 | Don L. Nimrod | 10 | Son | — | Minnesota |
| 8 | Anna E. O. Levanson | 71 | Mother-in-law | Cleaning Woman | Iowa |
| 9 | Arthur C. Anderson | 43 | Head | Plasterer | Minnesota |
| 10 | Anna M. Anderson | 40 | Wife | — | Minnesota |
| 11 | Anita N. Anderson | 12 | Daughter | — | Wisconsin |
| 12 | Meryl A. Anderson | 11 | Daughter | — | Wisconsin |
| 13 | Joann A. Anderson | 5 | Daughter | — | Minnesota |
| 14 | Carol M. Anderson | 2 | Daughter | — | Minnesota |
| 15 | Peter J. Leeman | 47 | Head | Stenotypist | Iowa |
| 16 | Magdalene Leeman | 43 | Wife | — | Iowa |
| 17 | Donald J. Leeman | 16 | Son | — | Minnesota |
| 18 | William J. Leeman | 13 | Son | — | Minnesota |
| 19 | Charles F. Anderson | 75 | Head | Clerical Worker | Sweden |
| 20 | Anna E. Anderson | 61 | Wife | — | Iowa |
| 21 | Elizabeth Behnke | 67 | Lodger | — | Wisconsin |
| 22 | Agnes Libby | 64 | Lodger | — | Minnesota |
| 23 | Amanda Anderson | 64 | Lodger | — | Wisconsin |
| 24 | Ida M. Gendry | 66 | Head | — | Illinois |
| 25 | Albert J. Gendry | 20 | Son | Electrical Engineer | Minnesota |
| 26 | Fred A. Herberg | 56 | Head | — | Sweden |
| 27 | Caroline O. Herberg | 51 | Wife | — | Norway |
| 28 | Russell F. Herberg | 24 | Son | Hauler | Minnesota |
| 29 | Wallace J. Herberg | 19 | Son | Bookkeeper | Minnesota |
| 30 | Eleanor C. Dainsberg | 21 | Lodger | Typist & Clerk | Minnesota |
| 31 | Catherine A. Hand | 77 | Head | — | Iowa |
| 32 | Mary E. Hand | 39 | Daughter | Telephone Operator | Minnesota |
| 33 | Harold L. Nelson THIS PERSON | 39 | Head | Machinist | Minnesota |
| 34 | Mary E. Nelson | 29 | Wife | — | Minnesota |
| 35 | Betty Ann Nelson | 11 | Daughter | — | Minnesota |
| 36 | Joseph H. Nelson | 8 | Son | — | Minnesota |
| 37 | Robert D. Nelson | 5 | Son | — | Minnesota |
| 38 | Wilfred M. Englehard | 32 | Head | Packer | Minnesota |
| 39 | Agnes Englehard | 32 | Wife | Operator | Minnesota |
Pedigree Summary
Harold
Gen 1 · 4 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)