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Clarence Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Clarence Nelson across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Andrew & Christine — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Office Manager |
| Industry | Wholesale Paint |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 2400 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Office Manager |
| Township / Ward | Minneapolis |
| Est. Birth Year | ~1902 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Nelson | Head | — | 38 | ~1902 |
| Roland Nelson | Son | — | 5 | ~1935 |
| Wayne Nelson | Son | — | 2 | ~1938 |
| Magnhild Nelson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 18
Hennepin, Minnesota · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Office Boy |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Head, age 27
Hennepin, Minnesota · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | electrician |
| Industry | auto factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Head, age 38
Hennepin-County, Minnesota · implied b. ~1902 — 4 household members
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Occupation | Office Manager |
| Industry | Wholesale Paint |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 2400 |
| Highest Grade | No 8 |
| 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 Clarence Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Nelson (~0.92 confidence) and mother Christine Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Nelson
b. ~1846
Source father
● Household
· direct · ~0.92
Mother
Christine Nelson
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Nelson
Head · 1940 · age 38 · b. ~1902 · 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-t0627-01983-00232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Allette Johnson | 83 | Head | — | Norway |
| 2 | Christine Johnson | 57 | Daughter | Clerk | Minnesota |
| 3 | Julia Johnson | 43 | Daughter | — | Minnesota |
| 4 | Patrick Ros | 69 | Head | Salesman | Irish Free State |
| 5 | Nellie Ros | 67 | Wife | — | Irish Free State |
| 6 | John Ros | 27 | Son | Salesman | Irish Free State |
| 7 | Thomas Eykles | 41 | Head | Printer | Minnesota |
| 8 | Hildegard Eykles | 35 | Wife | — | Minnesota |
| 9 | Clarence Nelson THIS PERSON | 38 | Head | Office Manager | Minnesota |
| 10 | Magnhild Nelson | 37 | Wife | — | Minnesota |
| 11 | Roland Nelson | 5 | Son | — | Minnesota |
| 12 | Wayne Nelson | 2 | Son | — | Minnesota |
| 13 | Carl A Fagerlund | 77 | Head | Building Contractor | Sweden |
| 14 | Emma C Fagerlund | 81 | Wife | — | Sweden |
| 15 | Lillian Wahlstrom | 49 | Head | Bookkeeper | Minnesota |
| 16 | Myrtle Wahlstrom | 45 | Sister | Stenographer | Minnesota |
| 17 | Hans Jepson | 53 | Head | Milk Delivery | Denmark |
| 18 | Ida Jepson | 49 | Wife | — | Denmark |
| 19 | Ruth Jepson | 23 | Daughter | Bookkeeper | Minnesota |
| 20 | Hans Jr Jepson | 20 | Son | Mechanic | Minnesota |
| 21 | Charles Ulmachard | 39 | Head | Collector | Minnesota |
| 22 | Gertrude Ulmachard | 25 | Wife | Cashier | Minnesota |
| 23 | Oscar Johnson | 41 | Head | Manager | Minnesota |
| 24 | Margaret Johnson | 36 | Wife | — | Wisconsin |
| 25 | Homer Johnson | 11 | Son | — | Minnesota |
| 26 | Marjorie Johnson | 5 | Daughter | — | Minnesota |
| 27 | Mary Blue | 47 | Head | Milliner | South Dakota |
| 28 | Francis Blue | 17 | Daughter | — | Minnesota |
| 29 | Willis Keller | 26 | Brother | Plumber | South Dakota |
| 30 | Walter Strand | 50 | Head | Price Man | Sweden |
| 31 | Anna Strand | 48 | Wife | — | Sweden |
| 32 | Robert Strand | 13 | Son | — | Minnesota |
| 33 | Betty Lou Strand | 10 | Daughter | — | Minnesota |
| 34 | Joseph Moon | 43 | Head | Iron Worker | Minnesota |
| 35 | Florence Moon | 48 | Wife | Seamstress | Minnesota |
| 36 | Ruth Franson | 41 | Head | Nurse | Minnesota |
| 37 | Clara Franson | 14 | Daughter | — | Minnesota |
| 38 | Trus Hendrickson | 48 | Head | Cement Finisher | Sweden |
| 39 | Gerda Hendrickson | 46 | Wife | — | Sweden |
| 40 | Donald Hendrickson | 22 | Son | — | Minnesota |
Pedigree Summary
Clarence
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)