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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 Valentine & Emma — first a head (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
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 | 27 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Carpenter Helper |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 1339 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Carpenter Helper |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1913 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Barbara Nelson | Daughter | — | 3 | ~1937 |
| Clarence Nelson | Head | — | 27 | ~1913 |
| Gerald Nelson | Son | — | 8 | ~1932 |
| Ronald Nelson | Son | — | 1 | ~1939 |
| Mary Nelson | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 7
Hennepin, Minnesota · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 16
Hennepin, Minnesota · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Head, age 27
Hennepin-County, Minnesota · implied b. ~1913 — 5 household members
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Occupation | Carpenter Helper |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 1339 |
| Highest Grade | Hs 3 |
| 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 Valentine Nelson (~0.92 confidence) and mother Emma Nelson (~0.92 confidence) and mother Christine Nelson (~0.92 confidence) and father Edward Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Valentine Nelson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Emma Nelson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Christine Nelson
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Edward Nelson
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Clarence Nelson
Head · 1940 · age 27 · b. ~1913 · 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-t0627-01986-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Purcell | 7 | Son | — | Minnesota |
| 2 | Raymond Van Buren | 46 | Head | Yard Foreman | Pennsylvania |
| 3 | Katherine Van Buren | 46 | Wife | — | Minnesota |
| 4 | Clarence Nelson THIS PERSON | 27 | Head | Carpenter Helper | Minnesota |
| 5 | Mary Nelson | 27 | Wife | — | Minnesota |
| 6 | Gerald Nelson | 8 | Son | — | Minnesota |
| 7 | Barbara Lou Nelson | 3 | Daughter | — | Minnesota |
| 8 | Ronald Nelson | 1 | Son | — | Minnesota |
| 9 | Bert Kennedy | 57 | Head | Switchman | Wisconsin |
| 10 | Esther Kennedy | 53 | Wife | — | Minnesota |
| 11 | Here End Block 113 And Begins Block 114 | None | — | — | — |
| 12 | Evelyn Burgoyne | 50 | Head | — | Minnesota |
| 13 | George Friberg | 24 | Head | Machinist | Minnesota |
| 14 | Esther Friberg | 21 | Wife | Inspector | Minnesota |
| 15 | Peter Strand | 74 | Head | — | Norway |
| 16 | Anna Strand | 60 | Wife | — | Norway |
| 17 | Marvin Oskey | 27 | Son-in-law | Attendant | Minnesota |
| 18 | Alice Oskey | 22 | Daughter | — | Minnesota |
| 19 | Marvin Jr Oskey | 3 | Grandson | — | Minnesota |
| 20 | Barbara Oskey | 1 | Granddaughter | — | Minnesota |
| 21 | Harold Peterson | 44 | Head | Department Manager | Minnesota |
| 22 | Barbara Peterson | 40 | Wife | — | Iowa |
| 23 | Shirley Peterson | 18 | Daughter | — | Minnesota |
| 24 | Muriel Peterson | 16 | Daughter | — | Minnesota |
| 25 | Ephraim Teach | 32 | Head | Clerk For R.R. Co | Iowa |
| 26 | Kate Teach | 62 | Mother | — | Iowa |
| 27 | Robert Teach | 14 | Brother | — | Iowa |
| 28 | Frank La Mere | 47 | Head | Auditor | Wisconsin |
| 29 | Laura La Mere | 50 | Wife | Machinist | Minnesota |
| 30 | Raymond Belodeau | 22 | Son-in-law | Salesman | Minnesota |
| 31 | Emilie Belodeau | 20 | Daughter | Typist | Minnesota |
| 32 | Paul Belodeau | 74 | Father-in-law | — | Canada French |
| 33 | Eric Heim | 36 | Head | Car Salesman | North Dakota |
| 34 | Margaret Heim | 35 | Wife | Bookkeeper | Minnesota |
| 35 | George Coe | 53 | Head | Janitor | Minnesota |
| 36 | Rosalyn Coe | 45 | Wife | — | Minnesota |
| 37 | Blanche Coe | 23 | Daughter | Machine Operator | Minnesota |
| 38 | George Coe | 21 | Son | Apprentice | Minnesota |
| 39 | William Coe | 14 | Son | — | Minnesota |
| 40 | Etta Mathews | 63 | Mother-in-law | — | Maine |
Pedigree Summary
Clarence
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)