AN
Arthur Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Arthur Nelson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a head (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | General office work |
| Industry | Coal Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 875 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | General Office Work |
| Township / Ward | Denver City |
| Est. Birth Year | ~1894 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Clara Nelson | Daughter | — | 21 | ~1919 |
| Arthur Nelson | Head | — | 46 | ~1894 |
| Arthur Nelson | Son | — | 15 | ~1925 |
| Clara Nelson | Spouse | — | 41 | ~1899 |
Census Appearances
1900
Arapahoe, Colorado
Son, age 9
Arapahoe, Colorado · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Colorado |
| Birth Month | Mar |
| Birth Year | 1891 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1910
Denver, Colorado
Son, age 19
Denver, Colorado · implied b. ~1891 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Arthur J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Factory |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Denver, Colorado
Head, age 29
Denver, Colorado · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Arthur S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Examiner |
| Industry | Insurance |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Head, age 38
Denver, Colorado · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 21 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Fireman |
| Industry | Fire department |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Head, age 46
Denver-County, Colorado · implied b. ~1894 — 4 household members
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Occupation | General office work |
| Industry | Coal Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 875 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Arthur Nelson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Edward Nelson (~0.92 confidence) and father Edward Nelson (~0.92 confidence) and mother Selma Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Nelson
b. ~1854
Source father
● Household
· direct · ~0.92
Father
Edward Nelson
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Selma Nelson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Nelson
Head · 1940 · age 46 · b. ~1894 · Colorado
★ 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00487-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lois Hitchcock | 11 | Daughter | — | Colorado |
| 2 | Harry B Ainsworth | 23 | Head | Plant Man | Kansas |
| 3 | Verna M Ainsworth | 18 | Wife | — | Colorado |
| 4 | Nancy Ellen Ainsworth | 1 | Daughter | — | Colorado |
| 5 | Homer R Frisbie | 32 | Head | — | North Carolina |
| 6 | Catherine Frisbie | 27 | Wife | — | Arkansas |
| 7 | Harvey L Frisbie | 5 | Son | — | North Carolina |
| 8 | Eugene E Phelps | 23 | Head | Laborer | Missouri |
| 9 | Mary Ellen Phelps | 18 | Wife | — | Missouri |
| 10 | William R Macdonald | 55 | Head | Salesman | Michigan |
| 11 | Margaret H Macdonald | 51 | Wife | — | Michigan |
| 12 | Gladys A Macleod | 48 | Head | General Office Work | Kansas |
| 13 | Margaret D Macleod | 18 | Daughter | Clerk | Kansas |
| 14 | John Macleod | 14 | Son | — | Kansas |
| 15 | Arthur Nelson THIS PERSON | 46 | Head | General Office Work | Colorado |
| 16 | Clara E Nelson | 41 | Wife | Checker In Laundry | Oklahoma |
| 17 | Clara F Nelson | 21 | Daughter | Completer | Colorado |
| 18 | Arthur Jr Nelson | 15 | Son | — | Colorado |
| 19 | Clara D Johnston | 46 | Head | Garment Worker | England |
| 20 | John Johnston | 22 | Son | Soda Dispenser | English |
| 21 | Edwin B Johnston | 18 | Son | — | Colorado |
| 22 | Fred L Brigham | 26 | Head | Assembler | Idaho |
| 23 | Margaret E Brigham | 25 | Wife | — | Colorado |
| 24 | Barbara Ann Brigham | 3 | Daughter | — | Colorado |
| 25 | Roy Kelley | 62 | Head | Custodian | Missouri |
| 26 | Maud A Kelley | 57 | Wife | — | Colorado |
| 27 | Emma D Ballard | 73 | Head | — | Virginia |
| 28 | Joe K Pettijohn | 42 | Head | Barber | Nebraska |
| 29 | Irene M Pettijohn | 33 | Wife | — | Nebraska |
| 30 | Donald C Hull | 51 | Head | Clerk | Nebraska |
| 31 | Geneva M Hull | 53 | Wife | — | Colorado |
| 32 | William B Hull | 22 | Son | Stock Boy | Colorado |
| 33 | Betty F Hull | 19 | Daughter | Secretary | Colorado |
| 34 | Charles H Colwell | 25 | Head | Switchman | Missouri |
| 35 | Lida F Colwell | 43 | Wife | — | Colorado |
| 36 | Richard K Colwell | 1 | Son | — | Colorado |
| 37 | Harold A Knosp | 27 | Head | Metal Man | Nebraska |
| 38 | Edith J Knosp | 25 | Wife | — | Nebraska |
| 39 | Roger X Knosp | 2 | Son | — | Colorado |
| 40 | Thomas Murray | 51 | Head | Minister | Ireland |
Pedigree Summary
Arthur
Gen 1 · 3 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)