AC
Arthur Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Arthur Carlson across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Gustave & Herman — first a son (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Carlson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver city |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Tool maker |
| Industry | Wholesale tool mfg co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1553 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Tool Maker |
| Township / Ward | Denver City |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Herman Carlson | Head | — | 70 | ~1870 |
| Ralph Carlson | Son | — | 24 | ~1916 |
| Arthur Carlson | Son | — | 29 | ~1911 |
| Elina Carlson | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Adams, Colorado
Son, age 7
Adams, Colorado · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 18
Denver, Colorado · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Tool Maker |
| Industry | Rock Drill Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 29
Denver-County, Colorado · implied b. ~1911 — 4 household members
| Surname | Carlson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver city |
| 1935 Residence (County) | Denver |
| Occupation | Tool maker |
| Industry | Wholesale tool mfg co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1553 |
| Highest Grade | H 4 |
| 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 Carlson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Gustave Carlson (~0.92 confidence) and father Herman Carlson (~0.92 confidence) and mother Elina Carlson (~0.92 confidence) and mother Hilda Carlson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gustave Carlson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Herman Carlson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Elina Carlson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Hilda Carlson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Carlson
Son · 1940 · age 29 · b. ~1911 · Colorado
★ You are viewing this record
Sibling
Ralph Carlson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
39 people indexed on this census page (nara:1940:m-t0627-00493-00250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Pennetta | 27 | Head | Laborer | Pennsylvania |
| 42 | Claudine P Pennetta | 22 | Wife | — | Colorado |
| 43 | John Pennetta | 1 | Son | — | Colorado |
| 44 | Orloff Bishop | 65 | Head | House Mover | New York |
| 45 | Hannah Bishop | 70 | Wife | — | Iowa |
| 46 | Grace H Macey | 47 | Head | House Worker | West Virginia |
| 47 | Marguerite Falton | 34 | Lodger | — | Colorado |
| 48 | Bertha Halser | 65 | Head | — | Missouri |
| 49 | Herman Carlson | 70 | Head | — | Sweden |
| 50 | Elina Carlson | 60 | Wife | — | Sweden |
| 51 | Arthur Carlson THIS PERSON | 29 | Son | Tool Maker | Colorado |
| 52 | Ralph Carlson | 24 | Son | Ice Man | Colorado |
| 53 | Paul Spoor | 40 | Head | Structural Iron Worker | Colorado |
| 54 | Georgia Spoor | 36 | Wife | — | Missouri |
| 55 | William Spoor | 16 | Son | — | California |
| 56 | Kathryn Spoor | 14 | Daughter | — | Colorado |
| 57 | Sally Ann Spoor | 3 | Daughter | — | Colorado |
| 58 | Albert E Kershaw | 70 | Head | — | England |
| 59 | Ella Kershaw | 70 | Wife | — | Indiana |
| 60 | William Turner | 47 | Step son | — | Arkansas |
| 61 | Adolph Ribali | 28 | Head | Runner Of Tire Splitting Machine | Colorado |
| 62 | Freda Ribali | 33 | Wife | — | Colorado |
| 63 | Harry Dunmire | 72 | Head | — | Germany |
| 64 | Dora Burbank | 51 | Head | — | Russia |
| 65 | John Carlson | 48 | Head | Welder | Sweden |
| 66 | Sally Carlson | 37 | Wife | — | Colorado |
| 67 | Doris Carlson | 18 | Daughter | Stenographer | Colorado |
| 68 | Betty Lou Carlson | 14 | Daughter | — | Colorado |
| 69 | Cornelius Meinkoth | 33 | Head | Cabinet Machinist | Illinois |
| 70 | Agnes Meinkoth | 27 | Wife | — | Missouri |
| 71 | June Meinkoth | 7 | Daughter | — | Missouri |
| 72 | Delphus Morgan | 50 | Step father in law | Battery Maker | Arkansas |
| 73 | Lonnie Pummerson | 40 | Head | Machinist | Colorado |
| 74 | Gloria Pummerson | 36 | Wife | — | Colorado |
| 75 | Elliott Kitching | 24 | Head | Machinist | Colorado |
| 76 | Martha Kitching | 20 | Wife | — | Colorado |
| 77 | Garold B Kitching | 0 | Son | — | Colorado |
| 78 | Melton Honeatel | 36 | Head | Special Policeman | Iowa |
| 79 | Rosalie B Honeatel | 40 | Wife | — | Colorado |
Pedigree Summary
Arthur + 1 sibling
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)