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Arthur Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Larimer-County, Colorado
Our Model Tree links this Arthur Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Larimer-County, Colorado (XGBoost, ~Confirmed), with identified parents Albert & Adolph — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Larimer-County, Colorado |
| Surname | Anderson |
| Given Name | Arthur R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Fort Collins |
| 1935 Residence (County) | Larimer |
| Additional Details | |
| Occupation | Foreman |
| Industry | C.C.C. Camp |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1620 |
| Highest Grade | C 3 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Foreman |
| Est. Birth Year | ~1898 |
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 |
|---|---|---|---|---|
| Arthur Anderson | Head | — | 42 | ~1898 |
| Donald Anderson | Son | — | 14 | ~1926 |
| Bob Anderson | Son | — | 17 | ~1923 |
| Moneta Anderson | Spouse | — | 40 | ~1900 |
Census Appearances
1910
Larimer, Colorado
Son, age 11
Larimer, Colorado · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Larimer, Colorado
Son, age 22
Larimer, Colorado · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Arthur |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Colorado |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Larimer, Colorado
Son, age 33
Larimer, Colorado · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Arthur R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Colorado |
| Occupation | Laborer |
| Industry | Truck Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Larimer-County, Colorado
Head, age 42
Larimer-County, Colorado · implied b. ~1898 — 4 household members
| Surname | Anderson |
| Given Name | Arthur R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Fort Collins |
| 1935 Residence (County) | Larimer |
| Occupation | Foreman |
| Industry | C.C.C. Camp |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1620 |
| Highest Grade | C 3 |
| 1935 Residence | Colorado |
| 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 Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Anderson (~0.92 confidence) and father Adolph Anderson (~0.92 confidence) and mother Mary Anderson (~0.92 confidence) and mother Cora Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Anderson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Adolph Anderson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Mary Anderson
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Cora Anderson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Anderson
Head · 1940 · age 42 · b. ~1898 · 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 — Larimer-County, Colorado
Open full size
1940 US Federal Census — Larimer-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00467-00696)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louie Heinrich | 7 | Son | — | South Dakota |
| 42 | John J. Heinrich | 5 | Son | — | South Dakota |
| 43 | Le Roy Heinrich | 3 | Son | — | Colorado |
| 44 | George H. Greenwalt | 67 | Head | Farmer | Russia |
| 45 | Alice Greenwalt | 66 | Wife | — | Russia |
| 46 | Anthony B. Andrei | 26 | Head | Farmer | Colorado |
| 47 | Jessie Andrei | 18 | Wife | — | Colorado |
| 48 | Martha E. Stephens | 75 | Head | — | Iowa |
| 49 | Harold B. Johnson | 28 | Head | Common Laborer | Colorado |
| 50 | Bessie Johnson | 32 | Wife | — | Iowa |
| 51 | Leonard J. Johnson | 3 | Son | — | Colorado |
| 52 | Willis L. Johnson | 2 | Son | — | Colorado |
| 53 | Cora A. Girardier | 46 | Head | Proprietor | Missouri |
| 54 | George W. Graham | 78 | Lodger | — | Missouri |
| 55 | Nora Girardier | 26 | Sister | House Worker | Missouri |
| 56 | Arthur R. Anderson THIS PERSON | 42 | Head | Foreman | Colorado |
| 57 | Moneta B. Anderson | 40 | Wife | Receptionist | Nebraska |
| 58 | Bob R. Anderson | 17 | Son | — | Colorado |
| 59 | Donald B. Anderson | 14 | Son | — | Colorado |
| 60 | Charley J. Anderson | 70 | Head | Farmer | Sweden |
| 61 | Ora A. Anderson | 50 | Wife | — | Georgia |
| 62 | Bernard E. Gilsdorf | 56 | Head | Farmer | Nebraska |
| 63 | Victoria E. Gilsdorf | 50 | Wife | — | Nebraska |
| 64 | Arthur J. Gilsdorf | 24 | Son | Common Laborer | Nebraska |
| 65 | Edwin J. Gilsdorf | 22 | Son | Farm Laborer | Nebraska |
| 66 | Bernadette Gilsdorf | 20 | Daughter | Housework | Nebraska |
| 67 | Victor A. Gilsdorf | 18 | Son | — | Wyoming |
| 68 | Carmella M. Gilsdorf | 17 | Daughter | Housework | Wyoming |
| 69 | Leona J. Gilsdorf | 15 | Daughter | — | Colorado |
| 70 | Paul L. Gilsdorf | 13 | Son | — | Colorado |
| 71 | Theresa M. Gilsdorf | 11 | Daughter | — | Colorado |
| 72 | Virginia C. Gilsdorf | 9 | Daughter | — | Colorado |
| 73 | Mary Rose Gilsdorf | 7 | Daughter | — | Colorado |
| 74 | Charley O. Shrewsbury | 54 | Head | Salesman | Indiana |
| 75 | Bertha Shrewsbury | 54 | Wife | — | Michigan |
| 76 | Harry Shrewsbury | 61 | Brother | Salesman | Colorado |
| 77 | Harry N. Triste | 28 | Nephew | Farm Laborer | Colorado |
| 78 | Ray J. Juhl | 28 | Head | Farmer | Colorado |
| 79 | Adele F. Juhl | 31 | Wife | — | Iowa |
| 80 | Jack Nace | 20 | Lodger | Farm Laborer | Nebraska |
Pedigree Summary
Arthur
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)