AL
Arthur Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · Las-Animas-County, Colorado
Our Model Tree links this Arthur Long across the 1910, 1920, 1930 and 1940 US Censuses in Las-Animas-County, Colorado (XGBoost, ~Confirmed), with identified parents Alfred & Bonnie — first a head (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Las-Animas-County, Colorado |
| Surname | Long |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | St. Thomas |
| 1935 Residence (County) | Las Animas |
| Additional Details | |
| Occupation | Coal Digger |
| Industry | Coal mining |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 590 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Coal Digger |
| Township / Ward | St Thomas |
| Est. Birth Year | ~1905 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Charles Long | Son | — | 5 | ~1935 |
| Bridget Long | Spouse | — | 35 | ~1905 |
| Arthur Long | Head | — | 35 | ~1905 |
Census Appearances
1910
Las Animas, …
Son, age 3
Las Animas, Colorado · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Las Animas, …
Son, age 14
Las Animas, Colorado · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Las Animas, …
Son, age 24
Las Animas, Colorado · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mexican |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Occupation | Laborer |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Las-Animas-County, Colorado
Head, age 35
Las-Animas-County, Colorado · implied b. ~1905 — 3 household members
| Surname | Long |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | St. Thomas |
| 1935 Residence (County) | Las Animas |
| Occupation | Coal Digger |
| Industry | Coal mining |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 590 |
| Highest Grade | No 6 |
| 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 Long across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Long (~0.92 confidence) and mother Bonnie Long (~0.92 confidence) and mother Vany Long (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Long
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Bonnie Long
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Vany Long
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Long
Head · 1940 · age 35 · b. ~1905 · 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 — Las-Animas-County, Colorado
Open full size
1940 US Federal Census — Las-Animas-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00468-00311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Felix Romero | 15 | Son | — | Colorado |
| 42 | Phillip Hernandez | 72 | Lodger | — | New Mexico |
| 43 | Romano Bergamo | 71 | Head | — | Italy |
| 44 | Louisa Bergamo | 62 | Wife | — | Italy |
| 45 | Esther Bergamo | 22 | Daughter | House Keeper | Colorado |
| 46 | Frank Bergamo | 18 | Son | Construction | Colorado |
| 47 | Charles Langowski | 37 | Head | Coal Digger | Colorado |
| 48 | Edith Langowski | 34 | Wife | — | Colorado |
| 49 | Theodore Langowski | 16 | Son | New Worker | Colorado |
| 50 | Charles Langowski | 14 | Son | — | Colorado |
| 51 | Theodora Langowski | 13 | Daughter | — | Colorado |
| 52 | Henry Langowski | 12 | Son | — | Colorado |
| 53 | Antiono Vecellio | 68 | Head | — | Italy |
| 54 | Martha Vecellio | 57 | Wife | — | Italy |
| 55 | Madeline Vecellio | 27 | Daughter | Janitor | Colorado |
| 56 | Victor Vecellio | 37 | Head | Coal Digger | Italy |
| 57 | Rachel Vecellio | 35 | Wife | — | Colorado |
| 58 | Lillian Vecellio | 13 | Daughter | — | Colorado |
| 59 | Isidore Gomez | 71 | Head | — | New Mexico |
| 60 | Theodora Gomez | 71 | Wife | — | New Mexico |
| 61 | Fabian Lovato | 41 | Head | Common Labor | Colorado |
| 62 | Rosita Lovato | 31 | Wife | — | Colorado |
| 63 | Deloris Lovato | 15 | Daughter | New Worker | Colorado |
| 64 | Ernest Lovato | 12 | Son | — | Colorado |
| 65 | Jennie Lovato | 10 | Daughter | — | Colorado |
| 66 | Robert Lovato | 8 | Son | — | Colorado |
| 67 | Julian Lovato | 3 | Son | — | Colorado |
| 68 | Fabian Lovato | 1 | Son | — | Colorado |
| 69 | Pacifica Baca | 46 | Head | — | Colorado |
| 70 | Bernice Baca | 20 | Daughter | Cooking | Colorado |
| 71 | David Baca | 16 | Son | New Worker | Colorado |
| 72 | Tened Lovato | 27 | Head | Coal Digger | Colorado |
| 73 | Clara Lovato | 24 | Wife | — | New Mexico |
| 74 | Rudolph Lovato | 8 | Son | — | Colorado |
| 75 | Shirley Lovato | 5 | Daughter | — | Colorado |
| 76 | Joseph Lovato | 1 | Son | — | Colorado |
| 77 | Infant Lovato | 0 | Daughter | — | Colorado |
| 78 | Arthur Long THIS PERSON | 35 | Head | Coal Digger | Colorado |
| 79 | Bridget Long | 35 | Wife | — | Colorado |
| 80 | Charles L. Long | 5 | Son | — | Colorado |
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)