RA
Robert Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Saguache-County, Colorado
Our Model Tree links this Robert Allen across the 1920, 1930 and 1940 US Censuses in Saguache-County, Colorado (XGBoost, ~Confirmed), with identified parents Olla & Robert — first a head (b.~1906), then head of a 5-person household.
Age 34
b. ~1906
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Saguache-County, Colorado |
| Surname | Allen |
| Given Name | Robert L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | T 44 N R 8 E and T 45 |
| 1935 Residence (County) | Saguache |
| Additional Details | |
| Occupation | rancher |
| Industry | ranching |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Rancher |
| Township / Ward | T 44 N R 8 E And T 45 |
| Est. Birth Year | ~1906 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Bernice Allen | Daughter | — | 8 | ~1932 |
| Robert Allen | Head | — | 34 | ~1906 |
| Lewis Allen | Son | — | 1 | ~1939 |
| Robert Allen | Son | — | 3 | ~1937 |
| Hazel Allen | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Saguache, Colorado
Son, age 14
Saguache, Colorado · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Saguache, Colorado
Son, age 24
Saguache, Colorado · implied b. ~1906 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 24 |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Saguache-County, Colorado
Head, age 34
Saguache-County, Colorado · implied b. ~1906 — 5 household members
| Surname | Allen |
| Given Name | Robert L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | T 44 N R 8 E and T 45 |
| 1935 Residence (County) | Saguache |
| Occupation | rancher |
| Industry | ranching |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| 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 Robert Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Olla Allen (~0.92 confidence) and father Robert Allen (~0.92 confidence) and mother Lulu Allen (~0.92 confidence) and mother Helen Cochrane (~0.60 confidence) and mother Luila Mondragon (~0.60 confidence) and mother Lupita Tafoya (~0.50 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.74
Mother
Olla Allen
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Robert Allen
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Lulu Allen
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Helen Cochrane
b. ~1900
Source mother
● Household
· direct · ~0.6
Mother
Luila Mondragon
b. ~1901
Source mother
● Household
· direct · ~0.6
Mother
Lupita Tafoya
b. ~1909
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Robert Allen
Head · 1940 · age 34 · b. ~1906 · 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 — Saguache-County, Colorado
Open full size
1940 US Federal Census — Saguache-County, Colorado
Page Contents
30 people indexed on this census page (nara:1940:m-t0627-00479-00571)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert J Allen | 67 | Lodger | Rancher | Colorado |
| 42 | Olla A Allen | 68 | Lodger | Teacher | Colorado |
| 43 | Robert L Allen THIS PERSON | 34 | Head | Rancher | Colorado |
| 44 | Hazel B Allen | 29 | Wife | — | S. Dakota |
| 45 | Bernice M Allen | 8 | Daughter | — | Colorado |
| 46 | Robert A Jr Allen | 3 | Son | — | Colorado |
| 47 | Lewis J Allen | 1 | Son | — | Colorado |
| 48 | Charles H Brown | 35 | Head | Rancher | Texas |
| 49 | Lillie Brown | 29 | Wife | Cook | Oklahoma |
| 50 | Ailline Brown | 12 | Daughter | — | Oklahoma |
| 51 | Elsworth Brown | 9 | Son | — | Oklahoma |
| 52 | Sanford Brown | 6 | Son | — | Oklahoma |
| 53 | Hilbert J Baker | 45 | Head | Rancher | Oklahoma |
| 54 | Maude A Baker | 55 | Wife | — | Ohio |
| 55 | Manuel Samora | 38 | Head | Ranch Hand | Colorado |
| 56 | Louisa Samora | 34 | Wife | — | Colorado |
| 57 | Juan S Samora | 14 | Son | — | Colorado |
| 58 | Carmalita Samora | 13 | Daughter | — | Colorado |
| 59 | Maria M Samora | 11 | Daughter | — | Colorado |
| 60 | Elias J Samora | 9 | Son | — | Colorado |
| 61 | Abelina C Samora | 7 | Daughter | — | Colorado |
| 62 | Dorotea G Samora | 6 | Daughter | — | Colorado |
| 63 | Maria Ivy Samora | 3 | Daughter | — | Colorado |
| 64 | Fred Sanchez | 52 | Head | Rancher | Colorado |
| 65 | Robert L Sanchez | 20 | Son | Ranch Hand | Colorado |
| 66 | Damion Valdez | 65 | Servant | Ranch Hand | New Mexico |
| 67 | Ray Casias | 26 | Servant | Ranch Hand | New Mexico |
| 68 | Arthur A Sturdevant | 61 | Head | Farmer | Kansas |
| 69 | Letitia Sturdevant | 64 | Wife | — | Missouri |
| 70 | May J Sturdevant | 38 | Daughter | — | Kansas |
Pedigree Summary
Robert
Gen 1 · 6 parents
~0.74
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)