BA
Betty Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Betty Allen across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Charles & John — first a daughter (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Allen |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | City and County Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | City And County Denver |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| John Taylor | Other | — | 1 | ~1939 |
| Olvie Pruitt | Other | — | 47 | ~1893 |
| Charles Allen | Head | — | 64 | ~1876 |
| Jennie Allen | Spouse | — | 53 | ~1887 |
| John Allen | Son | — | 19 | ~1921 |
| Alene Taylor | Daughter | — | 25 | ~1915 |
| Evelyn Pruitt | Other | — | 47 | ~1893 |
| Betty Allen | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Denver, Colorado
Daughter, age 1
Denver, Colorado · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Texas |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Daughter, age 11
Denver, Colorado · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Texas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Daughter, age 21
Denver-County, Colorado · implied b. ~1919 — 8 household members
| Surname | Allen |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | City and County Denver |
| 1935 Residence (County) | Denver |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 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 Betty Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Allen (~0.92 confidence) and father John Allen (~0.92 confidence) and father John Allen (~0.92 confidence) and mother Jennie Allen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Allen
b. ~1876
Source father
● Household
· direct · ~0.92
Father
John Allen
b. ~1876
Source father
● Household
· direct · ~0.92
Father
John Allen
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Jennie Allen
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Betty Allen
Daughter · 1940 · age 21 · b. ~1919 · Colorado
★ You are viewing this record
Sibling
John Allen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alene Taylor
Sibling · 1940 · age 25
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
40 people indexed on this census page (nara:1940:m-t0627-00487-00805)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hald W Foster | 24 | Son | Material Clerk | Nebraska |
| 2 | Edward L. Wood | 45 | Head | Attorney | Colorado |
| 3 | Anna S. Wood | 35 | Wife | — | Colorado |
| 4 | Meryll Ann Wood | 10 | Daughter | — | California |
| 5 | Sheron Lee Wood | 4 | Daughter | — | Colorado |
| 6 | Paul Sawyer | 33 | Head | Seed Salesman | Colorado |
| 7 | Maxine Sawyer | 28 | Wife | — | Colorado |
| 8 | Cynthia Sawyer | 3 | Daughter | — | Colorado |
| 9 | Stephen Sawyer | 0 | Son | — | Colorado |
| 10 | Walter East | 68 | Head | — | Wyoming |
| 11 | Lydia East | 65 | Wife | — | Missouri |
| 12 | Roland D Smith | 50 | Head | — | New York |
| 13 | Emily Smith | 48 | Wife | — | England |
| 14 | Mona Kneale | 22 | Maid | Maid | Colorado |
| 15 | John Wing | 50 | Head | Electric Mechanic | Switzerland |
| 16 | Ida L. Wing | 51 | Wife | — | Illinois |
| 17 | Helen Wing | 28 | Daughter | Book Keeper | Illinois |
| 18 | Margaret Wing | 26 | Daughter | Book Keeper | Missouri |
| 19 | Melvin Wing | 24 | Son | — | Missouri |
| 20 | David J Roach | 53 | Head | Assistant General Manager | Colorado |
| 21 | Katherine Roach | 53 | Wife | — | Pennsylvania |
| 22 | Elva Mcdowell | 55 | Maid | Maid | Illinois |
| 23 | Joan Mcdowell | 15 | Maid | — | Illinois |
| 24 | * * | None | * | * | * |
| 25 | Charles T Allen | 64 | Head | Insurance Manager | Missouri |
| 26 | Jennie Allen | 53 | Wife | — | Texas |
| 27 | Betty Allen THIS PERSON | 21 | Daughter | — | Colorado |
| 28 | John T. Allen | 19 | Son | — | Colorado |
| 29 | Alene Taylor | 25 | Daughter | Supply Teacher | Colorado |
| 30 | John L. Taylor | 1 | Grand Son | — | Colorado |
| 31 | Olvie E Pruitt | 47 | House man | House Man | Kansas |
| 32 | Evelyn M Pruitt | 47 | House keeper | House Keeper | Kansas |
| 33 | Colman Jonas | 61 | Head | Taxidermy | Budapest |
| 34 | Esther Jonas | 61 | Wife | — | Budapest |
| 35 | Esther Jonas | 26 | Daughter | Sales Manager | Colorado |
| 36 | Agnes Guy | 27 | Maid | Maid | Oklahoma |
| 37 | John Mcroberts | 44 | Head | Own Estate | Illinois |
| 38 | Catherine Mcroberts | 42 | Wife | — | Colorado |
| 39 | John Mcroberts | 12 | Son | — | Colorado |
| 40 | Thomas G Candor | 70 | Father in law | Vice President | Illinois |
Pedigree Summary
Betty + 2 siblings
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)