BA
Bertha Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this Bertha Allen across the 1920, 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 4-person household.
Age 53
b. ~1887
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | Allen |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Newell Twp |
| Est. Birth Year | ~1887 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Alberta Allen | Daughter | — | 19 | ~1921 |
| Mary Allen | Daughter | — | 14 | ~1926 |
| Sidney Allen | Head | — | 55 | ~1885 |
| Bertha Allen | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Vermilion, Illinois
Spouse, age 33
Vermilion, Illinois · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Bertha R |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Vermilion, Illinois
Other, age 43
Vermilion, Illinois · implied b. ~1887 — 31 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Bertha A |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 18 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Vermilion-County, Illinois
Spouse, age 53
Vermilion-County, Illinois · implied b. ~1887 — 4 household members
| Surname | Allen |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Vermilion |
| Highest Grade | H-4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Bertha Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Allen
Spouse · 1940 · age 53 · b. ~1887 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00899-00536)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank W. Moore | 45 | Head | — | Illinois |
| 2 | Ruth Moore | 45 | Wife | — | Indiana |
| 3 | Milo E. Potter | 29 | Head | Watchman | Illinois |
| 4 | Mary Potter | 20 | Wife | — | Illinois |
| 5 | Steven W. Potter | 1 | Son | — | Illinois |
| 6 | Sidney Allen | 55 | Head | Farmer | Illinois |
| 7 | Bertha Allen THIS PERSON | 53 | Wife | — | Illinois |
| 8 | Alberta Allen | 19 | Daughter | Governess | Illinois |
| 9 | Mary Allen | 14 | Daughter | — | Illinois |
| 10 | Franklin Cox | 25 | Head | Farmer | Illinois |
| 11 | Evelyn Cox | 24 | Wife | — | Illinois |
| 12 | Thomas Cox | 4 | Son | — | Illinois |
| 13 | Joan Cox | 1 | Daughter | — | Illinois |
| 14 | Frances M. Grimes | 78 | Head | — | Illinois |
| 15 | Elizabeth Grimes | 59 | Wife | — | Illinois |
| 16 | Elmer E. Ward | 50 | Head | Laborer | Indiana |
| 17 | Elsie Ward | 48 | Wife | — | Indiana |
| 18 | William C. Rankin | 77 | Head | — | Ohio |
| 19 | Alice Rankin | 73 | Wife | — | Ohio |
| 20 | Lillie Oaks | 55 | Housekeeper | Housekeeper | Illinois |
| 21 | Elmer Brandt | 30 | Head | Postal Clerk | Illinois |
| 22 | Mary Brandt | 30 | Wife | Music Teacher | Mississippi |
| 23 | Carol Ann Brandt | 2 | Daughter | — | Illinois |
| 24 | William Hackman | 64 | Head | Reporter | Illinois |
| 25 | Julie Hackman | 60 | Wife | — | Arkansas |
| 26 | Zella Hackman | 29 | Daughter | — | Illinois |
| 27 | Robert Hackman | 16 | Son | — | Illinois |
| 28 | James Moulton | 62 | Head | Operator | Kentucky |
| 29 | Emma Moulton | 56 | Wife | — | Illinois |
| 30 | Donald Moulton | 19 | Son | — | Illinois |
| 31 | John D. Taylor | 45 | Head | Attendant | Indiana |
| 32 | Kittie Taylor | 44 | Wife | — | Illinois |
| 33 | Chester Hensley | 33 | Head | Operator | Indiana |
| 34 | Juanita Hensley | 31 | Wife | — | Indiana |
| 35 | Mary Lou Hensley | 10 | Daughter | — | Indiana |
| 36 | Morris Bright | 33 | Brother-in-law | Office Manager | Indiana |
| 37 | Theresa Bright | 31 | Wife | — | Indiana |
| 38 | Richard Bright | 12 | Son | — | Indiana |
| 39 | Francis Bright | 29 | Brother-in-law | Laborer | Indiana |
| 40 | John Francis Mess | 31 | Head | Farmer | Illinois |
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)