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Gertrude Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Gertrude Allen across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Allen |
| Given Name | Gertrude |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville city |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1925 |
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 Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Eugene Allen | Son | — | 19 | ~1921 |
| Eugene Allen | Head | — | 42 | ~1898 |
| Mary Carter | Daughter | — | 17 | ~1923 |
| Richard Carter | Other | — | 12 | ~1928 |
| Gertrude Allen | Daughter | — | 15 | ~1925 |
| Bernice Allen | Daughter | — | 10 | ~1930 |
| J Neighbors | Spouse | — | 63 | ~1877 |
| Mayme Allen | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 5
Jefferson, Kentucky · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 15
Jefferson-County, Kentucky · implied b. ~1925 — 8 household members
| Surname | Allen |
| Given Name | Gertrude |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville city |
| 1935 Residence (County) | Jefferson |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Gertrude Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Gertrude Allen
Daughter · 1940 · age 15 · b. ~1925 · Kentucky
★ You are viewing this record
Sibling
Bernice Allen
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Allen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Carter
Sibling · 1940 · age 17
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
11 people indexed on this census page (nara:1940:m-t0627-01376-01015)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Geneva Mcclain | 37 | wife | Housekeeper | Tennessee |
| 42 | Edith Mcclain | 10 | daughter | — | Kentucky |
| 43 | Eugene Allen | 42 | Head | Laborer | Kentucky |
| 44 | Mayme Allen | 40 | wife | Laundress | Kentucky |
| 45 | Eugene Allen | 19 | son | Laborer | Kentucky |
| 46 | Gertrude Allen THIS PERSON | 15 | daughter | — | Kentucky |
| 47 | Bernice Allen | 10 | daughter | — | Kentucky |
| 48 | Mary Carter | 17 | daughter | — | Kentucky |
| 49 | Richard Carter | 12 | grandson | — | Kentucky |
| 51 | J. R. Neighbors | 63 | husband | — | Kentucky |
| 52 | Robert Richard George | 49 | Head | Master | Kentucky |
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)