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Bertha Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Florida
Our Model Tree links this Bertha Allen across the 1930 and 1940 US Censuses in Lake-County, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 15-person household.
Age 17
b. ~1923
Female
Daughter
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Florida |
| Surname | Allen |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 19 |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Precinct 19 |
| Est. Birth Year | ~1923 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Nathaniel Allen | Head | — | 46 | ~1894 |
| Estella Allen | Daughter | — | 20 | ~1920 |
| Matilda Allen | Spouse | — | 39 | ~1901 |
| Frances Allen | Daughter | — | 19 | ~1921 |
| Abraham Allen | Son | — | 13 | ~1927 |
| Doretha Allen | Daughter | — | 12 | ~1928 |
| Bertha Allen | Daughter | — | 17 | ~1923 |
| Solomon Allen | Son | — | 2 | ~1938 |
| Odessa Allen | Daughter | — | 6 | ~1934 |
| David Allen | Son | — | 8 | ~1932 |
| Nathaniel Allen | Son | — | 15 | ~1925 |
| Lorine Stafford | Daughter | — | 24 | ~1916 |
| Oliver Allen | Son | — | 1 | ~1939 |
| Edward Allen | Son | — | 10 | ~1930 |
| Mary Allen | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Lake, Florida
Daughter, age 7
Lake, Florida · implied b. ~1923 — 36 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Lake-County, Florida
Daughter, age 17
Lake-County, Florida · implied b. ~1923 — 15 household members
| Surname | Allen |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 19 |
| 1935 Residence (County) | Lake |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Allen
Daughter · 1940 · age 17 · b. ~1923 · Florida
★ You are viewing this record
Sibling
David Allen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Allen
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doretha Allen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorine Stafford
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Allen
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Allen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Odessa Allen
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Estella Allen
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abraham Allen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oliver Allen
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Solomon Allen
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nathaniel Allen
Sibling · 1940 · age 15
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 — Lake-County, Florida
Open full size
1940 US Federal Census — Lake-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00595-00832)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence E. Smith | 22 | Son | — | Florida |
| 42 | Nathaniel Sr. Allen | 46 | Head | Farmer | Florida |
| 43 | Matilda Allen | 39 | Wife | — | Florida |
| 44 | Estella Allen | 20 | Daughter | — | Florida |
| 45 | Frances Allen | 19 | Daughter | — | Florida |
| 46 | Bertha Allen THIS PERSON | 17 | Daughter | — | Florida |
| 47 | Nathaniel Jr. Allen | 15 | Son | — | Florida |
| 48 | Abraham Allen | 13 | Son | — | Florida |
| 49 | Doretha Allen | 12 | Daughter | — | Florida |
| 50 | Edward Allen | 10 | Son | — | Florida |
| 51 | Mary Lou Allen | 9 | Daughter | — | Florida |
| 52 | David Allen | 8 | Son | — | Florida |
| 53 | Odessa Allen | 6 | Daughter | — | Florida |
| 54 | Solomon Allen | 2 | Son | — | Florida |
| 55 | Oliver Allen | 1 | Son | — | Florida |
| 56 | Lorine Stafford | 24 | Daughter | — | Florida |
| 57 | James Allen | 52 | Head | Laborer | Florida |
| 58 | Lillar Allen | 52 | Wife | — | Florida |
| 59 | Robert Allen | 41 | Head | Laborer | Florida |
| 60 | Alberta Allen | 40 | Wife | — | Florida |
| 61 | Lucille Allen | 18 | Daughter | — | Florida |
| 62 | Mary Allen | 16 | Daughter | — | Florida |
| 63 | Eliza Allen | 14 | Daughter | — | Florida |
| 64 | Jeff D. Allen | 12 | Son | — | Florida |
| 65 | Charles Allen | 10 | Son | — | Florida |
| 66 | Wilbert Allen | 8 | Son | — | Florida |
| 67 | Robert Jr. Allen | 6 | Son | — | Florida |
| 68 | Joseph Allen | 4 | Son | — | Florida |
| 69 | Samuel Allen | 2 | Son | — | Florida |
| 70 | Lottie Shuler | 20 | Daughter | — | Florida |
| 71 | Dessie Lee Shuler | 4 | Daughter | — | Florida |
| 72 | Rosalee Shuler | 3 | Daughter | — | Florida |
| 73 | George Robinson | 40 | Head | Farmer | Florida |
| 74 | Almeta Robinson | 34 | Wife | Housework | Florida |
| 75 | Winfield Glenn | 35 | Head | Laborer | South Carolina |
| 76 | Elva Glenn | 29 | Wife | Field Work | Florida |
| 77 | Eunice Dudley | 7 | Adopted Daughter | — | Florida |
| 78 | William J. Dudley | 4 | Nephew | — | Florida |
| 79 | Louisa Dudley | 1 | Niece | — | Florida |
| 80 | James B. Mcclure | 69 | Head | Farmer | Kentucky |
Related Census Records
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)