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Lillian Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Lillian Davis across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Davis |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Mildred Davis | Daughter | — | 21 | ~1919 |
| Lillian Davis | Daughter | — | 12 | ~1928 |
| Lenore Davis | Daughter | — | 15 | ~1925 |
| Annie Davis | Daughter | — | 22 | ~1918 |
| Teresa Davis | Daughter | — | 26 | ~1914 |
| Jean Davis | Daughter | — | 15 | ~1925 |
| Ira Davis | Head | — | 61 | ~1879 |
| Blanche Davis | Other | — | 11 | ~1929 |
| Hugh Elston | Other | — | 5 | ~1935 |
| Oliver Elston | Other | — | 10 | ~1930 |
| Rosa Davis | Spouse | — | 54 | ~1886 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 2
Allegheny, Pennsylvania · implied b. ~1928 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lillian M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 12
Allegheny-County, Pennsylvania · implied b. ~1928 — 11 household members
| Surname | Davis |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Lillian Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillian Davis
Daughter · 1940 · age 12 · b. ~1928 · Pennsylvania
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Sibling
Mildred Davis
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Davis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Teresa Davis
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenore Davis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Davis
Sibling · 1940 · age 22
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03658-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Albrecht | 5 | Head | — | Pennsylvania |
| 2 | Harry Clouse | 24 | Son-in-law | Truck Driver | Pennsylvania |
| 3 | Ruth Clouse | 21 | Daughter | — | Pennsylvania |
| 4 | Louise Garity | 42 | Head | — | Germany |
| 5 | Fred Garity | 41 | Husband | Laborer | Germany |
| 6 | Manuel Garity | 19 | Son | Jack Hammer | Pennsylvania |
| 7 | Mary Garity | 17 | Daughter | — | Pennsylvania |
| 8 | Hildegard Garity | 9 | Daughter | — | Pennsylvania |
| 9 | Pauline Garity | 5 | Daughter | — | Pennsylvania |
| 10 | Patrick Kelly | 78 | Head | — | Irish Free State |
| 11 | Bridget Kelly | 71 | Wife | — | Pennsylvania |
| 12 | Joseph Kelly | 30 | Son | Messenger | Pennsylvania |
| 13 | Bridget Dickie | 50 | Head | — | North Ireland |
| 14 | William Dickie | 32 | Son | Chauffeur | Pennsylvania |
| 15 | Thomas Dickie | 26 | Son | Garage Man | Pennsylvania |
| 16 | Michael Dickie | 22 | Son | Labor | Pennsylvania |
| 17 | John Dickie | 20 | Son | New Worker | Pennsylvania |
| 18 | Ira Davis | 61 | Head | Plasterer | Alabama |
| 19 | Rosa Davis | 54 | Wife | Housekeeper | Alabama |
| 20 | Teresa Davis | 26 | Daughter | Laundress | Alabama |
| 21 | Annie Davis | 22 | Daughter | Housekeeper | Pennsylvania |
| 22 | Mildred Davis | 21 | Daughter | Seamstress | Pennsylvania |
| 23 | Jean Davis | 15 | Daughter | — | Pennsylvania |
| 24 | Lenore Davis | 15 | Daughter | — | Pennsylvania |
| 25 | Lillian Davis THIS PERSON | 12 | Daughter | — | Pennsylvania |
| 26 | Blanche Davis | 11 | Niece | — | Pennsylvania |
| 27 | Oliver Elston | 10 | Nephew | — | Pennsylvania |
| 28 | Hugh Elston | 5 | Nephew | — | Pennsylvania |
| 29 | End Of Block 38 | None | — | — | — |
| 30 | George Mcdermott | 37 | Head | Tongman | Pennsylvania |
| 31 | Katherine Mcdermott | 34 | Wife | — | Pennsylvania |
| 32 | John Mcdermott | 2 | Son | — | Pennsylvania |
| 33 | George Mcdermott | 0 | Son | — | Pennsylvania |
| 34 | John W. Fleishauer | 70 | Head | Tailor | Germany |
| 35 | Alice Fleishauer | 70 | Wife | — | South Ireland |
| 36 | William Leishaman | 42 | Head | Rough Master | Pennsylvania |
| 37 | Mary Leishaman | 43 | Wife | — | Irish Free State |
| 38 | Florence Leishaman | 18 | Daughter | — | Pennsylvania |
| 39 | William Leishaman | 12 | Son | — | Pennsylvania |
| 40 | Mary Leishaman | 11 | Daughter | — | Pennsylvania |
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)