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George Davidson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this George Davidson across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Davidson |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Baldwin Township |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Baldwin Township |
| Est. Birth Year | ~1929 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| George Davidson | Son | — | 11 | ~1929 |
| Stella Davidson | Spouse | — | 39 | ~1901 |
| Grace Davidson | Daughter | — | 5 | ~1935 |
| Florence Davidson | Daughter | — | 17 | ~1923 |
| Thomas Davidson | Son | — | 14 | ~1926 |
| Thomas Davidson | Head | — | 41 | ~1899 |
| Dorothy Davidson | Daughter | — | 19 | ~1921 |
| Ruth Davidson | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 1
Allegheny, Pennsylvania · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | George |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 11
Allegheny-County, Pennsylvania · implied b. ~1929 — 8 household members
| Surname | Davidson |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Baldwin Township |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 George Davidson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
George Davidson
Son · 1940 · age 11 · b. ~1929 · Pennsylvania
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Sibling
Thomas Davidson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Davidson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Davidson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Davidson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Davidson
Sibling · 1940 · age 5
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-t0627-03397-00360)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Krebbs | 61 | Head | Laborer | Pennsylvania |
| 2 | Mary M Krebbs | 54 | Wife | — | Pennsylvania |
| 3 | Richard Krebbs | 23 | Son | Laborer | Pennsylvania |
| 4 | Jerome Krebbs | 19 | Son | — | Pennsylvania |
| 5 | Gerard Krebbs | 13 | Son | — | Pennsylvania |
| 6 | Thomas Davidson | 41 | Head | Machinist | Pennsylvania |
| 7 | Stella M Davidson | 39 | Wife | — | Pennsylvania |
| 8 | Dorothy Davidson | 19 | Daughter | — | Pennsylvania |
| 9 | Florence Davidson | 17 | Daughter | — | Pennsylvania |
| 10 | Ruth Davidson | 15 | Daughter | — | Pennsylvania |
| 11 | Thomas Jr. Davidson | 14 | Son | — | Pennsylvania |
| 12 | George Davidson THIS PERSON | 11 | Son | — | Pennsylvania |
| 13 | Grace E Davidson | 5 | Daughter | — | Pennsylvania |
| 14 | John Thomas | 65 | Head | — | France |
| 15 | Carrie Thomas | 55 | Wife | — | England |
| 16 | Hugh Luster | 39 | Head | Motor Inspector | Pennsylvania |
| 17 | Mary E Luster | 38 | Wife | — | Pennsylvania |
| 18 | Mary M Luster | 14 | Daughter | — | Pennsylvania |
| 19 | Hugh A Luster | 11 | Son | — | Pennsylvania |
| 20 | Robert B Luster | 9 | Son | — | Pennsylvania |
| 21 | Gust Yeager | 51 | Head | Laborer | Pennsylvania |
| 22 | Matilda Yeager | 40 | Wife | — | Pennsylvania |
| 23 | Charlotte Yeager | 20 | Daughter | — | Pennsylvania |
| 24 | Gustave Yeager | 18 | Son | — | Pennsylvania |
| 25 | Ruth Yeager | 16 | Daughter | — | Pennsylvania |
| 26 | Edward Yeager | 12 | Son | — | Pennsylvania |
| 27 | Shirley Yeager | 4 | Daughter | — | Pennsylvania |
| 28 | Norma Jean Yeager | 1 | Daughter | — | Pennsylvania |
| 29 | Joseph Genter | 23 | Head | Crane Move | Pennsylvania |
| 30 | Irene J Genter | 22 | Wife | — | Pennsylvania |
| 31 | Barbara Lee Genter | 1 | Daughter | — | Pennsylvania |
| 32 | Henry Schumacher | 45 | Head | Cook | Pennsylvania |
| 33 | Annie Schumacher | 36 | Wife | — | Pennsylvania |
| 34 | Harry Schumacher | 13 | Son | — | Pennsylvania |
| 35 | Jerry Schumacher | 11 | Son | — | Pennsylvania |
| 36 | August Schumacher | 9 | Son | — | Pennsylvania |
| 37 | Henry Schumacher | 8 | Son | — | Pennsylvania |
| 38 | Audrey Schumacher | 5 | Daughter | — | Pennsylvania |
| 39 | William Schumacher | 3 | Son | — | Pennsylvania |
| 40 | Walter Schumacher | 1 | Son | — | Pennsylvania |
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)