DC
David Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this David Cook across the 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Cook |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Beaverdale |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Beaverdale |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Leland Cook | Son | — | 1 | ~1939 |
| Ruth Cook | Daughter | — | 5 | ~1935 |
| Lois Cook | Daughter | — | 7 | ~1933 |
| Arthur Cook | Son | — | 15 | ~1925 |
| Robert Cook | Son | — | 13 | ~1927 |
| David Cook | Son | — | 12 | ~1928 |
| Arthur Cook | Head | — | 36 | ~1904 |
| Vilda Cook | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Cambria, Pennsylvania
Other, age 2
Cambria, Pennsylvania · implied b. ~1928 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | David |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Son, age 12
Cambria-County, Pennsylvania · implied b. ~1928 — 8 household members
| Surname | Cook |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Beaverdale |
| 1935 Residence (County) | Cambria |
| Highest Grade | No 4 |
| 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 David Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Cook
Son · 1940 · age 12 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
Arthur Cook
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cook
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leland Cook
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Cook
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cook
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 — Cambria-County, Pennsylvania
Open full size
1940 US Federal Census — Cambria-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03457-00724)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edith Leichliter | 8 | Daughter | — | Pennsylvania |
| 42 | Gordon Leichliter | 6 | Son | — | Pennsylvania |
| 43 | Jack Leichliter | 4 | Son | — | Pennsylvania |
| 44 | Wilber Leichliter | 2 | Son | — | Pennsylvania |
| 45 | Arthur F. Cook | 36 | Head | Laborer | Pennsylvania |
| 46 | Vilda Cook | 32 | Wife | — | Pennsylvania |
| 47 | Arthur Cook | 15 | Son | — | Pennsylvania |
| 48 | Robert Cook | 13 | Son | — | Pennsylvania |
| 49 | David Cook THIS PERSON | 12 | Son | — | Pennsylvania |
| 50 | Lois Cook | 7 | Daughter | — | Pennsylvania |
| 51 | Ruth Cook | 5 | Daughter | — | Pennsylvania |
| 52 | Leland Cook | 1 | Son | — | Pennsylvania |
| 53 | Richard Townend | 32 | Head | Stone Mason | Pennsylvania |
| 54 | Florence Townend | 28 | Wife | — | Pennsylvania |
| 55 | Donald Townend | 11 | Son | — | Pennsylvania |
| 56 | Ralph Townend | 7 | Son | — | Pennsylvania |
| 57 | Doris Townend | 4 | Daughter | — | Pennsylvania |
| 58 | Herbert Townend | 2 | Son | — | Pennsylvania |
| 59 | Kenneth Townend | 0 | Son | — | Pennsylvania |
| 60 | Wasco Fetsko | 55 | Head | Miner | Poland |
| 61 | Mary Fetsko | 57 | Wife | — | Poland |
| 62 | Ernest Fetsko | 30 | Son | Miner | Pennsylvania |
| 63 | George Fetsko | 27 | Son | Miner | Pennsylvania |
| 64 | Leo Fetsko | 22 | Son | Miner | Pennsylvania |
| 65 | Thomas Fetsko | 15 | Son | — | Pennsylvania |
| 66 | Stanley Limanovick | 34 | Head | Miner | Pennsylvania |
| 67 | Helen Limanovick | 24 | Wife | — | Pennsylvania |
| 68 | Sylvia Limanovick | 7 | Daughter | — | Pennsylvania |
| 69 | Martha Limanovick | 5 | Daughter | — | Pennsylvania |
| 70 | John Koblinsky | 61 | Head | Laborer | Czechoslovakia |
| 71 | Mary Koblinsky | 55 | Wife | — | Czechoslovakia |
| 72 | John Koblinsky | 20 | Son | Laborer | Pennsylvania |
| 73 | Michael Koblinsky | 15 | Son | — | Pennsylvania |
| 74 | Mary Koblinsky | 13 | Daughter | — | Pennsylvania |
| 75 | Annie Koblinsky | 10 | Daughter | — | Pennsylvania |
| 76 | Charles Van Guilder | 30 | Head | Miner | Pennsylvania |
| 77 | Ruth Van Guilder | 29 | Wife | — | Pennsylvania |
| 78 | John W. Van Guilder | 64 | Father | Miner | Pennsylvania |
| 79 | Andrew Fedore | 62 | Head | Miner | Czechoslovakia |
| 80 | Elizabeth Fedore | 62 | Wife | Miner | Czechoslovakia |
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)