DJ
David Jenkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this David Jenkins across the 1920, 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents David & Rachael — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Jenkins |
| Given Name | David Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Johnstown city |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Occupation | Chemist |
| Industry | Chemical Laboratory |
| Class of Worker | GW |
| Hours Worked | 14 |
| Income (1939) | 190 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Chemist |
| Township / Ward | Johnstown City |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Rachael Jenkins | Spouse | — | 53 | ~1887 |
| Sara Uhart | Other | — | 45 | ~1895 |
| David Jenkins | Son | — | 22 | ~1918 |
| David Jenkins | Head | — | 54 | ~1886 |
Census Appearances
1920
Cambria, Pennsylvania
Son, age 2
Cambria, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Mother Tongue | Welsh |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Cambria, Pennsylvania
Son, age 12
Cambria, Pennsylvania · implied b. ~1918 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | David M. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Son, age 22
Cambria-County, Pennsylvania · implied b. ~1918 — 4 household members
| Surname | Jenkins |
| Given Name | David Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Johnstown city |
| 1935 Residence (County) | Cambria |
| Occupation | Chemist |
| Industry | Chemical Laboratory |
| Class of Worker | GW |
| Hours Worked | 14 |
| Income (1939) | 190 |
| Highest Grade | C 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 Jenkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Jenkins (~0.92 confidence) and mother Rachael Jenkins (~0.92 confidence) and mother Rachael Jenkins (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Jenkins
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Rachael Jenkins
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Rachael Jenkins
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Jenkins
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
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-t0627-03455-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry A Donafsky | 44 | Head | Salesman | Pennsylvania |
| 2 | Mary Donafsky | 37 | Wife | — | Pennsylvania |
| 3 | Marlon Donafsky | 9 | Son | — | Pennsylvania |
| 4 | Charles R Wilson | 34 | Head | Roll Turner | Pennsylvania |
| 5 | Sara Wilson | 31 | Wife | Salesgirl | Pennsylvania |
| 6 | David M Jenkins | 54 | Head | Foreman | Wales |
| 7 | Rachael Jenkins | 53 | Wife | — | Wales |
| 8 | David Jr Jenkins THIS PERSON | 22 | Son | Chemist | Pennsylvania |
| 9 | Sara Uhart | 45 | Maid | Maid | Pennsylvania |
| 10 | Pasquale Cotroneo | 55 | Head | Barber | Italy |
| 11 | Angeline Cotroneo | 45 | Wife | — | Italy |
| 12 | Joan Cotroneo | 24 | Daughter | Beauty Operator | Pennsylvania |
| 13 | Mary Cotroneo | 23 | Daughter | Office Clerk | Pennsylvania |
| 14 | Celestine Cotroneo | 21 | Daughter | Stenog | Pennsylvania |
| 15 | Clara Cotroneo | 20 | Daughter | — | Pennsylvania |
| 16 | Nino Cotroneo | 18 | Son | — | Pennsylvania |
| 17 | Gloria Cotroneo | 13 | Daughter | — | Pennsylvania |
| 18 | John Viewald | 41 | Head | Truck Driver | Pennsylvania |
| 19 | Marian Viewald | 38 | Wife | — | Pennsylvania |
| 20 | Roy Viewald | 17 | Son | — | Pennsylvania |
| 21 | Robert Viewald | 12 | Son | — | Pennsylvania |
| 22 | Otto Viewald | 38 | Head | Clerk | Pennsylvania |
| 23 | Elizabeth Viewald | 36 | Wife | — | Pennsylvania |
| 24 | Arlene Viewald | 10 | Daughter | — | Pennsylvania |
| 25 | Dan Viewald | 0 | Son | — | Pennsylvania |
| 26 | Cecil Mccauliff | 27 | Head | Truck Driver | Pennsylvania |
| 27 | Elizabeth Mccauliff | 26 | Wife | — | Pennsylvania |
| 28 | Claude Brown | 41 | Head | Electrician | Pennsylvania |
| 29 | Mildred Brown | 41 | Wife | — | Pennsylvania |
| 30 | Barbara Brown | 10 | Daughter | — | Pennsylvania |
| 31 | Blake Harris | 44 | Head | File Clerk Clerical Work | Pennsylvania |
| 32 | Leta Q Harris | 43 | Wife | — | Pennsylvania |
| 33 | Janet Harris | 18 | Daughter | — | Pennsylvania |
| 34 | Helen Harris | 15 | Daughter | — | Pennsylvania |
| 35 | Rachael Harris | 13 | Daughter | — | Pennsylvania |
| 36 | Charles A Thomas | 63 | Head | Stenographer | Pennsylvania |
| 37 | Ettie Thomas | 53 | Wife | Roller Steam | Pennsylvania |
| 38 | Nan B Thomas | 27 | Daughter | Physiotherapist | Pennsylvania |
| 39 | M. Gretchen Thomas | 18 | Daughter | — | Pennsylvania |
| 40 | Ralph Kaufman | 46 | Head | Policeman | Pennsylvania |
Related Census Records
Pedigree Summary
David
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)