DR
David Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this David Ross across the 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Ross |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Car shop Helper |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 584 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Car Shop Helper |
| Township / Ward | Altoona |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Mary Ross | Spouse | — | 56 | ~1884 |
| David Ross | Son | — | 24 | ~1916 |
| Thomas Ross | Head | — | 53 | ~1887 |
| William Ross | Son | — | 26 | ~1914 |
| Violet Ross | Daughter | — | 21 | ~1919 |
| Mildred Ross | Daughter | — | 15 | ~1925 |
| Lillian Ross | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Cambria, Pennsylvania
Son, age 14
Cambria, Pennsylvania · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Son, age 24
Blair-County, Pennsylvania · implied b. ~1916 — 7 household members
| Surname | Ross |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| Occupation | Car shop Helper |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 584 |
| Highest Grade | H 2 |
| 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 Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Ross
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
William Ross
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Ross
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Ross
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Ross
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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03439-00446)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma B. Mcantley | 43 | Wife | — | Maryland |
| 42 | David Mcantley | 23 | Son | — | Pennsylvania |
| 43 | Iona Mcantley | 15 | Daughter | — | Pennsylvania |
| 44 | Mollie Mcantley | 6 | Son | — | Pennsylvania |
| 45 | James Mcantley | 4 | Son | — | Pennsylvania |
| 46 | Jonathon Mcantley | 1 | Son | — | Pennsylvania |
| 47 | Fred Singer | 30 | Head | Upholsterer | Pennsylvania |
| 48 | Iva D. Singer | 29 | Wife | — | Pennsylvania |
| 49 | Carl Singer | 9 | Son | — | Pennsylvania |
| 50 | Patty Singer | 1 | Daughter | — | Pennsylvania |
| 51 | John Mccartney | 46 | Head | Salesman | Pennsylvania |
| 52 | Edith M. Mccartney | 46 | Wife | — | Pennsylvania |
| 53 | Arthur S. Mccartney | 25 | Son | Truck Driver | Pennsylvania |
| 54 | Milton Mccartney | 19 | Son | Laborer | Pennsylvania |
| 55 | Marilyn Mccartney | 17 | Daughter | — | Pennsylvania |
| 56 | Wanda Mccartney | 16 | Daughter | — | Pennsylvania |
| 57 | Margaret Mccartney | 14 | Daughter | — | Pennsylvania |
| 58 | Jane Mccartney | 12 | Daughter | — | Pennsylvania |
| 59 | Ruth Ann Mccartney | 11 | Daughter | — | Pennsylvania |
| 60 | Jean Mccartney | 6 | Daughter | — | Pennsylvania |
| 61 | Paul Mccartney | 3 | Son | — | Pennsylvania |
| 62 | Joseph Rice | 36 | Head | Laborer | Pennsylvania |
| 63 | Jane Rice | 35 | Wife | — | Pennsylvania |
| 64 | Robert Rice | 14 | Son | — | Pennsylvania |
| 65 | Vivian Rice | 11 | Daughter | — | Pennsylvania |
| 66 | Milton Rice | 5 | Son | — | Pennsylvania |
| 67 | Lillian Mae Rice | 2 | Daughter | — | Pennsylvania |
| 68 | Joseph Dunn | 49 | Head | Brakeman | Pennsylvania |
| 69 | Joseph X. Dunn | 23 | Son | Counter | Pennsylvania |
| 70 | Effie Harte | 47 | Housekeeper | Housekeeper | Pennsylvania |
| 71 | Thomas Ross | 53 | Head | Machinist | Scotland |
| 72 | Mary Ross | 56 | Wife | Clerk | Scotland |
| 73 | William Ross | 26 | Son | Shipping | Pennsylvania |
| 74 | David Ross THIS PERSON | 24 | Son | Car Shop Helper | Pennsylvania |
| 75 | Violet Ross | 21 | Daughter | — | Pennsylvania |
| 76 | Mildred Ross | 15 | Daughter | — | Pennsylvania |
| 77 | Lillian Ross | 15 | Daughter | — | 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)