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Robert Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Robert Ross across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Ross |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Janet Ross | Daughter | — | 13 | ~1927 |
| Doris Ross | Daughter | — | 10 | ~1930 |
| James Ross | Head | — | 47 | ~1893 |
| David Ross | Son | — | 6 | ~1934 |
| Charles Ross | Son | — | 3 | ~1937 |
| George Ross | Son | — | 8 | ~1932 |
| Robert Ross | Son | — | 18 | ~1922 |
| Earl Ross | Son | — | 17 | ~1923 |
| James Ross | Son | — | 16 | ~1924 |
| Helen Ross | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 8
Philadelphia, Pennsylvania · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 10 household members
| Surname | Ross |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 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 Robert Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Ross
Son · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Earl Ross
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Ross
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Ross
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Ross
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Ross
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Ross
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Ross
Sibling · 1940 · age 13
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03741-00314)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Raymond J Mutlack | 12 | Son | — | Pennsylvania |
| 42 | James A Wilson | 52 | Head | Contractor | Ireland |
| 43 | Elsie Wilson | 58 | Wife | — | Pennsylvania |
| 44 | Joseph Richie | 79 | Boarder | — | Pennsylvania |
| 45 | John Hartman | 60 | Head | Cleaner | England |
| 46 | Margaret Hartman | 55 | Wife | — | Pennsylvania |
| 47 | Emma S. V. Warren | 64 | Head | — | New Jersey |
| 48 | Clara Anderson | 57 | Lodger | — | Pennsylvania |
| 49 | James H Ross | 47 | Head | Baker | Maryland |
| 50 | Helen Ross | 44 | Wife | — | Pennsylvania |
| 51 | Robert Ross THIS PERSON | 18 | Son | — | Pennsylvania |
| 52 | Earl Ross | 17 | Son | — | Pennsylvania |
| 53 | James Ross | 16 | Son | — | Pennsylvania |
| 54 | Janet Ross | 13 | Daughter | — | Pennsylvania |
| 55 | Doris Ross | 10 | Daughter | — | Pennsylvania |
| 56 | George Ross | 8 | Son | — | Pennsylvania |
| 57 | David Ross | 6 | Son | — | Pennsylvania |
| 58 | Charles Ross | 3 | Son | — | Pennsylvania |
| 59 | August Frank | 68 | Head | Laborer | Germany |
| 60 | Dora Frank | 65 | Wife | — | Germany |
| 61 | Monica Frank | 30 | Daughter | Mail Order Clerk | Pennsylvania |
| 62 | Theresa Braun | 53 | Head | — | Czechoslovakia |
| 63 | John Braun | 22 | Son | Cake Decorator | Pennsylvania |
| 64 | Catherine Braun | 18 | Daughter | New Worker | Pennsylvania |
| 65 | Frank Braun | 25 | Son | Mechanic | Pennsylvania |
| 66 | Josephine Braun | 23 | Daughter-in-law | — | New York |
| 67 | Robert W Denny | 30 | Head | Salesman | Pennsylvania |
| 68 | Katherine Denny | 35 | Wife | Seamer | Pennsylvania |
| 69 | Ernest Adams | 47 | Head | Fireman | Russia |
| 70 | Anna Adams | 44 | Wife | — | Germany |
| 71 | Raymond Adams | 22 | Son | Apprentice | Pennsylvania |
| 72 | John Adams | 19 | Son | — | Pennsylvania |
| 73 | Mary Adams | 17 | Daughter | — | Pennsylvania |
| 74 | Ruth Adams | 9 | Daughter | — | Pennsylvania |
| 75 | Marie Adams | 32 | Daughter | — | Pennsylvania |
| 76 | Thomas Miller | 68 | Head | — | Pennsylvania |
| 77 | Agnes Miller | 66 | Wife | — | Pennsylvania |
| 78 | William Miller | 36 | Son | Salesman | Pennsylvania |
| 79 | William Jr Miller | 18 | Grandson | Mechanic | Pennsylvania |
| 80 | Elizabeth Miller | 16 | Daughter-in-law | — | 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)