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Robert Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Ross across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Ross |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Medford City |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Anne Ross | Daughter | — | 7 | ~1933 |
| Lillian Ross | Daughter | — | 9 | ~1931 |
| James Ross | Head | — | 41 | ~1899 |
| Robert Ross | Son | — | 11 | ~1929 |
| James Ross | Son | — | 12 | ~1928 |
| Edward Ross | Son | — | 1 | ~1939 |
| Richard Ross | Son | — | 3 | ~1937 |
| Donald Ross | Son | — | 4 | ~1936 |
| Charles Ross | Son | — | 6 | ~1934 |
| Anne Ross | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 11
Middlesex-County, Massachusetts · implied b. ~1929 — 10 household members
| Surname | Ross |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 11 · b. ~1929 · Massachusetts
★ You are viewing this record
Sibling
Lillian Ross
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Ross
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Ross
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Ross
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Ross
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Ross
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Ross
Sibling · 1940 · age 3
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01611-00461)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Torres | 46 | Head | Upholsterer | Massachusetts |
| 42 | Angile Torres | 44 | Wife | — | Massachusetts |
| 43 | Francis Torres | 18 | Son | — | Massachusetts |
| 44 | Robert Torres | 17 | Son | — | Massachusetts |
| 45 | John F. Hurley | 51 | Head | Leather Sorter | Massachusetts |
| 46 | Ellen Hurley | 59 | Wife | — | Ireland |
| 47 | Cathrine Hurley | 26 | Daughter | Asst. Practical Nurse | Massachusetts |
| 48 | Jermiah Hurley | 24 | Son | Shoe Mfg. Worker | Massachusetts |
| 49 | Daniel Hurley | 23 | Son | Linking Machine | Massachusetts |
| 50 | Mary Hurley | 17 | Daughter | — | Massachusetts |
| 51 | Timothy Okeefe | 49 | Head | Janitor | Massachusetts |
| 52 | Cathrine Okeefe | 47 | Wife | — | Massachusetts |
| 53 | Cathrine Okeefe | 20 | Daughter | Reeler | Massachusetts |
| 54 | Ruth Okeefe | 17 | Daughter | — | Massachusetts |
| 55 | Beatrice Okeefe | 16 | Daughter | — | Massachusetts |
| 56 | Rosemary Okeefe | 11 | Daughter | — | Massachusetts |
| 57 | Extra Line Extra Line | None | — | — | — |
| 58 | Charles Glennon | 38 | Head | Gas Station Attendant | Massachusetts |
| 59 | Ines Glennon | 28 | Wife | — | Massachusetts |
| 60 | Charles Glennon | 8 | Son | — | Massachusetts |
| 61 | James Glennon | 6 | Son | — | Massachusetts |
| 62 | Stella Glennon | 5 | Daughter | — | Massachusetts |
| 63 | Lois Turner | 37 | Sister in law | Sewing Dresses | Nova Scotia |
| 64 | Cathrine Turner | 18 | Neice | Card Packer | Massachusetts |
| 65 | Francis Burrie | 42 | Head | Conductor On R.R. | Maine |
| 66 | Josephine Burrie | 27 | Wife | — | Massachusetts |
| 67 | Richard Burrie | 2 | Son | — | Massachusetts |
| 68 | James Ross | 41 | Head | Industrial Electrician | Massachusetts |
| 69 | Anne Ross | 33 | Wife | — | Massachusetts |
| 70 | James Ross | 12 | Son | — | Massachusetts |
| 71 | Robert Ross THIS PERSON | 11 | Son | — | Massachusetts |
| 72 | Lillian Ross | 9 | Daughter | — | Massachusetts |
| 73 | Anne Ross | 7 | Daughter | — | Massachusetts |
| 74 | Charles Ross | 6 | Son | — | Massachusetts |
| 75 | Donald Ross | 4 | Son | — | Massachusetts |
| 76 | Richard Ross | 3 | Son | — | Massachusetts |
| 77 | Edward Ross | 1 | Son | — | Massachusetts |
| 78 | Dominic Elliot | 41 | Head | Truck Driver | Massachusetts |
| 79 | Rachale Elliot | 32 | Wife | — | Massachusetts |
| 80 | Richard Elliot | 6 | Son | — | Massachusetts |
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)