RD
Robert Douglas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Robert Douglas across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Douglas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Bloomfield |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Bloomfield |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Douglas | Daughter | — | 13 | ~1927 |
| Kathleen Douglas | Daughter | — | 10 | ~1930 |
| Peter Douglas | Head | — | 37 | ~1903 |
| Margaret Douglas | Daughter | — | 3 | ~1937 |
| Constance Douglas | Daughter | — | 8 | ~1932 |
| Isabella Douglas | Daughter | — | 6 | ~1934 |
| Robert Douglas | Son | — | 11 | ~1929 |
| Margaret Douglas | Daughter | — | 17 | ~1923 |
| Catherine Douglas | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Essex, New …
Other, age 1
Essex, New Jersey · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Robert |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 11
Essex-County, New Jersey · implied b. ~1929 — 9 household members
| Surname | Douglas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Bloomfield |
| 1935 Residence (County) | Essex |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Douglas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Douglas
Son · 1940 · age 11 · b. ~1929 · New Jersey
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Sibling
Kathleen Douglas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Douglas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Douglas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Douglas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Constance Douglas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabella Douglas
Sibling · 1940 · age 6
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02329-00011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Mcmahon | 13 | Head | Practitioner | New Jersey |
| 42 | John Mcmahon | 12 | Son | — | New Jersey |
| 43 | Vincent Mcmahon | 10 | Son | — | New Jersey |
| 44 | Maryann Mcmahon | 7 | Daughter | — | New Jersey |
| 45 | Robert Mcmahon | 4 | Son | — | New Jersey |
| 46 | Barbara Mcmahon | 1 | Daughter | — | New Jersey |
| 47 | Grace Myers | 48 | Head | Practical Nurse | New Jersey |
| 48 | Marion Myers | 28 | Daughter | — | New Jersey |
| 49 | Margaret Myers | 19 | Daughter | Clerk | New Jersey |
| 50 | Helen Myers | 14 | Daughter | Wiring | New Jersey |
| 51 | Morris S. Kleinman | 40 | Head | Owner | Poland |
| 52 | Minnie Kleinman | 35 | Wife | — | Poland |
| 53 | Renee Kleinman | 6 | Daughter | — | Brooklyn, NY |
| 54 | Barbara Sue Kleinman | 4 | Daughter | — | Paterson, NY |
| 55 | Maria Poriello | 71 | Head | — | Italy |
| 56 | Harry Poriello | 30 | Son | — | Montclair, NJ |
| 57 | Stewart Hegeman | 26 | Head | Elec. Engineer | New Jersey |
| 58 | Constance Hegeman | 23 | Wife | — | Massachusetts |
| 59 | Michael Hegeman | 0 | Son | — | Glen Ridge |
| 60 | Calvin Schneider | 32 | Brother-in-law | Policy Writer | Missouri |
| 61 | Catharine Schneider | 28 | Sister | — | Brooklyn, NY |
| 62 | Helen Schneider | 6 | Niece | — | Glen Ridge, NJ |
| 63 | Philip Schneider | 3 | Nephew | — | Glen Ridge, NJ |
| 64 | Rosemary Doyle | 19 | Maid | House Worker | Montclair, NJ |
| 65 | James Boyle | 29 | Head | Superintendent | New Jersey |
| 66 | Charlotte Boyle | 27 | Wife | — | New Jersey |
| 67 | Beverly Boyle | 3 | Daughter | — | New Jersey |
| 68 | Peter Douglas | 37 | Head | Painter | Scotland |
| 69 | Catherine Douglas | 36 | Wife | — | New Jersey |
| 70 | Robert Douglas THIS PERSON | 11 | Son | — | New Jersey |
| 71 | Margaret Jean Douglas | 17 | Daughter | Dress Maker | New Jersey |
| 72 | Eleanor Douglas | 13 | Daughter | — | New Jersey |
| 73 | Kathleen Douglas | 10 | Daughter | — | New Jersey |
| 74 | Constance Douglas | 8 | Daughter | — | New Jersey |
| 75 | Isabella Douglas | 6 | Daughter | — | New Jersey |
| 76 | Margaret Douglas | 3 | Daughter | — | New Jersey |
| 77 | John J. Brien | 43 | Head | Painter | New York |
| 78 | Bessie Brien | 43 | Wife | — | New Jersey |
| 79 | Virginia Brien | 17 | Daughter | — | New Jersey |
| 80 | John Brien | 16 | Son | — | New Jersey |
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)