MR
Mary Roth — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Mary Roth across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Roth |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Irvington |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | Hs 7 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Irvington |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Roth | Daughter | — | 13 | ~1927 |
| Clifford Roth | Son | — | 25 | ~1915 |
| William Roth | Son | — | 27 | ~1913 |
| Florence Roth | Daughter | — | 23 | ~1917 |
| Adeline Roth | Daughter | — | 14 | ~1926 |
| David Roth | Son | — | 10 | ~1930 |
| Beatrice Roth | Daughter | — | 21 | ~1919 |
| Florence Roth | Head | — | 52 | ~1888 |
Census Appearances
1930
Essex, New …
Daughter, age 2
Essex, New Jersey · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roth |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Daughter, age 13
Essex-County, New Jersey · implied b. ~1927 — 8 household members
| Surname | Roth |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Irvington |
| 1935 Residence (County) | Essex |
| Highest Grade | Hs 7 |
| 1935 Residence | Same house |
| 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 Mary Roth across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Roth
Daughter · 1940 · age 13 · b. ~1927 · New Jersey
★ You are viewing this record
Sibling
Florence Roth
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adeline Roth
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Roth
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Roth
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Roth
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Roth
Sibling · 1940 · age 25
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-t0627-02335-00098)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida Baun | 76 | Head | — | New Jersey |
| 2 | Dorothy Baun | 23 | Granddaughter | Clerk | New Jersey |
| 3 | Peter Sperun | 50 | Head | Operator | Poland |
| 4 | Mary Sperun | 47 | Wife | Operator | Poland |
| 5 | Peter Jr Sperun | 20 | Son | Machinist | New Jersey |
| 6 | Florence Roth | 52 | Head | — | New York |
| 7 | William Roth | 27 | Son | Painter | New York |
| 8 | Clifford Roth | 25 | Son | Collector | New Jersey |
| 9 | Florence Roth | 23 | Daughter | — | New Jersey |
| 10 | Beatrice Roth | 21 | Daughter | N.Y.A. | New Jersey |
| 11 | Adeline Roth | 14 | Daughter | — | New Jersey |
| 12 | Mary Roth THIS PERSON | 13 | Daughter | — | New Jersey |
| 13 | David Roth | 10 | Son | — | New Jersey |
| 14 | Hugo Hauer | 45 | Head | Layer | New York |
| 15 | Alice Hauer | 42 | Wife | — | New Jersey |
| 16 | Mildred Handschuh | 23 | Daughter | — | New Jersey |
| 17 | Arthur Handschuh | 27 | Son-in-law | Clerk-Shipping | New Jersey |
| 18 | Carol Handschuh | 1 | Granddaughter | — | New Jersey |
| 19 | Charles Laubenstein | 51 | Head | Bricklayer | New Jersey |
| 20 | Kathleen Laubenstein | 51 | Wife | Factory Hand | Pennsylvania |
| 21 | Ruth Gorman | 19 | Daughter | Factory Hand | New Jersey |
| 22 | Thomas Gorman | 23 | Son-in-law | Toolmaker | New Jersey |
| 23 | Mary Laubenstein | 78 | Mother | — | Germany |
| 24 | Elton Kyser | 54 | Head | Skilled | Maine |
| 25 | Louise Kyser | 55 | Wife | — | New Jersey |
| 26 | Augustus Bowers | 53 | Head | Driver | New Jersey |
| 27 | Hazel Bowers | 45 | Wife | — | New Jersey |
| 28 | Hazel Bowers | 22 | Daughter | Clerk | New York |
| 29 | Edith Bowers | 19 | Daughter | Factory Hand | New York |
| 30 | Dorothy Gourney | 24 | Daughter | — | New York |
| 31 | Robert Gourney | 3 | Grandson | — | New Jersey |
| 32 | Edward Gourney | 25 | Son-in-law | Bus Driver | New Jersey |
| 33 | Blanche Brooks | 70 | Mother-in-law | — | Virginia |
| 34 | Edward Steinke | 44 | Head | Foreman (Machines) | Germany |
| 35 | Martha Steinke | 41 | Wife | — | New Jersey |
| 36 | Eleanor Steinke | 18 | Daughter | Clerk | New Jersey |
| 37 | Martha Steinke | 17 | Daughter | — | New Jersey |
| 38 | Dorothy Steinke | 10 | Daughter | — | New Jersey |
| 39 | William Steinke | 5 | Son | — | New Jersey |
| 40 | Louis Muller | 48 | Head | Painter | 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)