MS
Mary Simpson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Mary Simpson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.
Age 76
b. ~1864
Female
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Paterson |
| 1935 Residence (County) | Passaic |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Paterson |
| Est. Birth Year | ~1864 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hanna Simpson | Daughter | — | 52 | ~1888 |
| Meta Simpson | Daughter | — | 48 | ~1892 |
| Mary Simpson | Head | — | 76 | ~1864 |
Census Appearances
1900
Passaic, New …
Spouse, age 37
Passaic, New Jersey · implied b. ~1863 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| Birth Month | June |
| Birth Year | 1863 |
| Year of Immigration | 1886 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
1910
Passaic, New …
Spouse, age 46
Passaic, New Jersey · implied b. ~1864 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | England |
| Years Married | 26 |
| Children Born | 8 |
| Children Living | 6 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
1920
Passaic, New …
Spouse, age 57
Passaic, New Jersey · implied b. ~1863 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpsons |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Passaic, New …
Spouse, age 67
Passaic, New Jersey · implied b. ~1863 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 27 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Passaic-County, New …
Head, age 76
Passaic-County, New Jersey · implied b. ~1864 — 3 household members
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Paterson |
| 1935 Residence (County) | Passaic |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Simpson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Simpson
Head · 1940 · age 76 · b. ~1864 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Passaic-County, New Jersey
Open full size
1940 US Federal Census — Passaic-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02431-00568)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James J. Trueman | 67 | Head | — | New Jersey |
| 2 | Anna D. Trueman | 67 | Wife | — | England |
| 3 | Regina Trueman | 29 | Daughter | Cashier | New Jersey |
| 4 | John Trueman | 27 | Son | Driver-Helper | New Jersey |
| 5 | Vera Mccrone | 24 | Daughter | — | New Jersey |
| 6 | Joseph Mccrone | 1 | Son-in-law | — | New Jersey |
| 7 | Sara Robinson | 83 | Head | — | New York |
| 8 | Ira D. Storms | 54 | Son | — | New Jersey |
| 9 | Dan Morgan | 69 | Lodger | Plumber | New Jersey |
| 10 | Philip Berke | 67 | Lodger | Fireman | New York |
| 11 | Henry Swayne | 30 | Head | Printer | Kentucky |
| 12 | Mildred Swayne | 23 | Wife | — | New Jersey |
| 13 | Mildred Swayne | 3 | Daughter | — | New Jersey |
| 14 | Barbara Swayne | 2 | Daughter | — | New Jersey |
| 15 | Caroline Swayne | 1 | Daughter | — | New Jersey |
| 16 | Richard Van Lenten | 24 | Head | Weaver | Pennsylvania |
| 17 | Rose E. Van Lenten | 21 | Wife | Blocker | New Jersey |
| 18 | Mary Simpson THIS PERSON | 76 | Head | — | England |
| 19 | Hanna Simpson | 52 | Daughter | — | New Jersey |
| 20 | Meta Simpson | 48 | Daughter | Weaver | New Jersey |
| 21 | Frank Hamilton | 72 | Head | — | Tennessee |
| 22 | Edna S. Hamilton | 73 | Wife | — | Rhode Island |
| 23 | Robert Hackler | 52 | Head | — | Alabama |
| 24 | Dale Hackler | 31 | Son | Cable Man | Texas |
| 25 | Louise Hackler | 22 | Daughter | Nurse | Texas |
| 26 | Beryl Hackler | 19 | Son | Sales Clerk | Texas |
| 27 | Gertrude Winslow | 56 | Head | — | New Jersey |
| 28 | Patrick Kennedy | 62 | Head | Electrician | New Jersey |
| 29 | Frances Kennedy | 20 | Daughter | — | New Jersey |
| 30 | Edward H. Greenwood | 69 | Head | President | New Jersey |
| 31 | Margaret Greenwood | 72 | Wife | — | England |
| 32 | Walter W. Greenwood | 26 | Son | Sales Clerk | New Jersey |
| 33 | Marian Greenwood | 24 | Wife | — | New Jersey |
| 34 | Betty Ann Greenwood | 4 | Daughter | — | New Jersey |
| 35 | Jerry Greenwood | 3 | Son | — | New Jersey |
| 36 | Charles J. Grant | 17 | Son | — | New Jersey |
| 38 | Mary Cohen | 49 | Head | — | Poland |
| 39 | Rose Cohen | 19 | Daughter | Clerk Sales | Poland |
| 40 | Joseph Puria | 55 | Lodger | Weaver | Poland |
Related Census Records
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)