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Mary Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this Mary Thomas across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 5-person household.
Age 68
b. ~1872
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | Thomas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Perth Amboy |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Perth Amboy |
| Est. Birth Year | ~1872 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Matthew Thomas | Head | — | 81 | ~1859 |
| William Thomas | Son | — | 30 | ~1910 |
| David Thomas | Son | — | 43 | ~1897 |
| Matthew Thomas | Son | — | 38 | ~1902 |
| Mary Thomas | Spouse | — | 68 | ~1872 |
Census Appearances
1910
Middlesex, New …
Spouse, age 38
Middlesex, New Jersey · implied b. ~1872 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | England |
| Years Married | 20 |
| Children Born | 7 |
| Children Living | 5 |
| Year of Immigration | 1887 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Birth Country | England |
| Birthplace (normalized) | england |
1920
Middlesex, New …
Spouse, age 48
Middlesex, New Jersey · implied b. ~1872 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1885 |
| 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 |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | england |
1930
Middlesex, New …
Spouse, age 58
Middlesex, New Jersey · implied b. ~1872 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 19 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Middlesex-County, New …
Spouse, age 68
Middlesex-County, New Jersey · implied b. ~1872 — 5 household members
| Surname | Thomas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Perth Amboy |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | 8 |
| 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 Thomas across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Thomas
Spouse · 1940 · age 68 · b. ~1872 · 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 — Middlesex-County, New Jersey
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1940 US Federal Census — Middlesex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02361-00071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elsa B Davenport | 40 | Wife | — | New Jersey |
| 42 | Howard Davenport | 15 | Son | — | New Jersey |
| 43 | Robert Davenport | 13 | Son | — | New Jersey |
| 44 | Charles Dones | 32 | Head | Salesman | New Jersey |
| 45 | Ethel Dones | 26 | Wife | — | New Jersey |
| 46 | Saul Weiss | 39 | Head | Butcher | New York |
| 47 | Sarah Weiss | 39 | Wife | — | New Jersey |
| 48 | Jack Weiss | 14 | Son | — | New Jersey |
| 49 | Alan B Weiss | 10 | Son | — | New Jersey |
| 50 | Matthew Thomas | 81 | Head | — | Wales |
| 51 | Mary Thomas THIS PERSON | 68 | Wife | — | England |
| 52 | David Thomas | 43 | Son | Physical Director | Virginia |
| 53 | Matthew Jr Thomas | 38 | Son | Engineer | New Jersey |
| 54 | William Thomas | 30 | Son | Machine Operator | New Jersey |
| 55 | Vincent Alicastro | 64 | Head | Asst. Foreman | Italy |
| 56 | Antoinette Alicastro | 56 | Wife | — | Italy |
| 57 | Anna Alicastro | 34 | Daughter | Shirt Presser | Italy |
| 58 | Adelia Alicastro | 25 | Daughter | Dressmaker | Italy |
| 59 | Matthew Alicastro | 21 | Son | Cutter - Hat Machine | Italy |
| 60 | Joseph Alicastro | 19 | Son | Operator | Italy |
| 61 | Lena Alicastro | 17 | Daughter | — | Italy |
| 62 | Alexander Handelman | 47 | Head | Foreman | Rumania |
| 63 | Lucy Handelman | 41 | Wife | — | New York |
| 64 | Muriel Handelman | 14 | Daughter | — | New York |
| 65 | John Handelman | 10 | Son | — | New Jersey |
| 66 | Joseph Jaffee | 60 | Lodger | Watchman | Russia |
| 67 | Isaac Frankel | 47 | Head | Proprietor | New Jersey |
| 68 | Etta Frankel | 42 | Wife | — | New Jersey |
| 69 | Harold Frankel | 18 | Son | — | New Jersey |
| 70 | Mildred Frankel | 15 | Son | — | New Jersey |
| 71 | Alexander Levy | 64 | Head | Merchant | Russia |
| 72 | Gussie Levy | 63 | Wife | — | Austria |
| 73 | Jeannie Levy | 34 | Daughter | Bookkeeper | New Jersey |
| 74 | Morris Gelber | 45 | Head | Contract Carpenter | Rumania |
| 75 | Tillie Gelber | 45 | Wife | — | Rumania |
| 76 | Bernard Gelber | 14 | Son | — | New York |
| 77 | Hilda Gelber | 11 | Daughter | — | New Jersey |
| 78 | Joseph Rosenberg | 53 | Head | Paperhanger | Russia |
| 79 | Bertha Rosenberg | 44 | Wife | Insurance Agent | Russia |
| 80 | Doris Rosenberg | 19 | Daughter | — | New Jersey |
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)