MS
Mary Sanders — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Mary Sanders across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 6-person household.
Age 39
b. ~1901
Female
Spouse
Born: Greece
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Sanders |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Greece |
| 1935 Residence (City) | City of Trenton |
| 1935 Residence (County) | Mercer |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
| Township / Ward | City Of Trenton |
| Est. Birth Year | ~1901 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marie Sanders | Daughter | — | 13 | ~1927 |
| Nicholas Sanders | Head | — | 44 | ~1896 |
| Mary Sanders | Other | — | 65 | ~1875 |
| William Sanders | Son | — | 4 | ~1936 |
| Sidney Sanders | Son | — | 17 | ~1923 |
| Mary Sanders | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Mercer, New …
Spouse, age 16
Mercer, New Jersey · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sanders |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Married |
| Birthplace | Greece |
| Year of Immigration | 1916 |
| Naturalization Status | Alien |
| Father's Birthplace | Greece |
| Mother's Birthplace | Greece |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Greek |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
1930
Mercer, New …
Other, age 27
Mercer, New Jersey · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sanders |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Greece |
| Naturalization Status | Alien |
| Year of Immigration | 1915 |
| Age at First Marriage | 16 |
| Father's Birthplace | Greece |
| Mother's Birthplace | Greece |
| Can Read/Write | Yes |
| Mother Tongue | Greek |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
1940
Mercer-County, New …
Spouse, age 39
Mercer-County, New Jersey · implied b. ~1901 — 6 household members
| Surname | Sanders |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Greece |
| 1935 Residence (City) | City of Trenton |
| 1935 Residence (County) | Mercer |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
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 Sanders across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Sanders
Spouse · 1940 · age 39 · b. ~1901 · 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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02436-00270)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Caliope Thrappas | 22 | Wife | — | Greece |
| 42 | Ethel Thrappas | 3 | Daughter | — | Penna |
| 43 | Sophie Thrappas | 2 | Daughter | — | New Jersey |
| 44 | Christos Thrappas | 39 | Brother | Chef | Greece |
| 45 | John Manion | 45 | Lodger | Caretaker | New Jersey |
| 46 | James Veres | 57 | Lodger | Butcher | Hungary |
| 47 | Veres | 20 | Lodger | Salesman | New Jersey |
| 48 | Harry Donlon | 41 | Lodger | Wrapper | New Jersey |
| 49 | Adolph Kasser | 61 | Head | Proprietor | Hungary |
| 50 | Rose Kasser | 51 | Wife | — | Hungary |
| 51 | Sidney Kasser | 21 | Son | Clerk | Penna |
| 52 | Frances Kasser | 18 | Daughter | — | New Jersey |
| 53 | Thomas Salvante | 45 | Head | Shoemaker | Italy |
| 54 | Rose Salvante | 39 | Wife | — | New York |
| 55 | Rosella Salvante | 16 | Daughter | — | New Jersey |
| 56 | George Varga | 45 | Head | Druggist | Hungary |
| 57 | Marie Varga | 30 | Wife | — | Hungary |
| 58 | George Varga | 11 | Son | — | New Jersey |
| 59 | C. Francis Varga | 10 | Son | — | Slovakia |
| 60 | Nicholas Varga | 7 | Son | — | New Jersey |
| 61 | Nicholas Sanders | 44 | Head | Proprietor | Greece |
| 62 | Mary Sanders THIS PERSON | 39 | Wife | — | Greece |
| 63 | Sidney Sanders | 17 | Son | — | New Jersey |
| 64 | Marie Sanders | 13 | Daughter | — | New Jersey |
| 65 | William Sanders | 4 | Son | — | New Jersey |
| 66 | Mary Sanders | 65 | Mother | — | Greece |
| 67 | Daniel Manukus | 35 | Head | Proprietor | Greece |
| 68 | Ethel Manukus | 25 | Wife | — | Greece |
| 70 | James Veisz | 33 | Head | Mechanic | Penna |
| 71 | Elizabeth Veisz | 38 | Wife | Bunch Maker | Hungary |
| 72 | Stephen Jankowitz | 26 | Head | Presser | New Jersey |
| 73 | Alfreda Jankowitz | 22 | Wife | Cigar Maker | New Jersey |
| 74 | Robert Jankowitz | 7 | Son | — | New Jersey |
| 75 | Joseph Carver | 46 | Head | Handicraft Worker | New Jersey |
| 76 | Katherine Carver | 46 | Wife | — | Pennsylvania |
| 77 | Louis Sirsay | 51 | Head | Barber | Hungary |
| 78 | Susan Sirsay | 39 | Wife | Hairdresser | Hungary |
| 79 | Olga Sirsay | 16 | Daughter | — | New Jersey |
| 80 | Leigh Frizzell | 45 | Head | Haberdasher | 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)