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Sarah Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Sarah Martin across the 1910, 1920, 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Female
Head
Born: New York
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Martin |
| Given Name | Sarah |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Passaic City |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Passaic City |
| Est. Birth Year | ~1884 |
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 Sarah | Age | Birth yr |
|---|---|---|---|---|
| Alberta Martin | Daughter | — | 31 | ~1909 |
| Sarah Martin | Head | — | 56 | ~1884 |
| M Martin | Son | — | 28 | ~1912 |
Census Appearances
1910
Passaic, New …
Spouse, age 27
Passaic, New Jersey · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Sarah |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | New York |
| Years Married | 2 |
| Children Born | 1 |
| Children Living | 1 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Passaic, New …
Spouse, age 36
Passaic, New Jersey · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Sarah |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Passaic, New …
Other, age 47
Passaic, New Jersey · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Sarah |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 22 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Carpenter |
| Industry | Building Const |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Passaic-County, New …
Head, age 56
Passaic-County, New Jersey · implied b. ~1884 — 3 household members
| Surname | Martin |
| Given Name | Sarah |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Passaic City |
| 1935 Residence (County) | Passaic |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Sarah Martin 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
Sarah Martin
Head · 1940 · age 56 · b. ~1884 · 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-t0627-02378-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Jr. Petrunka | 3 | Son | — | New Jersey |
| 42 | Walter Kasica | 22 | Head | Abrasive Laborer | New Jersey |
| 43 | Anna Kasica | 22 | Wife | — | New Jersey |
| 44 | Alexander Kostus | 44 | Head | Machinist | New Jersey |
| 45 | Eleanor Kostus | 38 | Wife | Winder | New Jersey |
| 46 | Jerome Kostus | 17 | Son | — | New Jersey |
| 47 | Frederic Robinson | 52 | Head | Sample Maker | Canada French |
| 48 | Margaret Robinson | 50 | Wife | — | Scotland |
| 49 | John O'Brien | 41 | Head | Fireman | New Jersey |
| 50 | Elizabeth O'Brien | 39 | Wife | — | New York |
| 51 | Shirley E. O'Brien | 19 | Daughter | Waitress | New Jersey |
| 52 | Harriet O'Brien | 15 | Daughter | — | New Jersey |
| 53 | John O'Brien | 14 | Son | — | New Jersey |
| 54 | Joyce O'Brien | 6 | Daughter | — | New Jersey |
| 55 | Kathleen O'Brien | 4 | Daughter | — | New Jersey |
| 56 | William O'Brien | 2 | Son | — | New Jersey |
| 57 | Mary Ackerman | 46 | Head | — | Michigan |
| 58 | Edward Ackerman | 24 | Son | Weaver | New Jersey |
| 59 | William Domal | 43 | Head | Radio Engineer | Germany |
| 60 | Theresa Domal | 40 | Wife | — | Germany |
| 61 | Walter Domal | 20 | Son | Craftsman | Germany |
| 62 | Sarah Martin THIS PERSON | 56 | Head | — | New York |
| 63 | Alberta M. Martin | 31 | Daughter | Secretary | New Jersey |
| 64 | M. Donner Martin | 28 | Son | Mechanic | New Jersey |
| 65 | Henry C. Whitehead | 63 | Head | Lawyer | New Jersey |
| 66 | Caroline S. Whitehead | 63 | Wife | — | Massachusetts |
| 67 | Catherine Whitehead | 30 | Daughter | School Teacher | New Jersey |
| 68 | Barbara Whitehead | 25 | Daughter | New Worker | New Jersey |
| 69 | Benjamin R. Elk | 65 | Head | Mfg. Chemist | New York |
| 70 | Janet Elk | 32 | Wife | — | Maryland |
| 71 | Francis Elk | 8 | Daughter | — | New Jersey |
| 72 | Seymour Elk | 2 | Son | — | New Jersey |
| 73 | Samuel Elk | 70 | Father | Druggist | Poland |
| 74 | Elizabeth Stefanowski | 18 | Maid | Maid | Pennsylvania |
| 75 | Joseph P. Betz | 44 | Head | Lawyer | New York |
| 76 | Eva K. Betz | 43 | Wife | — | Massachusetts |
| 77 | Joseph P. Jr. Betz | 15 | Son | — | New Jersey |
| 78 | John Jensen | 70 | Head | Mechanic | Norway |
| 79 | Christine Jensen | 70 | Wife | — | Sweden |
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)