SS
Sarah Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Sarah Smith across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Charles & Ida — first a daughter (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Smith |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 520 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1912 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Sarah Smith | Daughter | — | 28 | ~1912 |
| Bessie Smith | Daughter | — | 25 | ~1915 |
| Charles Smith | Head | — | 54 | ~1886 |
| Ida Smith | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Mercer, New …
Other, age 9
Mercer, New Jersey · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Sarah |
| Relationship to Head | Grand-daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Other, age 19
Mercer, New Jersey · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Sarah |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Occupation | Inspector |
| Industry | Rubber House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Daughter, age 28
Mercer-County, New Jersey · implied b. ~1912 — 4 household members
| Surname | Smith |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 520 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| 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 Sarah Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Smith (~0.92 confidence) and mother Ida Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Smith
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Ida Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Sarah Smith
Daughter · 1940 · age 28 · b. ~1912 · New Jersey
★ You are viewing this record
Sibling
Bessie Smith
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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02434-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andy Vecsei | 60 | Head | Laborer | Hungary |
| 2 | Elizabeth Vecsei | 53 | Wife | Cigar Maker | Hungary |
| 3 | William Olinsky | 45 | Head | Roofer | Poland |
| 4 | Elsie Olinsky | 44 | Wife | — | Russia |
| 5 | Rosalin Olinsky | 15 | Daughter | — | New Jersey |
| 6 | Minerva Olinsky | 6 | Daughter | — | New Jersey |
| 7 | Jack Bentalsky | 29 | Head | Junking | Latvia |
| 8 | Rose Bentalsky | 26 | Wife | — | Poland |
| 9 | Bruce Bentalsky | 0 | Son | — | New Jersey |
| 10 | Morris Urken | 42 | Head | Salesman | Russia |
| 11 | Harry Urken | 39 | Brother | Salesman | Russia |
| 12 | Sarah Urken | 32 | Sister | — | New Jersey |
| 13 | Charles Smith | 54 | Head | Salesman | Russia |
| 14 | Ida Smith | 51 | Wife | — | Russia |
| 15 | Sarah Smith THIS PERSON | 28 | Daughter | Clerk | New Jersey |
| 16 | Bessie Smith | 25 | Daughter | Clerk | New Jersey |
| 17 | Barney Shapiro | 54 | Head | Junking | Russia |
| 18 | Tallie Shapiro | 52 | Wife | — | Russia |
| 19 | Nathan Shapiro | 32 | Son | Junking | New York |
| 20 | Sally Shapiro | 30 | Son | — | New York |
| 21 | Goldie Shapiro | 27 | Daughter | — | New York |
| 22 | Lottie Shapiro | 25 | Daughter | — | New York |
| 23 | Adolph Garcia | 34 | Head | Laborer | Colorado |
| 24 | Mildred Garcia | 27 | Wife | — | New Jersey |
| 25 | Margaret Garcia | 10 | Daughter | — | New Jersey |
| 26 | Jimmy Cannon | 30 | Head | Plumber'S Helper | New Jersey |
| 27 | Bessie Cannon | 25 | Wife | — | New Jersey |
| 28 | Morris Olinsky | 68 | Head | Clerk | Poland |
| 29 | Annie Olinsky | 65 | Wife | — | Poland |
| 30 | Sylvia Olinsky | 33 | Daughter | Hairdresser | New Jersey |
| 31 | Elizabeth Fritz | 47 | Head | — | Austria |
| 32 | Irving Schwartz | 25 | Son | Sign Painter | Pennsylvania |
| 33 | David Schwartz | 23 | Son | Presser | Pennsylvania |
| 34 | Herman Schwartz | 22 | Son | — | Pennsylvania |
| 35 | Elaine Fritz | 12 | Daughter | — | New York |
| 36 | Hans C. Peterson | 25 | Head | Molder | New Jersey |
| 37 | Dorothy Peterson | 22 | Wife | — | Pennsylvania |
| 38 | Arthur Peterson | 2 | Son | — | New Jersey |
| 39 | Ketta Barker | 45 | Head | Clerk | Russia |
| 40 | Reuben Barker | 46 | Head | Salesman | New Jersey |
Pedigree Summary
Sarah + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)