WS
William Schwartz — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Schwartz across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Bernard & Mary — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Schwartz |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Accountant |
| Industry | State House |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 3000 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Accountant |
| Township / Ward | Boston City |
| Est. Birth Year | ~1906 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| James Schwartz | Son | — | 2 | ~1938 |
| William Schwartz | Head | — | 34 | ~1906 |
| Rebecca Schwartz | Spouse | — | 34 | ~1906 |
| Barnet Schwartz | Son | — | 11 | ~1929 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 17
Suffolk, Massachusetts · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Russia |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Mechanic |
| Industry | Automobiles |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Jewish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Suffolk, Massachusetts
Other, age 25
Suffolk, Massachusetts · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | SCHWARTZ |
| Given Name | William |
| Relationship to Head | son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 22 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | accountant |
| Industry | Dept. of Mass. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Suffolk-County, Massachusetts
Head, age 34
Suffolk-County, Massachusetts · implied b. ~1906 — 4 household members
| Surname | Schwartz |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | Accountant |
| Industry | State House |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 3000 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 William Schwartz across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bernard Schwartz (~0.92 confidence) and mother Mary Schwartz (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bernard Schwartz
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Schwartz
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Schwartz
Head · 1940 · age 34 · b. ~1906 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01681-00764)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hyman Krigman | 32 | Head | Salesman | Massachusetts |
| 2 | Ida Krigman | 27 | Wife | — | Massachusetts |
| 3 | Allen Krigman | 1 | Son | — | Massachusetts |
| 4 | Louis Swartz | 39 | Head | Salesman | Massachusetts |
| 5 | Isabell Swartz | 36 | Wife | — | Massachusetts |
| 6 | Hester Swartz | 4 | Son | — | Massachusetts |
| 7 | Harry H. Goldman | 49 | Head | Salesman | Massachusetts |
| 8 | Bessie A. Goldman | 43 | Wife | — | Massachusetts |
| 9 | Vera M. Goldman | 6 | Daughter | — | Massachusetts |
| 10 | Joseph H. Kerin | 47 | Head | Salesman | Massachusetts |
| 11 | Anna Kerin | 46 | Wife | — | Russia |
| 12 | Ethel Kerin | 21 | Daughter | Typist | Massachusetts |
| 13 | William K. Kerin | 14 | Son | — | Massachusetts |
| 14 | Betty Moulin | 35 | Sister in law | Cashier | Massachusetts |
| 15 | James Wolf | 32 | Head | Civil Engineer | Ohio |
| 16 | Emma Wolf | 35 | Wife | — | Maine |
| 17 | June Wolf | 10 | Daughter | — | Massachusetts |
| 18 | Robert Wolf | 7 | Son | — | Massachusetts |
| 19 | William Schwartz THIS PERSON | 34 | Head | Accountant | Russia |
| 20 | Rebecca Schwartz | 34 | Wife | — | Massachusetts |
| 21 | Barnet Schwartz | 11 | Son | — | Massachusetts |
| 22 | James Schwartz | 2 | Son | — | Massachusetts |
| 23 | David Goldstein | 30 | Head | Manager | Connecticut |
| 24 | Frances Goldstein | 27 | Wife | — | Pennsylvania |
| 25 | Esther Goldstein | 3 | Daughter | — | West Virginia |
| 26 | Paul Rivers | 26 | Head | Manager | Massachusetts |
| 27 | Frances Rivers | 23 | Wife | — | Pennsylvania |
| 28 | Judith Rivers | 0 | Daughter | — | Massachusetts |
| 29 | Harry Rose | 43 | Head | Tailor | Massachusetts |
| 30 | Gertrude Rose | 41 | Wife | — | Russia |
| 31 | Janet Rose | 12 | Daughter | — | Colorado |
| 32 | Tina Bitman | 35 | Sister in law | Bookkeeper | Russia |
| 33 | Rose Bitman | 41 | Sister in law | Saleslady | Russia |
| 34 | Morris Heitlich | 31 | Head | Manager | Massachusetts |
| 35 | Ethel Heitlich | 31 | Wife | — | Massachusetts |
| 36 | Donald Heitlich | 2 | Son | — | Massachusetts |
| 37 | Virgil Iantasca | 40 | Head | Proprietor | Massachusetts |
| 38 | Florence Iantasca | 30 | Wife | — | Massachusetts |
| 39 | Virgil Jr. Iantasca | 10 | Son | Mechanic-Helper | Massachusetts |
| 40 | Mildred Iantasca | 4 | Daughter | — | Massachusetts |
Pedigree Summary
William
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)