MS
Mary Schwartz — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Bronx, New York
Our Model Tree links this Mary Schwartz across the 1920, 1930 and 1940 US Censuses in Bronx, New York (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 4-person household.
Age 19
b. ~1901
Female
Spouse
Born: Russia
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Bronx, New York |
| Surname | Schwartz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1911 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Occupation | Housewife |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Russian |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Housewife |
| Township / Ward | New York City Bronx Boro |
| 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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dora Bamberg | Other | — | 27 | ~1893 |
| Sol Schwartz | Son | — | 1 | ~1919 |
| David Schwartz | Head | — | 26 | ~1894 |
| Mary Schwartz | Spouse | — | 19 | ~1901 |
Census Appearances
1920
Bronx, New …
Spouse, age 19
Bronx, New York · implied b. ~1901 — 4 household members
| Surname | Schwartz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1911 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Housewife |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Russian |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Bronx, New …
Spouse, age 30
Bronx, New York · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | Molly |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 19 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | Jewish |
| Veteran | No |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Kings-County, New …
Spouse, age 40
Kings-County, New York · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | Molly |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 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 Mary Schwartz 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 Schwartz
Spouse · 1920 · age 19 · b. ~1901 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Bronx, New York
Open full size
1920 US Federal Census — Bronx, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1140unit:0773)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Benjamin Libowitz | 36 | Head | Clerk | Russia |
| 52 | Yetta Libowitz | 33 | Wife | — | Russia |
| 53 | Edith Libowitz | 11 | Daughter | School | New York |
| 54 | Rose Libowitz | 7 | Daughter | School | New York |
| 55 | Samuel Rotenberg | 58 | Head | None | Russia |
| 56 | Frieda Rotenberg | 48 | Wife | — | Russia |
| 57 | Harry Rotenberg | 26 | Son | Salesman | Russia |
| 58 | Sol Rotenberg | 25 | Son | Hat | Russia |
| 59 | Ida Rotenberg | 23 | Daughter | Dresses | Russia |
| 60 | Emma Rotenberg | 22 | Daughter | Dresses | Russia |
| 61 | Bessie Rotenberg | 20 | Daughter | Bookkeeper | Russia |
| 62 | Charles Dorman | 44 | Head | Salesman | Germany |
| 63 | Lena Dorman | 40 | Wife | — | Germany |
| 64 | Julius James | 54 | Head | Press | Austria |
| 65 | Leah James | 52 | Wife | Housewife | Austria |
| 66 | Murray James | 24 | Son | Lawyer | Austria |
| 67 | Graham James | 20 | Son | Salesman | New York |
| 68 | William Roth | 26 | Head | Civil Engineer | New York |
| 69 | Edna Roth | 25 | Wife | — | Austria |
| 70 | Helen Roth | 1 | Daughter | — | New York |
| 71 | David Schwartz | 26 | Head | Millinery | Russia |
| 72 | Mary Schwartz THIS PERSON | 19 | Wife | Housewife | Russia |
| 73 | Sol Schwartz | 1 | Son | — | New York |
| 74 | Dora Bamberg | 27 | Boarder | Millinery | Russia |
| 75 | Herman Leffler | 31 | Head | Manager | New York |
| 76 | Leah Leffler | 31 | Wife | Housewife | Russia |
| 77 | Edith Leffler | 7 | Daughter | School | New York |
| 78 | Rhoda Leffler | 3 | Daughter | — | New York |
| 79 | Morris Klee | 31 | Head | Necktie Maker | Russia |
| 80 | Sarah Klee | 30 | Wife | Housewife | Russia |
| 81 | Ursula Klee | 4 | Son | — | New York |
| 82 | Abraham Brandon | 27 | Head | Furniture Dept | New York |
| 83 | Doris Brandon | 25 | Wife | Housewife | New York |
| 84 | Florence Brandon | 2 | Daughter | — | New York |
| 85 | George Genkin | 45 | Head | Musician | Russia |
| 86 | Annie Genkin | 18 | Daughter | Housewife | New York |
| 87 | Isidore Pollack | 32 | Head | Tailor | Russia |
| 88 | Julia Pollack | 30 | Wife | Housewife | Russia |
| 89 | Elinore Pollack | 3 | Daughter | — | New York |
| 90 | Leo Koping | 33 | Head | Butcher | Austria |
| 91 | Marie Koping | 25 | Wife | None | Austria |
| 92 | Leo Koping | 2 | Son | — | New York |
| 93 | Patrick Clark | 59 | Head | Porter | Ireland |
| 94 | Nellie Clark | 53 | Wife | Housewife | Ireland |
| 95 | Kathryn Clark | 24 | Daughter | P.O. Clerk | New York |
| 96 | Honora Clark | 21 | Daughter | P.O. Clerk | New York |
| 97 | Patrick Clark | 18 | Son | Fruit House | New York |
| 98 | Florence Clark | 15 | Son | School | New York |
| 99 | Bernard Clark | 13 | Son | School | New York |
| 100 | Raymond Clark | 11 | Son | School | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)