MS
Mary Snider — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this Mary Snider across the 1920, 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 3-person household.
Age 58
b. ~1882
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | Snider |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Rochester |
| Est. Birth Year | ~1882 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Louis Snider | Head | — | 56 | ~1884 |
| Max Snider | Son | — | 31 | ~1909 |
| Mary Snider | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Monroe, New …
Spouse, age 35
Monroe, New York · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snider |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1904 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Monroe, New …
Spouse, age 49
Monroe, New York · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snider |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1899 |
| Age at First Marriage | 21 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Monroe-County, New …
Spouse, age 58
Monroe-County, New York · implied b. ~1882 — 3 household members
| Surname | Snider |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Monroe |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 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 Mary Snider 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 Snider
Spouse · 1940 · age 58 · b. ~1882 · New York
★ 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 — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02843-00340)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Philip Lambert | 5 | Son | — | New York |
| 42 | Louis Digennio | 52 | Head | Cook | Italy |
| 43 | Mary Digennio | 50 | Wife | — | Italy |
| 44 | Alex Gwardowski | 54 | Head | Iron Worker | Russia |
| 45 | Anna Gwardowski | 50 | Wife | — | Austria |
| 46 | Alex Jr Gwardowski | 21 | Son | — | New York |
| 47 | Sophie Gwardowski | 19 | Daughter | Clerk | New York |
| 48 | Basil Kassl | 50 | Head | Labor | Austria |
| 49 | Mary Kassl | 46 | Wife | — | Austria |
| 50 | John Kassl | 25 | Son | Salesman | New York |
| 51 | Gabriel Calderon | 49 | Head | Tailor | Turkey |
| 52 | Senora Calderon | 50 | Wife | — | Turkey |
| 53 | Harry Calderon | 24 | Son | Tailor | New York |
| 54 | Hyman Calderon | 23 | Son | Clerk | New York |
| 55 | Sarah Calderon | 23 | Daughter | Tailor | New York |
| 56 | Lena Calderon | 20 | Daughter | New Worker | New York |
| 57 | Samuel Calderon | 12 | Son | — | New York |
| 58 | Richard D Doyle | 24 | Head | Labor | New York |
| 59 | Mark Fred Doyle | 53 | Lodger | Labor | New York |
| 60 | Ins Doyle | 55 | Mother | — | New York |
| 61 | James Doyle | 26 | Brother | Labor | New York |
| 62 | Louis Snider | 56 | Head | Clerk | Russia |
| 63 | Mary Snider THIS PERSON | 58 | Wife | — | Russia |
| 64 | Max Snider | 31 | Son | Lawyer | New York |
| 65 | Tom Q Doyle | 28 | Head | Labor | New York |
| 66 | Clara Doyle | 25 | Wife | — | New York |
| 67 | Joan Doyle | 5 | Daughter | — | New York |
| 68 | Jane Doyle | 4 | Daughter | — | New York |
| 69 | Betty Doyle | 3 | Daughter | — | New York |
| 70 | John Coules | 52 | Head | Labor | Canada |
| 71 | Mary Coules | 26 | Wife | — | New York |
| 72 | John Jr. Coules | 7 | Son | — | New York |
| 73 | Mary Coules | 4 | Daughter | — | New York |
| 74 | Dolores Coules | 2 | Daughter | — | New York |
| 75 | John Allen | 20 | Brother | Labor | New York |
| 76 | Antony Levindowski | 36 | Head | Labor | New York |
| 77 | Emma Levindowski | 24 | Wife | — | New York |
| 78 | Margaret Levindowski | 7 | Daughter | — | New York |
| 79 | Mary Levindowski | 5 | Daughter | — | New York |
| 80 | Raymond Levindowski | 0 | Son | — | New York |
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)