MC
Mary Chase — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Chase across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Chase |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Boston |
| Est. Birth Year | ~1890 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Stone | Son | — | 22 | ~1918 |
| Max Stone | Other | — | 55 | ~1885 |
| Mary Chase | Spouse | — | 50 | ~1890 |
| Louis Chase | Head | — | 53 | ~1887 |
Census Appearances
1920
Suffolk, Massachusetts
Spouse, age 27
Suffolk, Massachusetts · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1908 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Year of Naturalization | 1913 |
| Birthplace (normalized) | russia |
1930
Suffolk, Massachusetts
Spouse, age 40
Suffolk, Massachusetts · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 18 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Suffolk-County, Massachusetts
Spouse, age 50
Suffolk-County, Massachusetts · implied b. ~1890 — 4 household members
| Surname | Chase |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 Chase 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 Chase
Spouse · 1940 · age 50 · b. ~1890 · Massachusetts
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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 — 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-t0627-01673-00399)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances Cowan | 15 | Lodger | — | Massachusetts |
| 42 | Helen Lande | 34 | Head | — | Russia |
| 43 | Morris Lande | 12 | Daughter | — | Massachusetts |
| 44 | Charles Lande | 10 | Son | — | Massachusetts |
| 45 | Israel Ginsberg | 31 | Head | Automobile | Massachusetts |
| 46 | Elsie Ginsberg | 32 | Wife | — | Massachusetts |
| 47 | Libby Ginsberg | 5 | Daughter | — | Massachusetts |
| 48 | Edward Ginsberg | 2 | Son | — | Massachusetts |
| 49 | David Fieman | 62 | Head | Meat Cutter | Russia |
| 50 | Celia Fieman | 62 | Wife | — | Russia |
| 51 | Isaac Fieman | 31 | Son | Meat Cutter | Massachusetts |
| 52 | Molly Fieman | 30 | Daughter | Salesgirl | Massachusetts |
| 53 | Max Greenspoon | 49 | Head | Designer | Romania |
| 54 | Etta Greenspoon | 49 | Wife | — | Lithuania |
| 55 | Ruth Greenspoon | 18 | Daughter | — | Massachusetts |
| 56 | Ida Seaber | 28 | Daughter | — | Massachusetts |
| 57 | Henry Seaber | 33 | Son | Sprayer | Massachusetts |
| 58 | Richard Seaber | 1 | Grandson | — | Massachusetts |
| 59 | Benjamin Kaplan | 68 | Head | Presser | Russia |
| 60 | Anna Kaplan | 63 | Wife | — | Russia |
| 61 | Frances Kaplan | 26 | Daughter | Bookkeeper | Russia |
| 62 | Harry Kaplan | 44 | Son | Ladies Tailor | Russia |
| 63 | Sydney Kaplan | 16 | Grandson | — | Massachusetts |
| 64 | David Rabinovitz | 50 | Head | Carpenter | Russia |
| 65 | Emma Rabinovitz | 48 | Wife | — | Russia |
| 66 | Robert Rabinovitz | 22 | Son | Sign Painter | Massachusetts |
| 67 | Melvin Rabinovitz | 21 | Son | Salesman | Massachusetts |
| 68 | Paul Rabinovitz | 13 | Son | — | Massachusetts |
| 69 | Samuel Bushloff | 45 | Head | Cap Maker | Russia |
| 70 | Ida Bushloff | 44 | Wife | — | Russia |
| 71 | Harry Bushloff | 21 | Son | — | Massachusetts |
| 72 | Frank Bushloff | 19 | Son | — | Massachusetts |
| 73 | Pearl Bushloff | 16 | Daughter | — | Massachusetts |
| 74 | David Bushloff | 14 | Son | — | Massachusetts |
| 75 | Jack Bushloff | 7 | Son | — | Massachusetts |
| 76 | Louis Chase | 53 | Head | Cabinetmaker | Russia |
| 77 | Mary Chase THIS PERSON | 50 | Wife | — | Russia |
| 78 | Joseph Stone | 22 | Son | Drug Clerk | Massachusetts |
| 79 | Max Stone | 55 | Brother-in-law | — | Russia |
| 80 | Samuel Price | 58 | Head | Salesman | Russia |
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)