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Mary Boyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Mary Boyer across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 5-person household.
Age 49
b. ~1891
Female
Head
Born: Lithuania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Lithuania |
| 1935 Residence (City) | Worcester |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
| Township / Ward | Worcester |
| Est. Birth Year | ~1891 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marcia Boyer | Daughter | — | 26 | ~1914 |
| Sarah Boyer | Daughter | — | 18 | ~1922 |
| Wilfred Boyer | Son | — | 7 | ~1933 |
| Israel Boyer | Spouse | — | 50 | ~1890 |
| Mary Boyer | Head | — | 49 | ~1891 |
Census Appearances
1920
Suffolk, Massachusetts
Spouse, age 27
Suffolk, Massachusetts · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Year of Immigration | 1908 |
| Naturalization Status | Alien |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1930
Worcester, Massachusetts
Spouse, age 38
Worcester, Massachusetts · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Naturalization Status | Alien |
| Year of Immigration | 1917 |
| Age at First Marriage | 18 |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Jewish |
| Veteran | No |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1940
Worcester-County, Massachusetts
Head, age 49
Worcester-County, Massachusetts · implied b. ~1891 — 5 household members
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Lithuania |
| 1935 Residence (City) | Worcester |
| 1935 Residence (County) | Worcester |
| Naturalization Status | Naturalized |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
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 Boyer across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Boyer
Head · 1940 · age 49 · b. ~1891 · 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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01715-00730)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Parella | 32 | Husband | Tilesetter | Massachusetts |
| 42 | Joseph Jr. Parella | 4 | Son | — | — |
| 43 | Beverly Ann Parella | 2 | Daughter | — | — |
| 44 | Leona Duquette | 36 | Head | — | Massachusetts |
| 45 | George Duquette | 35 | Husband | Printer | Massachusetts |
| 46 | George Jr. Duquette | 15 | Son | Paper Carrier | Massachusetts |
| 47 | Lorraine Duquette | 14 | Daughter | — | Massachusetts |
| 48 | Eugene Duquette | 12 | Son | — | Massachusetts |
| 49 | Paul Duquette | 10 | Son | — | Massachusetts |
| 50 | Margaret Duquette | 65 | Grandmother | — | Canada |
| 51 | Eva Duquette | 37 | Daughter | Milliner | Massachusetts |
| 52 | Anna Duquette | 39 | Daughter | Saleswoman | Massachusetts |
| 53 | Martha Kawcat | 49 | Head | — | Syria |
| 54 | Mitchell Kawcat | 25 | Son | Timekeeper | Massachusetts |
| 55 | Eva Kawcat | 20 | Daughter | Egg Beater | Massachusetts |
| 56 | Ann Kawcat | 18 | Daughter | Learner | Massachusetts |
| 57 | Mary Kawcat | 23 | Daughter | — | Massachusetts |
| 58 | Elizabeth Kawcat | 25 | Daughter | — | Massachusetts |
| 59 | Peter Morozalek | 27 | Son-in-law | Window Washer | Massachusetts |
| 60 | Margaret Morozalek | 27 | Wife | — | Massachusetts |
| 61 | Peter M. Morozalek | 1 | Son | — | — |
| 62 | Agnes Foley | 43 | Head | — | Massachusetts |
| 63 | James Foley | 43 | Husband | Baggageman | Massachusetts |
| 64 | Mary Foley | 13 | Daughter | — | Massachusetts |
| 65 | Dorothy Foley | 12 | Daughter | — | Massachusetts |
| 66 | Donald Foley | 11 | Son | — | Massachusetts |
| 67 | Clara Libman | 40 | Head | — | Massachusetts |
| 68 | Harry Libman | 39 | Husband | Shoecutter | Russia |
| 69 | Sara Libman | 15 | Daughter | — | Massachusetts |
| 70 | Herman Libman | 10 | Son | — | Massachusetts |
| 71 | Mary Boyer THIS PERSON | 49 | Head | — | Lithuania |
| 72 | Israel Boyer | 50 | Husband | Barrelmaker | Lithuania |
| 73 | Marcia Boyer | 26 | Daughter | Secretary | Lithuania |
| 74 | Sarah Boyer | 18 | Daughter | — | Massachusetts |
| 75 | Wilfred Boyer | 7 | Son | — | Massachusetts |
| 76 | Lillian Lanquin | 30 | Head | — | Massachusetts |
| 77 | Dona Lanquin | 36 | Husband | Leatherworker | Massachusetts |
| 78 | Claire Lanquin | 3 | Daughter | — | — |
| 79 | Ellen Gordon | 76 | Head | — | Massachusetts |
| 80 | William Gordon | 75 | Husband | School Teacher | Massachusetts |
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)