MF
Mary Foster — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Foster across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 4-person household.
Age 64
b. ~1876
Female
Spouse
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Foster |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Beverly City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Beverly City |
| Est. Birth Year | ~1876 |
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 |
|---|---|---|---|---|
| Marion Foster | Daughter | — | 43 | ~1897 |
| Alma Foster | Daughter | — | 37 | ~1903 |
| Robert Foster | Head | — | 70 | ~1870 |
| Mary Foster | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Essex, Massachusetts
Spouse, age 44
Essex, Massachusetts · implied b. ~1876 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary F |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Essex, Massachusetts
Other, age 57
Essex, Massachusetts · implied b. ~1873 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Mary F |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 21 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Essex-County, Massachusetts
Spouse, age 64
Essex-County, Massachusetts · implied b. ~1876 — 4 household members
| Surname | Foster |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Beverly City |
| 1935 Residence (County) | Essex |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Foster 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 Foster
Spouse · 1940 · age 64 · b. ~1876 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01578-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys M. Cross | 32 | Daughter | Stenographer | England |
| 42 | Frederick J. Cross | 21 | Son | Accountant | Massachusetts |
| 43 | Robert W. Cross | 18 | Son | Office Boy | Massachusetts |
| 44 | Margaret Linehan | 58 | Head | — | Massachusetts |
| 45 | Michael Linehan | 61 | Brother | Waiter | Massachusetts |
| 46 | James J. Linehan | 52 | Brother | Machinist | Massachusetts |
| 47 | Ellen M. Kelleher | 46 | Sister | — | Massachusetts |
| 48 | Philip J. Kelleher | 15 | Nephew | — | Massachusetts |
| 49 | Francis L. Kelleher | 4 | Nephew | — | Delaware |
| 50 | Helen D. Johnson | 57 | Head | Stenographer | Massachusetts |
| 51 | Anna G. Johnson | 50 | Sister | Teacher | Massachusetts |
| 52 | Edith Foster | 57 | Wife | — | Vermont |
| 53 | Robert S. Foster | 70 | Head | Owner Carpenter | Massachusetts |
| 54 | Mary F. Foster THIS PERSON | 64 | Wife | — | Maine |
| 55 | Marion W. Foster | 43 | Daughter | Instructor | Massachusetts |
| 56 | Alma Foster | 37 | Daughter | Assistant Treasurer | Massachusetts |
| 57 | Bryce Glover | 46 | Head | Chauffeur | Massachusetts |
| 58 | Eleanor Glover | 37 | Wife | — | Massachusetts |
| 59 | Bryce Jr. Glover | 16 | Son | — | Massachusetts |
| 60 | Ruth Glover | 13 | Daughter | — | Massachusetts |
| 61 | Amelia E. Standley | 87 | Head | — | Massachusetts |
| 62 | Bertha S. Standley | 68 | Daughter | — | Massachusetts |
| 63 | Annie E. Standley | 47 | Daughter | Bookkeeper | Massachusetts |
| 64 | Ralph Stone | 34 | Head | Laborer | Massachusetts |
| 65 | Beatrice Stone | 31 | Wife | — | Massachusetts |
| 66 | Sylvia Stone | 4 | Daughter | — | Massachusetts |
| 67 | Harry P. King | 48 | Head | Photo Engraver | Massachusetts |
| 68 | Ellen King | 46 | Wife | — | Massachusetts |
| 69 | Robert King | 24 | Son | Photo Engraver | Massachusetts |
| 70 | Calvin King | 21 | Son | Photo Engraver | Massachusetts |
| 71 | Henry Cabot Lodge | 37 | Head | U.S. Senator | Massachusetts |
| 72 | Emily Sears Lodge | 34 | Wife | — | Massachusetts |
| 73 | George Cabot Lodge | 12 | Son | — | Massachusetts |
| 74 | Henry Sears Lodge | 9 | Son | — | Massachusetts |
| 75 | Sarah C. Torpey | 30 | Servant | Maid | Massachusetts |
| 76 | Michael F. Elyon | 29 | Servant | Butler | Irish Free State |
| 77 | Ellen G. Mckenna | 55 | Servant | Maid | Irish Free State |
| 78 | Alice Callahan | 29 | Servant | Maid | Irish Free State |
| 79 | Catherine Mckillop | 58 | Servant | Housework | Canada English |
| 80 | Joseph Nataloni | 49 | Head | Chauffeur | Italy |
Related Census Records
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)