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Mary Hammond — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Mary Hammond across the 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 13-person household.
Age 57
b. ~1883
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Hammond |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Antis Twp |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Antis Twp |
| Est. Birth Year | ~1883 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lorraine Hammond | Daughter | — | 16 | ~1924 |
| Mildred Gibbons | Daughter | — | 35 | ~1905 |
| Eleanor Hammond | Daughter | — | 19 | ~1921 |
| Peter Hammond | Head | — | 60 | ~1880 |
| Pauline Gibbons | Other | — | 9 | ~1931 |
| Isabell Gibbons | Other | — | 11 | ~1929 |
| Janet Gibbons | Other | — | 7 | ~1933 |
| Edward Hammond | Son | — | 32 | ~1908 |
| Wilfred Hammond | Son | — | 22 | ~1918 |
| Lewis Hammond | Son | — | 21 | ~1919 |
| Leroy Hammond | Son | — | 27 | ~1913 |
| Earl Hammond | Son | — | 30 | ~1910 |
| Mary Hammond | Spouse | — | 57 | ~1883 |
Census Appearances
1930
Blair, Pennsylvania
Other, age 48
Blair, Pennsylvania · implied b. ~1882 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Spouse, age 57
Blair-County, Pennsylvania · implied b. ~1883 — 13 household members
| Surname | Hammond |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Antis Twp |
| 1935 Residence (County) | Blair |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Hammond across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hammond
Spouse · 1940 · age 57 · b. ~1883 · Pennsylvania
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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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03440-00203)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | W. Eugene Evans | 20 | Son | Clerk | Pennsylvania |
| 42 | Vernon J. Evans | 7 | Son | — | Pennsylvania |
| 43 | Barbara L. Evans | 5 | Daughter | — | Pennsylvania |
| 44 | John Bernard Focht | 30 | Head | Carpenter | Pennsylvania |
| 45 | Gertrude L. Focht | 25 | Wife | — | Pennsylvania |
| 46 | Betty A. Focht | 4 | Daughter | — | Pennsylvania |
| 47 | Beverly J. Focht | 1 | Daughter | — | Pennsylvania |
| 48 | Peter C. Hammond | 60 | Head | Farmer | Pennsylvania |
| 49 | Mary R. Hammond THIS PERSON | 57 | Wife | — | Pennsylvania |
| 50 | Edward J. Hammond | 32 | Son | — | Pennsylvania |
| 51 | Earl Hammond | 30 | Son | Laborer | Pennsylvania |
| 52 | Leroy C. Hammond | 27 | Son | Laborer | Pennsylvania |
| 53 | Wilfred Hammond | 22 | Son | Laborer | Pennsylvania |
| 54 | Lewis Hammond | 21 | Son | — | Pennsylvania |
| 55 | Eleanor Hammond | 19 | Daughter | — | Pennsylvania |
| 56 | Lorraine Hammond | 16 | Daughter | — | Pennsylvania |
| 57 | Mildred Gibbons | 35 | Daughter | — | Pennsylvania |
| 58 | Isabell B. Gibbons | 11 | Granddaughter | — | Pennsylvania |
| 59 | Pauline Gibbons | 9 | Granddaughter | — | Pennsylvania |
| 60 | Janet Gibbons | 7 | Granddaughter | — | Pennsylvania |
| 61 | Russell M. Glass | 32 | Head | Minister | Pennsylvania |
| 62 | Isabell B. Glass | 27 | Wife | — | Pennsylvania |
| 63 | Russell C. Glass | 4 | Son | — | Pennsylvania |
| 64 | Richard Glass | 3 | Son | — | Pennsylvania |
| 65 | Albert H. Focht | 36 | Head | Calendar Man | Pennsylvania |
| 66 | Eunice B. Focht | 33 | Wife | — | Pennsylvania |
| 67 | Anna May Focht | 14 | Daughter | — | Pennsylvania |
| 68 | Charles Focht | 11 | Son | — | Pennsylvania |
| 69 | Alice Focht | 10 | Daughter | — | Pennsylvania |
| 70 | Donna V. Focht | 7 | Daughter | — | Pennsylvania |
| 71 | Mary N. Focht | 5 | Daughter | — | Pennsylvania |
| 72 | Marylou L. Focht | 3 | Daughter | — | Pennsylvania |
| 73 | Jacob H. Fross | 41 | Head | Laborer | Pennsylvania |
| 74 | Mabel O. Fross | 38 | Wife | — | Pennsylvania |
| 75 | Helen E. Fross | 16 | Daughter | — | Pennsylvania |
| 76 | Shirley Fross | 13 | Daughter | — | Pennsylvania |
| 77 | Joanne Fross | 9 | Daughter | — | Pennsylvania |
| 78 | Lois Fross | 5 | Daughter | — | Pennsylvania |
| 79 | Jacob H. Jr. Fross | 4 | Son | — | Pennsylvania |
| 80 | Jacob Fross | 76 | Father | — | Pennsylvania |
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)