MH
Mary Hammond — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cambria, Pennsylvania
Our Model Tree links this Mary Hammond across the 1930 and 1940 US Censuses in Cambria, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 11-person household.
Age 41
b. ~1889
Female
Spouse
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cambria, Pennsylvania |
| Surname | Hammond |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Johnstown City |
| Est. Birth Year | ~1889 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Fern Hammond | Daughter | — | 15 | ~1915 |
| Betty Hammond | Daughter | — | 9 | ~1921 |
| Ruth Hammond | Daughter | — | 5 | ~1925 |
| James Hammond | Head | — | 42 | ~1888 |
| Robert Hammond | Son | — | 1 | ~1929 |
| William Hammond | Son | — | 11 | ~1919 |
| Fred Hammond | Son | — | 7 | ~1923 |
| James Hammond | Son | — | 17 | ~1913 |
| Richard Hammond | Son | — | 3 | ~1927 |
| Robert Hammond | Son | — | 13 | ~1917 |
| Mary Hammond | Spouse | — | 41 | ~1889 |
Census Appearances
1930
Cambria, Pennsylvania
Spouse, age 41
Cambria, Pennsylvania · implied b. ~1889 — 11 household members
| Surname | Hammond |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Head, age 51
Cambria-County, Pennsylvania · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Johnstown City |
| 1935 Residence (County) | Cambria |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 · 1930 · age 41 · b. ~1889 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cambria, Pennsylvania
Open full size
1930 US Federal Census — Cambria, Pennsylvania
Page Contents
48 people indexed on this census page (ia:1930:fifteenthcensus00reel2012:0247)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucille Brown | 20 | Head | Servant | Virginia |
| 2 | Sam Enes | 42 | Head | Hodcarrier | Virginia |
| 3 | Mary Enes | 43 | Wife | — | South Carolina |
| 4 | Edith Smith | 41 | Head | Laborer | South Carolina |
| 5 | Mary Smith | 42 | Wife | — | Virginia |
| 6 | John Morgan | 22 | Boarder | Laborer | Georgia |
| 7 | John Stuart | 20 | Boarder | Bricklayer | Mississippi |
| 8 | Irene Mabel | 24 | Head | — | Germany |
| 9 | Gertrude Fultonberger | 1 | Daughter | — | Pennsylvania |
| 10 | Josephine Mabel | 0 | Daughter | — | Pennsylvania |
| 11 | A. J. Rison | 42 | Head | — | Pennsylvania |
| 12 | Madeline Rison | 38 | Wife | — | Pennsylvania |
| 13 | George Rison | 15 | Son | — | Pennsylvania |
| 14 | David Carey | 41 | Head | Driver | Pennsylvania |
| 15 | Ruth Carey | 36 | Wife | — | Pennsylvania |
| 16 | James Hammond | 42 | Head | — | Pennsylvania |
| 17 | Mary Hammond THIS PERSON | 41 | Wife | — | Pennsylvania |
| 18 | James Jr. Hammond | 17 | Son | — | Pennsylvania |
| 19 | Fern Hammond | 15 | Daughter | — | Pennsylvania |
| 20 | Robert Hammond | 13 | Son | — | Pennsylvania |
| 21 | William Hammond | 11 | Son | — | Pennsylvania |
| 22 | Betty Hammond | 9 | Daughter | — | Pennsylvania |
| 23 | Fred Hammond | 7 | Son | — | Pennsylvania |
| 24 | Ruth Hammond | 5 | Daughter | — | Pennsylvania |
| 25 | Richard Hammond | 3 | Son | — | Pennsylvania |
| 26 | Robert Hammond | 1 | Son | — | Pennsylvania |
| 27 | Harry Church | 45 | Head | — | Pennsylvania |
| 28 | Edna Church | 41 | Wife | — | Pennsylvania |
| 29 | Clarence Prosser | 21 | Head | Laborer | Pennsylvania |
| 30 | Mary Prosser | 21 | Wife | — | Pennsylvania |
| 31 | William Prosser | 1 | Daughter | — | Pennsylvania |
| 32 | Clarence Porter | 42 | Head | — | Pennsylvania |
| 33 | Clarence Jr. Porter | 22 | Son | Laborer | Pennsylvania |
| 34 | Bessie E. Porter | 19 | Daughter-in-law | — | Kentucky |
| 35 | Robert Lewis | 21 | Boarder | — | Pennsylvania |
| 36 | Harry Williams | 38 | Boarder | — | Georgia |
| 37 | James White | 40 | Boarder | — | South Carolina |
| 38 | Geneva Rawls | 21 | Boarder | — | Pennsylvania |
| 39 | John Rawls | 25 | Boarder | — | Pennsylvania |
| 40 | Herbert Short | 40 | Head | — | Pennsylvania |
| 41 | John Bell | 50 | Head | — | Pennsylvania |
| 42 | Mary Bell | 49 | Wife | — | Pennsylvania |
| 43 | John Hipp | 51 | Boarder | — | Pennsylvania |
| 44 | Frank Reed | 45 | Boarder | — | Pennsylvania |
| 45 | Betty J. Reed | 7 | Boarder | — | Pennsylvania |
| 46 | Michael Senchisen | 21 | Head | Miner | Austria |
| 47 | Nellie Senchisen | 17 | Wife | — | Pennsylvania |
| 48 | Marie Dull | 32 | Head | — | Pennsylvania |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)