JH
John Hammond — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Washington, Pennsylvania
Our Model Tree links this John Hammond across the 1930 and 1940 US Censuses in Washington, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 9-person household.
Age 9
b. ~1921
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Washington, Pennsylvania |
| Surname | Hammond |
| Given Name | John |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Marianna Borough |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Bertha Hammond | Daughter | — | 12 | ~1918 |
| Pauline Hammond | Daughter | — | 10 | ~1920 |
| Garden Hammond | Daughter | — | 7 | ~1923 |
| Helen Hammond | Daughter | — | 13 | ~1917 |
| John Hammond | Daughter | — | 9 | ~1921 |
| Wade Hammond | Head | — | 47 | ~1883 |
| Burnell Hammond | Son | — | 17 | ~1913 |
| Earl Hammond | Son | — | 23 | ~1907 |
| Oliver Hammond | Son | — | 21 | ~1909 |
Census Appearances
1930
Washington, Pennsylvania
Daughter, age 9
Washington, Pennsylvania · implied b. ~1921 — 9 household members
| Surname | Hammond |
| Given Name | John |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Spouse, age 19
Washington-County, Pennsylvania · implied b. ~1921 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Janet |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Washington |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Pennsylvania |
| 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 John Hammond across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hammond
Daughter · 1930 · age 9 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
Bertha Hammond
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Garden Hammond
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hammond
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Hammond
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oliver Hammond
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Burnell Hammond
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Hammond
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Washington, Pennsylvania
Open full size
1930 US Federal Census — Washington, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2163:0034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wade P Hammond | 47 | Head | Miner | Alabama |
| 2 | Earl Hammond | 23 | Son | Miner | Alabama |
| 3 | Oliver Hammond | 21 | Son | Miner | Alabama |
| 4 | Burnell Hammond | 17 | Son | Miner | Alabama |
| 5 | Helen Hammond | 13 | Daughter | — | Alabama |
| 6 | Bertha Hammond | 12 | Daughter | — | Pennsylvania |
| 7 | Pauline Hammond | 10 | Daughter | — | Pennsylvania |
| 8 | John Hammond THIS PERSON | 9 | Daughter | — | Pennsylvania |
| 9 | Garden Hammond | 7 | Daughter | — | Pennsylvania |
| 10 | Stanley Brown | 45 | Head | Miner | Poland |
| 11 | Marianna Brown | 40 | Wife | — | Poland |
| 12 | Stanley Brown | 19 | Son | Miner | Pennsylvania |
| 13 | Joseph Brown | 17 | Son | — | Pennsylvania |
| 14 | Annie Brown | 15 | Daughter | — | Pennsylvania |
| 15 | Helen Brown | 13 | Daughter | — | Pennsylvania |
| 16 | Mary Brown | 11 | Daughter | — | Pennsylvania |
| 17 | Rose Brown | 9 | Daughter | — | Pennsylvania |
| 18 | Lottie Brown | 7 | Daughter | — | Pennsylvania |
| 19 | William Giddings | 37 | Head | Miner | Pennsylvania |
| 20 | Mary Giddings | 34 | Wife | — | Pennsylvania |
| 21 | William Giddings | 12 | Son | — | Pennsylvania |
| 22 | Richard Giddings | 10 | Son | — | Pennsylvania |
| 23 | Mildred Giddings | 8 | Daughter | — | Pennsylvania |
| 24 | Ruth Giddings | 6 | Daughter | — | Pennsylvania |
| 25 | Catherine Giddings | 4 | Daughter | — | Pennsylvania |
| 26 | Gertrude Giddings | 3 | Daughter | — | Pennsylvania |
| 27 | William Giddings | 2 | Son | — | Pennsylvania |
| 28 | Robert Giddings | 1 | Son | — | Pennsylvania |
| 29 | Harold Giddings | 0 | Son | — | Pennsylvania |
| 30 | Pete Slogron | 43 | Head | Miner | Austria |
| 31 | Anna Slogron | 38 | Wife | — | Pennsylvania |
| 32 | Anna Slogron | 19 | Daughter | — | Pennsylvania |
| 33 | Pete Jr Slogron | 17 | Son | — | Pennsylvania |
| 34 | John Slogron | 15 | Son | — | Pennsylvania |
| 35 | Mary Slogron | 13 | Daughter | — | Pennsylvania |
| 36 | Helen Slogron | 11 | Daughter | — | Pennsylvania |
| 37 | Charles Slogron | 8 | Son | — | Pennsylvania |
| 38 | Andy Nimpole | 29 | Head | Miner | Poland |
| 39 | Cecelia Nimpole | 5 | Daughter | — | Pennsylvania |
| 40 | Stanley Nimpole | 3 | Son | — | Pennsylvania |
| 41 | Mat Glad | 50 | Head | Miner | Austria |
| 42 | Catherine Glad | 43 | Wife | — | Austria |
| 43 | Mat Jr Glad | 15 | Son | — | Pennsylvania |
| 44 | Joseph Glad | 13 | Son | — | Pennsylvania |
| 45 | Richard Glad | 11 | Son | — | Pennsylvania |
| 46 | Roseann Glad | 8 | Daughter | — | Pennsylvania |
| 47 | Antoni Bauer | 42 | Boarder | Miner | Austria |
| 48 | Joseph Bauer | 42 | Brother | Miner | Austria |
| 49 | Stephen Orlin | 39 | Head | Miner | Czechoslovakia |
| 50 | Mary Orlin | 33 | Wife | — | Czechoslovakia |
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)