JH
John Hammond — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Hammond across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 4-person household.
Age 52
b. ~1878
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Hammond |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 33 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Bar Man |
| Industry | Steel Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Bar Man |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1878 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Hammond | Head | — | 52 | ~1878 |
| John Hammond | Son | — | 11 | ~1919 |
| Raymond Hammond | Son | — | 13 | ~1917 |
| Bertha Hammond | Spouse | — | 40 | ~1890 |
Census Appearances
1910
Philadelphia, Pennsylvania
Other, age 33
Philadelphia, Pennsylvania · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | John W. |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Assistant |
| Industry | Undertaker's |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Philadelphia, Pennsylvania
Other, age 43
Philadelphia, Pennsylvania · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | John C. |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Head-Waiter |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Philadelphia, Pennsylvania
Head, age 52
Philadelphia, Pennsylvania · implied b. ~1878 — 4 household members
| Surname | Hammond |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 33 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Occupation | Bar Man |
| Industry | Steel Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30.00 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
John Hammond
Head · 1930 · age 52 · b. ~1878 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
46 people indexed on this census page (ia:1930:fifteenthcensus00reel2123:0801)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert C Fisher | 40 | Head | Laborer | New Jersey |
| 2 | Lottie Fisher | 34 | Wife | Housework | Pennsylvania |
| 3 | Viola Fisher | 15 | Daughter | — | Pennsylvania |
| 4 | Harry Fisher | 11 | Son | — | Pennsylvania |
| 5 | Rosetta Fisher | 10 | Daughter | — | Pennsylvania |
| 6 | John C Wills | 35 | Lodger | Laborer | New Jersey |
| 7 | William H Lee | 56 | Head | Janitor | Virginia |
| 8 | Florence Holden | 30 | Head | Housework | Maryland |
| 9 | Thelma Holden | 16 | Daughter | — | Maryland |
| 10 | William Holden | 13 | Son | — | Maryland |
| 11 | James Mitchell | 41 | Head | Cook | British West Indies |
| 12 | Matilda Brown | 40 | Lodger | Cook | Virginia |
| 13 | Cynthia Meadows | 50 | Head | Housework | South Carolina |
| 14 | Flannie Meadows | 20 | Daughter | Housework | South Carolina |
| 15 | John D Meadows | 18 | Son | Bootblack | South Carolina |
| 16 | Andrew M Meadows | 2 | Son | — | Pennsylvania |
| 17 | Jeanie Brown | 13 | Granddaughter | — | South Carolina |
| 18 | Pauline Meadows | 15 | Daughter | — | South Carolina |
| 19 | John H Hammond THIS PERSON | 52 | Head | Bar Man | Maryland |
| 20 | Bertha Hammond | 40 | Wife | Housework | Virginia |
| 21 | Raymond Hammond | 13 | Son | — | Pennsylvania |
| 22 | John H Hammond | 11 | Son | — | Pennsylvania |
| 23 | William Turner | 37 | Head | Chauffeur | Florida |
| 24 | Catheryne Turner | 28 | Wife | Cook | Delaware |
| 25 | Viola White | 30 | Lodger | Housework | Delaware |
| 26 | Mary L Hatch | 40 | Head | General Work | Pennsylvania |
| 27 | Virginia Hatch | 14 | Daughter | — | Pennsylvania |
| 28 | Charles H Buxton | 51 | Lodger | Laborer | Pennsylvania |
| 29 | George Johnson | 34 | Head | Laborer | Pennsylvania |
| 30 | Minerva Johnson | 32 | Wife | Housework | Pennsylvania |
| 31 | Clarence Johnson | 16 | Son | Helper | Pennsylvania |
| 32 | Ida Johnson | 13 | Daughter | — | Pennsylvania |
| 33 | George Johnson | 11 | Son | — | Pennsylvania |
| 34 | Anna Johnson | 8 | Daughter | — | Pennsylvania |
| 35 | Percy Johnson | 5 | Son | — | Pennsylvania |
| 36 | Minerva Johnson | 1 | Daughter | — | Pennsylvania |
| 37 | Wallace Jones | 43 | Head | Presser | United States |
| 38 | Addie Jones | 38 | Wife | Housework | Virginia |
| 39 | Wallace Jones | 17 | Son | Clerk | Virginia |
| 40 | Ryland Jones | 14 | Son | — | Virginia |
| 41 | Evelyn Jones | 11 | Daughter | — | Virginia |
| 42 | Walter Cannon | 59 | Head | Huckster | Pennsylvania |
| 43 | Euterpa Cannon | 48 | Wife | — | British West Indies |
| 44 | Mary E Murphy | 47 | Head | Operator | Pennsylvania |
| 45 | John F Myers | 18 | Nephew | — | Pennsylvania |
| 46 | Jennie M Dickie | 62 | Lodger | Operator | Scotland |
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)