JC
John Cobb — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Cobb across the 1900, 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1843), then head of a 4-person household.
Age 77
b. ~1843
Male
Head
Born: New Jersey
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Cobb |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Coal Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Bookkeeper |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1843 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Maude Cobb | Daughter | — | 40 | ~1880 |
| Sarah Cobb | Spouse | — | 65 | ~1855 |
| Alice Somers | Other | — | 47 | ~1873 |
| John Cobb | Head | — | 77 | ~1843 |
Census Appearances
1900
Philadelphia, Pennsylvania
Head, age 58
Philadelphia, Pennsylvania · implied b. ~1842 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cobb |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Birth Month | Jan |
| Birth Year | 1842 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Inspector (Bd of Health) |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1910
Philadelphia, Pennsylvania
Head, age 67
Philadelphia, Pennsylvania · implied b. ~1843 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cobb |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Years Married | 42 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Inspector |
| Industry | Board of Health |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Philadelphia, Pennsylvania
Head, age 77
Philadelphia, Pennsylvania · implied b. ~1843 — 4 household members
| Surname | Cobb |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Bookkeeper |
| Industry | Coal Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Cobb across 3 US Census years (1900, 1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
John Cobb
Head · 1920 · age 77 · b. ~1843 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1634unit:0837)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Kathrine Logue | 60 | Boarder | — | Penn |
| 52 | William Logue | 47 | Head | Seamstress | Scotland |
| 53 | Mary Logue | 44 | Wife | Waitress | Penn |
| 54 | Helen Logue | 22 | Daughter | — | Penn |
| 55 | Anna Logue | 20 | Daughter | Coater | Penn |
| 56 | Mary Logue | 18 | Daughter | Waitress | Penn |
| 57 | William Logue | 17 | Son | Waitress | Penn |
| 58 | Thomas Logue | 10 | Son | — | Penn |
| 59 | Margaret Logue | 5 | Daughter | — | Penn |
| 60 | Bridget Mcdermott | 60 | Boarder | — | Penn |
| 61 | Joseph Casey | 53 | Head | Tailor | Penn |
| 62 | Jennie Casey | 50 | Wife | Operator | Penn |
| 63 | Eleanor Casey | 21 | Daughter | — | Penn |
| 64 | John Dever | 46 | Head | Stenographer | Penn |
| 65 | Mary Dever | 43 | Wife | — | Penn |
| 66 | John Dever | 20 | Son | — | Penn |
| 67 | John W. Cobb THIS PERSON | 77 | Head | Bookkeeper | New Jersey |
| 68 | Sarah Cobb | 65 | Wife | Inspector | Penn |
| 69 | Maude Cobb | 40 | Daughter | — | Penn |
| 70 | Alice Somers | 47 | Boarder | Designer | Penn |
| 71 | Charles Schwartz | 50 | Head | Housework | Penn |
| 72 | Johanna Schwartz | 48 | Wife | Engraver | Penn |
| 73 | John Schwartz | 25 | Son | — | Penn |
| 74 | Helen Schwartz | 23 | Daughter | Broker | Penn |
| 75 | Charles Schwartz | 20 | Son | Teacher | Penn |
| 76 | Francis Sullivan | 48 | Boarder | Teamster | Penn |
| 77 | John J. Kenny | 26 | Boarder | Chandler | Penn |
| 78 | William Corrigan | 54 | Head | Plumber | Penn |
| 79 | Margaret Corrigan | 52 | Wife | Watchman | Ireland |
| 80 | Mary Corrigan | 25 | Daughter | — | Penn |
| 81 | Margaret Corrigan | 22 | Daughter | Milliner | Penn |
| 82 | Anna Corrigan | 20 | Daughter | Bookkeeper | Penn |
| 83 | Alexander Reis | 25 | Boarder | Bookkeeper | Penn |
| 84 | Lena Farber | 39 | Head | Dressmaker | Russia |
| 85 | Harry Farber | 17 | Son | Salesman | Penn |
| 86 | Carl Farber | 13 | Son | Electrician | Penn |
| 87 | Francis Farber | 8 | Daughter | — | Penn |
| 88 | Norton Farber | 5 | Son | — | Penn |
| 89 | Isaac Harmelin | 52 | Head | — | Austria |
| 90 | Esther Harmelin | 46 | Wife | Director | Russia |
| 91 | Rose Harmelin | 20 | Daughter | — | Penn |
| 92 | Ben Harmelin | 30 | Son | Business | Penn |
| 93 | Howard Ferguson | 36 | Head | Milliner | Penn |
| 94 | Mary Ferguson | 34 | Wife | Cutter | Ireland |
| 95 | Ellen Ferguson | 8 | Daughter | — | Penn |
| 96 | Mary Ferguson | 6 | Daughter | — | Penn |
| 97 | Anna Ferguson | 2 | Daughter | — | Penn |
| 98 | John Robinson | 30 | Boarder | — | Penn |
| 99 | Al Garner | 30 | Boarder | Helper | Penn |
| 100 | Al Garner | 30 | Boarder | Clerk | Penn |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)