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William Hartman — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this William Hartman across the 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 9-person household.
Age 12
b. ~1908
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1908 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Hartman | Daughter | — | 1 | ~1919 |
| Alice Hartman | Daughter | — | 10 | ~1910 |
| Walter Hartman | Son | — | 3 | ~1917 |
| George Hartman | Son | — | 8 | ~1912 |
| George Hartman | Head | — | 38 | ~1882 |
| Joseph Hartman | Son | — | 6 | ~1914 |
| Mary Kelly | Other | — | 48 | ~1872 |
| Mary Hartman | Spouse | — | 38 | ~1882 |
| William Hartman | Son | — | 12 | ~1908 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 3
Philadelphia, Pennsylvania · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | Willard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Son, age 12
Philadelphia, Pennsylvania · implied b. ~1908 — 9 household members
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 William Hartman across 2 US Census years (1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Hartman
Son · 1920 · age 12 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
George Hartman
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hartman
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Hartman
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Hartman
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Hartman
Sibling · 1920 · age 3
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
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:1920:14thcensusofpopu1640unit:0420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Komm | 42 | Head | Dist Merchant | Russia |
| 2 | Mollie Komm | 42 | Wife | — | Russia |
| 3 | Abraham Komm | 3 | Son | — | Pennsylvania |
| 4 | Jacob Hoffman | 16 | Step Son | Clerk | Russia |
| 5 | Binnie Hoffman | 14 | Step Daughter | — | Pennsylvania |
| 6 | George H Hartman | 38 | Head | Carpenter | Pennsylvania |
| 7 | Mary Hartman | 38 | Wife | — | Pennsylvania |
| 8 | William Hartman THIS PERSON | 12 | Son | — | Pennsylvania |
| 9 | Alice Hartman | 10 | Daughter | — | Pennsylvania |
| 10 | George Hartman | 8 | Son | — | Pennsylvania |
| 11 | Joseph Hartman | 6 | Son | — | Pennsylvania |
| 12 | Walter Hartman | 3 | Son | — | Pennsylvania |
| 13 | Mary Hartman | 1 | Daughter | — | Pennsylvania |
| 14 | Mary Kelly | 48 | Boarder | — | Pennsylvania |
| 15 | Jacob Selkov | 38 | Head | — | Russia |
| 16 | Rose Selkov | 37 | Wife | — | Russia |
| 17 | Samuel Selkov | 20 | Son | Presser | Russia |
| 18 | David Selkov | 19 | Son | Salesman | Russia |
| 19 | William Selkov | 16 | Son | — | Russia |
| 20 | Anna Selkov | 12 | Daughter | — | Pennsylvania |
| 21 | Sarah Selkov | 10 | Son | — | Pennsylvania |
| 22 | Mary Selkov | 4 | Daughter | — | Pennsylvania |
| 23 | Morris Goodman | 40 | Boarder | Garage | Russia |
| 24 | Max Gumbiner | 55 | Head | Stenographer | Russia |
| 25 | Rose Gumbiner | 53 | Wife | — | Russia |
| 26 | Bessie Gumbiner | 21 | Daughter | Machine Operator | Pennsylvania |
| 27 | Meyer Mageors | 18 | Lodger | Printer | Russia |
| 28 | Joseph Doktor | 45 | Head | Carpenter | Russia |
| 29 | Rose Doktor | 40 | Wife | — | Russia |
| 30 | Sarah Doktor | 18 | Daughter | — | Russia |
| 31 | Celia Doktor | 16 | Daughter | Expeditor | Russia |
| 32 | Nathan Doktor | 13 | Son | — | Pennsylvania |
| 33 | Samuel Doktor | 11 | Son | — | Pennsylvania |
| 34 | Morris Doktor | 9 | Son | — | Pennsylvania |
| 35 | Abraham Kralsky | 53 | Head | Junk Dealer | Russia |
| 36 | Ethel Kralsky | 50 | Wife | — | Russia |
| 37 | Bessie Kralsky | 20 | Daughter | Bookkeeper | Russia |
| 38 | Jean Kralsky | 18 | Daughter | Saleslady | Russia |
| 39 | Anna Kralsky | 16 | Daughter | Stenographer | Russia |
| 40 | Beatrice Kralsky | 9 | Daughter | — | Pennsylvania |
| 41 | Solomon Cohen | 43 | Head | School Teacher | Russia |
| 42 | Isaac Hagman | 70 | Head | — | Russia |
| 43 | Sarah Hagman | 70 | Wife | — | Russia |
| 44 | Katie Shore | 40 | Daughter | Operator | Russia |
| 45 | Julia Plode | 35 | Head | Proprietor | Russia |
| 46 | Sarah Plode | 23 | Wife | — | Maryland |
| 47 | Harold Plode | 3 | Son | — | Pennsylvania |
| 48 | Albert Plode | 2 | Son | — | Pennsylvania |
| 49 | Toby Timmerman | 50 | Head | — | Russia |
| 50 | Morris Timmerman | 25 | Son | Electrician | Russia |
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)