JH
John Hendrickson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Hendrickson across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Katherine — first a son (b.~1918), then head of a 10-person household.
Age 12
b. ~1918
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Hendrickson |
| Given Name | John |
| 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/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1918 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Hendrickson | Daughter | — | 21 | ~1909 |
| Catherine Hendrickson | Other | — | 48 | ~1882 |
| Charles Hendrickson | Head | — | 55 | ~1875 |
| Harvey Hendrickson | Son | — | 9 | ~1921 |
| Alice Carpenter | Other | — | 3 | ~1927 |
| Charles Hendrickson | Son | — | 26 | ~1904 |
| Emma Hendrickson | Daughter | — | 16 | ~1914 |
| James Hendrickson | Son | — | 19 | ~1911 |
| Robert Hendrickson | Son | — | 11 | ~1919 |
| John Hendrickson | Son | — | 12 | ~1918 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 2
Philadelphia, Pennsylvania · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendrickson |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 12
Philadelphia, Pennsylvania · implied b. ~1918 — 10 household members
| Surname | Hendrickson |
| Given Name | John |
| 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/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Other, age 22
Philadelphia-County, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendrick |
| Given Name | John |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Truck Driver |
| Industry | Advertising |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 125 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| 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 Hendrickson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Hendrickson (~0.92 confidence) and mother Katherine Hendrickson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Hendrickson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Katherine Hendrickson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hendrickson
Son · 1930 · age 12 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Charles Hendrickson
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hendrickson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hendrickson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hendrickson
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Hendrickson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Hendrickson
Sibling · 1930 · age 9
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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2109ns:0503)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morris Lerner | 32 | Head | Dealer | Russia |
| 2 | Sadie Lerner | 34 | Wife-H | — | New York |
| 3 | Charles H. Hendrickson | 55 | Head | Janitor | Pennsylvania |
| 4 | Catherine A. Hendrickson | 48 | Wife-H | — | Pennsylvania |
| 5 | Charles H. Hendrickson | 26 | Son | Bookkeeper | Pennsylvania |
| 6 | Margaret Hendrickson | 21 | Daughter | Saleslady | Pennsylvania |
| 7 | James Hendrickson | 19 | Son | Helper | Pennsylvania |
| 8 | Emma A. Hendrickson | 16 | Daughter | Clerk | Pennsylvania |
| 9 | John Hendrickson THIS PERSON | 12 | Son | — | Pennsylvania |
| 10 | Robert Hendrickson | 11 | Son | — | Pennsylvania |
| 11 | Harvey Hendrickson | 9 | Son | — | Pennsylvania |
| 12 | Alice C. Carpenter | 3 | Boarder | — | Pennsylvania |
| 13 | William Cloak | 51 | Head | Bricklayer | Pennsylvania |
| 14 | Veronica Cloak | 44 | Wife-H | — | Pennsylvania |
| 15 | Irma Cloak | 21 | Daughter | Clerk | Pennsylvania |
| 16 | John Wild | 71 | Father-in-law | Laborer | Germany |
| 17 | William Bahrenburg | 37 | Head | Agent Solicitor | New York |
| 18 | Viola Bahrenburg | 35 | Wife-H | — | Pennsylvania |
| 19 | William Jr. Bahrenburg | 8 | Son | — | Pennsylvania |
| 20 | William G. Blamble | 43 | Head | Draftsman | Pennsylvania |
| 21 | Emily Blamble | 38 | Wife-H | — | Pennsylvania |
| 22 | Edna Blamble | 16 | Daughter | — | Pennsylvania |
| 23 | William G. Jr. Blamble | 15 | Son | — | Pennsylvania |
| 24 | Emily Blamble | 13 | Daughter | — | Pennsylvania |
| 25 | John Blamble | 12 | Son | — | Pennsylvania |
| 26 | James Bradley | 47 | Head | Watchman | Pennsylvania |
| 27 | Susan Bradley | 51 | Wife-H | — | Pennsylvania |
| 28 | John Jones | 25 | Step-son | Agent | Pennsylvania |
| 29 | John Cummins | 37 | Boarder | Clerk | Pennsylvania |
| 30 | Thomas Linton | 39 | Head | Printer | Pennsylvania |
| 31 | Mable Linton | 28 | Wife-H | — | Pennsylvania |
| 32 | Sarah Linton | 72 | Mother | — | Pennsylvania |
| 33 | William Linton | 10 | Son | — | Pennsylvania |
| 34 | Henry Henty | 58 | Head | Carpenter | Russia |
| 35 | Emily Henty | 58 | Wife-H | — | Russia |
| 36 | Edward Henty | 25 | Son | Secretary | Pennsylvania |
| 37 | Henry Jr. Henty | 21 | Son | Plumber | Pennsylvania |
| 38 | Clare Henty | 16 | Daughter | — | Pennsylvania |
| 39 | Michael Einstein | 62 | Head | Dealer | Poland |
| 40 | Pearl Einstein | 46 | Wife-H | — | Russia |
| 41 | Hewitt Einstein | 24 | Son | Teacher | New York |
| 42 | Bessie Einstein | 9 | Daughter | — | Pennsylvania |
| 43 | Edward Gullen | 63 | Head | Watchman | Pennsylvania |
| 44 | Frances A. Gullen | 57 | Wife-H | — | Northern Ireland |
| 45 | Mary E. Gullen | 41 | Daughter | — | Pennsylvania |
| 46 | George Gullen | 21 | Son | Laborer | Pennsylvania |
| 47 | William J. Gullen | 20 | Son | Operator | Pennsylvania |
| 48 | Harry Oelschlager | 29 | Head | Accountant | Pennsylvania |
| 49 | Angela Oelschlager | 52 | Mother | — | Pennsylvania |
| 50 | John Campbell | 71 | Head | — | Pennsylvania |
Pedigree Summary
John + 6 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)