JH
John Henderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Henderson across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Rose & John — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Henderson |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Operator |
| Industry | Publishing Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Operator |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Edward Henderson | Head | — | 45 | ~1895 |
| John Henderson | Son | — | 21 | ~1919 |
| Frank Henderson | Son | — | 19 | ~1921 |
| Julia Henderson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 1
Philadelphia, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| 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
Son, age 21
Philadelphia-County, Pennsylvania · implied b. ~1919 — 4 household members
| Surname | Henderson |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | Operator |
| Industry | Publishing Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H-4 |
| 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 Henderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rose Henderson (~0.92 confidence) and father John Henderson (~0.92 confidence) and mother Julia Henderson (~0.92 confidence) and father Ray Henderson (~0.92 confidence) and father Edward Henderson (~0.92 confidence) and mother Ethel Henderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rose Henderson
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
John Henderson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Julia Henderson
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Ray Henderson
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Edward Henderson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Ethel Henderson
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Henderson
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Frank Henderson
Sibling · 1940 · age 19
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
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03705-00678)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen E. Codd | 39 | Wife | Clerk | Pennsylvania |
| 42 | Elizabeth Mulligan | 77 | Mother-in-law | — | Ireland |
| 43 | John F. Cassidy | 77 | Head | — | Pennsylvania |
| 44 | Frances M. Cassidy | 67 | Wife | — | Pennsylvania |
| 45 | Samuel R. Cushman | 70 | Head | — | Pennsylvania |
| 46 | Bertha Cushman | 65 | Wife | — | Germany |
| 47 | Edward C. Henderson | 45 | Head | Clerk | New Jersey |
| 48 | Julia E. Henderson | 50 | Wife | — | Pennsylvania |
| 49 | John E. Henderson THIS PERSON | 21 | Son | Operator | Pennsylvania |
| 50 | Frank J. Henderson | 19 | Son | — | Pennsylvania |
| 51 | M. Louisa Cromuth | 78 | Head | — | Pennsylvania |
| 52 | Olga C. Cromuth | 56 | Daughter | Dress Making | Pennsylvania |
| 53 | John S. Graham | 55 | Head | Sexton | North. Ireland |
| 54 | Jennie A. Graham | 52 | Wife | — | Pennsylvania |
| 55 | Margaret E. Graham | 18 | Daughter | — | Pennsylvania |
| 56 | William D. Leech | 45 | Head | Engineer | Georgia |
| 57 | Madeline C. Leech | 40 | Wife | — | Pennsylvania |
| 58 | Mary Leech | 17 | Daughter | — | Pennsylvania |
| 59 | Sadie Kelly | 54 | Sister-in-law | Examiner | Pennsylvania |
| 60 | Edward E. Kelly | 43 | Brother-in-law | Clerk | Pennsylvania |
| 61 | Elwood C. Stackhouse | 32 | Head | Clerk | Pennsylvania |
| 62 | Marie A. Stackhouse | 24 | Wife | — | Pennsylvania |
| 63 | Annetta Stackhouse | 3 | Daughter | — | Pennsylvania |
| 64 | Elwood C. Jr. Stackhouse | 2 | Son | — | Pennsylvania |
| 65 | Antonia Sperber | 55 | Head | — | Poland |
| 66 | Mary Baranowski | 26 | Daughter | Operator | Pennsylvania |
| 67 | Veronica Baranowski | 24 | Daughter | Operator | Pennsylvania |
| 68 | Anna Baranowski | 22 | Daughter | Domestic | Pennsylvania |
| 69 | Frederick Horne | 49 | Head | Operator | Pennsylvania |
| 70 | Emma R. Horne | 48 | Wife | — | Pennsylvania |
| 71 | Jane Hackett | 48 | Lodger | Clerk | Pennsylvania |
| 72 | Joseph S. Dowling | 51 | Head | Surveyor | Pennsylvania |
| 73 | Katherine Dowling | 46 | Wife | — | Pennsylvania |
| 74 | Frank J. Nolan | 46 | Head | Technician | Pennsylvania |
| 75 | Addie D. Nolan | 46 | Wife | — | Pennsylvania |
| 76 | Ruth J. Nolan | 16 | Daughter | — | Pennsylvania |
| 77 | Isabelle M. Nolan | 14 | Daughter | — | Pennsylvania |
| 78 | James N. Hartman | 8 | Grand-son | — | Pennsylvania |
| 79 | Phillip S. Hurns | 29 | Head | Shipping Clerk | Pennsylvania |
| 80 | Estelle C. Hurns | 30 | Wife | — | Pennsylvania |
Pedigree Summary
John + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)