HJ
Harry Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Harry Johnson across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Emerson & Isabelle — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | N |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Carpenter |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Bernadine Johnson | Daughter | — | 40 | ~1900 |
| Louise Johnson | Daughter | — | 36 | ~1904 |
| Mary Johnson | Head | — | 54 | ~1886 |
| Alfred Johnson | Other | — | 15 | ~1925 |
| Albert Johnson | Other | — | 14 | ~1926 |
| Paul Johnson | Son | — | 28 | ~1912 |
| Harry Johnson | Son | — | 23 | ~1917 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harry |
| 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 |
1930
Philadelphia, Pennsylvania
Son, age 13
Philadelphia, Pennsylvania · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 23
Philadelphia-County, Pennsylvania · implied b. ~1917 — 7 household members
| Surname | Johnson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | N |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Carpenter |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 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 Harry Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Emerson Johnson (~0.92 confidence) and mother Isabelle Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and father John Ryder (~0.92 confidence) and mother Margaret Ryder (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Emerson Johnson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Isabelle Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
John Ryder
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Margaret Ryder
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Johnson
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Bernadine Johnson
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Johnson
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Johnson
Sibling · 1940 · age 28
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-t0627-03690-00368)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anthony Jr Cefona | 12 | Son | — | Pennsylvania |
| 42 | Louis Lowe | 50 | Head | Labour | N. Carolina |
| 43 | Lillian Lowe | 49 | Wife | — | Virginia |
| 44 | John Carter | 50 | Head | Longshoreman | Virginia |
| 45 | Grace Kelly | 45 | Head | — | S. Carolina |
| 46 | Mary Kelly | 19 | Daughter | — | Virginia |
| 47 | Naomi Simon | 36 | Head | Maid | S. Carolina |
| 48 | Harold Nesmith | 30 | Head | Janitor | S. Carolina |
| 49 | Margaret Nesmith | 24 | Wife | — | S. Carolina |
| 50 | Doris Nesmith | 6 | Daughter | — | Pennsylvania |
| 51 | George Washington | 43 | Head | Porter | Florida |
| 52 | Vernetta Washington | 41 | Wife | — | New Jersey |
| 53 | Thomas Coney | 40 | Head | Maid | Georgia |
| 54 | Justine Coney | 20 | Daughter | Servant | Georgia |
| 55 | Harold Walters | 25 | Head | Porter | Maryland |
| 56 | Cora Johnson | 25 | Head | — | Maryland |
| 57 | Clara Honiss | 40 | Head | — | Florida |
| 58 | Mary Johnson | 54 | Head | Servant | Virginia |
| 59 | Louise Johnson | 36 | Daughter | Operator | Pennsylvania |
| 60 | Paul Johnson | 28 | Son | Bartender | Pennsylvania |
| 61 | Harry Johnson THIS PERSON | 23 | Son | Carpenter | Pennsylvania |
| 62 | Bernadine Johnson | 40 | Daughter | Maid | Pennsylvania |
| 63 | Alfred Johnson | 15 | Grand-son | — | Pennsylvania |
| 64 | Albert Johnson | 14 | Grand-son | — | Pennsylvania |
| 65 | Louis Williams | 38 | Head | Shipper | Virginia |
| 66 | Louise Williams | 43 | Wife | Maid | Washington DC |
| 67 | Lester Williams | 20 | Son | Porter | Pennsylvania |
| 68 | Lillian Williams | 16 | Daughter | — | Pennsylvania |
| 69 | Louis Jr. Williams | 15 | Son | — | Pennsylvania |
| 70 | Alvin Robins | 21 | Head | Operator | Pennsylvania |
| 71 | Ernest Baring | 32 | Head | Helper-Driver | Pennsylvania |
| 72 | Salvatore Sinatra | 59 | Head | Shoemaker | Italy |
| 73 | Katherine Sinatra | 47 | Wife | — | Italy |
| 74 | Frances Sinatra | 25 | Daughter | Packer | Pennsylvania |
| 75 | Mildred Sinatra | 23 | Daughter | Band Sawer | Pennsylvania |
| 76 | Sebastian Sinatra | 21 | Son | Packer | Pennsylvania |
| 77 | Josephine Fischella | 28 | Sister-in-law | Operator | Pennsylvania |
| 78 | Cora Mines | 39 | Head | — | S. Carolina |
| 79 | Margaret Mines | 22 | Daughter | Maid | S. Carolina |
| 80 | Eugene Mines | 21 | Son | — | S. Carolina |
Pedigree Summary
Harry + 3 siblings
Gen 1 · 5 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)