HJ
Harry Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Harry Johnston across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Johnston |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Painter |
| Industry | House Painting |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Painter |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1890 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Johnston | Head | — | 50 | ~1890 |
| Katharine Johnston | Daughter | — | 16 | ~1924 |
| Marie Weber | Other | — | 70 | ~1870 |
| Katharine Johnston | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Philadelphia, Pennsylvania
Head, age 30
Philadelphia, Pennsylvania · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnstone |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Head, age 40
Philadelphia, Pennsylvania · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 28 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Painter |
| Industry | House Painting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 67.00 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Head, age 50
Philadelphia-County, Pennsylvania · implied b. ~1890 — 4 household members
| Surname | Johnston |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Painter |
| Industry | House Painting |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | 8 |
| 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 Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Johnston
Head · 1940 · age 50 · b. ~1890 · Pennsylvania
★ You are viewing this record
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-t0627-03726-00837)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Muldowney | 40 | Head | Sheet Metal Worker | Pennsylvania |
| 2 | Regina Muldowney | 42 | Wife | — | Pennsylvania |
| 3 | Arthur Muldowney | 15 | Son | — | Pennsylvania |
| 4 | Regina Muldowney | 10 | Daughter | — | Pennsylvania |
| 5 | Rita Muldowney | 7 | Daughter | — | Pennsylvania |
| 6 | Peter Krollman | 55 | Head | Carpenter | Estonia |
| 7 | Martha Krollman | 53 | Wife | — | Estonia |
| 8 | Frank Rostron | 25 | Boarder | Secretary | England |
| 9 | Florence K Rostron | 24 | Daughter | — | Pennsylvania |
| 10 | Frank Jr Rostron | 0 | Grandson | — | Pennsylvania |
| 11 | Bert White | 6 | Grandson | — | New York |
| 12 | Albert J Schuiler | 49 | Head | Sheet Metal Worker | Pennsylvania |
| 13 | Dorothy Schuiler | 43 | Wife | — | Pennsylvania |
| 14 | Albert Schuiler | 22 | Son | Apprentice | Pennsylvania |
| 15 | Benjamin Miller | 47 | Head | — | Scotland |
| 16 | Helen Miller | 46 | Wife | — | Pennsylvania |
| 17 | Marion Berger | 31 | Sister | Stenographer | Pennsylvania |
| 18 | Robert Young | 16 | Nephew | — | Pennsylvania |
| 19 | William R Freeby | 36 | Head | Meat Cutter | Pennsylvania |
| 20 | Edna M Freeby | 37 | Wife | — | Pennsylvania |
| 21 | Morris Freeby | 14 | Daughter | — | Pennsylvania |
| 22 | Helen Freeby | 10 | Daughter | — | Pennsylvania |
| 23 | John Farmer | 44 | Head | Knitter | Pennsylvania |
| 24 | Nellie Farmer | 35 | Wife | — | Pennsylvania |
| 25 | Norma Neff | 11 | Daughter | — | Pennsylvania |
| 26 | Harry Rodgers | 50 | Head | Superintendent | Pennsylvania |
| 27 | Martha Rodgers | 49 | Wife | — | Pennsylvania |
| 28 | Harry Johnston THIS PERSON | 50 | Head | Painter | Pennsylvania |
| 29 | Katharine Johnston | 50 | Wife | — | Pennsylvania |
| 30 | Katharine Johnston | 16 | Daughter | — | Pennsylvania |
| 31 | Marie Weber | 70 | Mother-in-law | — | Germany |
| 32 | Joseph Gildein | 49 | Head | Sheet Metal Worker | Austria |
| 33 | Catherine Gildein | 49 | Wife | — | Pennsylvania |
| 34 | Florence De Young | 26 | Step-daughter | Folder | Pennsylvania |
| 35 | William H Strum | 51 | Head | Foreman | Pennsylvania |
| 36 | Emma Strum | 47 | Wife | — | Pennsylvania |
| 37 | Walter Van Horn | 50 | Head | Inst Maker | Pennsylvania |
| 38 | Margaret Van Horn | 46 | Wife | — | Austria |
| 39 | Allan E Heintzman | 37 | Head | Clerk | Pennsylvania |
| 40 | Hazel Heintzman | 47 | Wife | — | Pennsylvania |
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)