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James Johnston — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Johnston across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Henry & Ester — first a head (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Johnston |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | chauffeur |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1500 |
| Highest Grade | H 8 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Chauffeur |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1887 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Johnston | Daughter | — | 27 | ~1913 |
| James Johnston | Head | — | 53 | ~1887 |
| Nellie Johnston | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 27
Allegheny, Pennsylvania · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Allegheny, Pennsylvania
Other, age 40
Allegheny, Pennsylvania · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | James R. |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Alien |
| Year of Immigration | 1912 |
| Age at First Marriage | 32 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Allegheny-County, Pennsylvania
Head, age 53
Allegheny-County, Pennsylvania · implied b. ~1887 — 3 household members
| Surname | Johnston |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Occupation | chauffeur |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1500 |
| Highest Grade | H 8 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 James Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Johnston (~0.92 confidence) and mother Ester Johnston (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Johnston
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Ester Johnston
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Johnston
Head · 1940 · age 53 · b. ~1887 · 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03655-00821)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Claire Dinkers | 37 | Head | Worker | Pennsylvania |
| 42 | Adelaide Connell | 76 | Head | — | Massachusetts |
| 43 | Margaret Connell | 40 | Daughter | Cracker | Massachusetts |
| 44 | Myrtle Fishel | 46 | Head | Housework | N. Carolina |
| 45 | Pauline Fishel | 23 | Daughter | — | Penna |
| 46 | Anna Stevenson | 68 | Head | — | Penna |
| 47 | Margaret Stevenson | 28 | Daughter | Secretary | Penna |
| 48 | Charles Sauter | 47 | Head | Inspector | Penna |
| 49 | Kathryn Sauter | 47 | Wife | — | Penna |
| 50 | Margaret Gulley | 69 | Head | — | Penna |
| 51 | Alice E. Gulley | 32 | Daughter | Private Secretary | Penna |
| 52 | Charles Gulley | 30 | Son | Messenger | Missouri |
| 53 | James Johnston THIS PERSON | 53 | Head | Chauffeur | Ireland |
| 54 | Nellie Johnston | 48 | Wife | — | Penna |
| 55 | Eleanor Johnston | 27 | Daughter | Clerk | Penna |
| 56 | T. Lamont Harvey | 39 | Head | Pharmacist | Pennsylvania |
| 57 | Edna Mary Harvey | 38 | Wife | — | Penna |
| 58 | John Katzen | 43 | Head | Waiter | Greece |
| 59 | Marie Katzen | 32 | Wife | Curtains | Pennsylvania |
| 60 | George Katzen | 14 | Son | — | Pennsylvania |
| 61 | John Jr. Katzen | 10 | Son | — | Pennsylvania |
| 62 | Bertha K. Long | 56 | Head | Cataloger | Pennsylvania |
| 63 | Elizabeth Long | 30 | Daughter | — | Pennsylvania |
| 64 | Mary Long | 24 | Daughter | Nurse | Pennsylvania |
| 65 | Mary Stanch | 40 | Head | Nurse | Pennsylvania |
| 66 | Clara Linsberger | 40 | Lodger | Dealer | Penna |
| 67 | Vincent Cerasoli | 51 | Head | — | Italy |
| 68 | Angelina Cerasoli | 37 | Wife | — | Italy |
| 69 | Jacob Link | 61 | Head | Paper Hanger | Penna |
| 70 | Elizabeth Link | 62 | Wife | — | Penna |
| 71 | Harry Honeberg | 5 | Son | — | Penna |
| 72 | Adelle Sautel | 49 | Head | — | Penna |
| 73 | Robert Sautel | 13 | Son | — | Penna |
| 74 | William Erwin | 44 | Head | Carpenter | Scotland |
| 75 | Grace Erwin | 27 | Wife | Housework | Scotland |
| 76 | Jules Feleke | 29 | Head | Clerk | Penna |
| 77 | Virginia Feleke | 27 | Wife | — | Penna |
| 78 | Eugene Feleke | 5 | Son | — | Penna |
| 79 | Robert Feleke | 4 | Son | — | Penna |
| 80 | James Faber | 19 | Brother-in-law | — | Penna |
Pedigree Summary
James
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 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)