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Alice Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Alice Johnston across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Johnston |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Assembler |
| Industry | Electrical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Assembler |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| George Johnston | Head | — | 62 | ~1878 |
| Elsie Johnston | Spouse | — | 50 | ~1890 |
| Jean Johnston | Daughter | — | 14 | ~1926 |
| George Johnston | Son | — | 22 | ~1918 |
| Frank Johnston | Son | — | 16 | ~1924 |
| Arthur Johnston | Son | — | 9 | ~1931 |
| Alice Johnston | Daughter | — | 19 | ~1921 |
| William Johnston | Son | — | 18 | ~1922 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 8
Philadelphia, Pennsylvania · implied b. ~1922 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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
Daughter, age 19
Philadelphia-County, Pennsylvania · implied b. ~1921 — 8 household members
| Surname | Johnston |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Assembler |
| Industry | Electrical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Alice Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Johnston
Daughter · 1940 · age 19 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
George Johnston
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnston
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Johnston
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Johnston
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Johnston
Sibling · 1940 · age 16
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-t0627-03740-00358)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Link | 35 | Head | Toolmaker | Germany |
| 42 | Hilda B Link | 33 | Wife | — | Germany |
| 43 | John Jr. Link | 10 | Son | — | Pennsylvania |
| 44 | Albert Kuebler | 30 | Boarder | Machinist | Germany |
| 45 | George Johnston | 62 | Head | Salesman | Pennsylvania |
| 46 | Elsie B Johnston | 50 | Wife | — | Pennsylvania |
| 47 | George Jr. Johnston | 22 | Son | Clerk | Pennsylvania |
| 48 | Alice Johnston THIS PERSON | 19 | Daughter | Assembler | Pennsylvania |
| 49 | William Johnston | 18 | Son | — | Pennsylvania |
| 50 | Frank Johnston | 16 | Son | — | Pennsylvania |
| 51 | Jean Johnston | 14 | Daughter | — | Pennsylvania |
| 52 | Arthur Johnston | 9 | Son | — | Pennsylvania |
| 53 | Fred Reuther | 45 | Head | Knitter | Indiana |
| 54 | Rachel B Reuther | 42 | Wife | — | Pennsylvania |
| 55 | Marguarite Reuther | 22 | Daughter | Sapper | Pennsylvania |
| 56 | Bertha Reuther | 12 | Daughter | — | Pennsylvania |
| 57 | Joan Reuther | 9 | Daughter | — | Pennsylvania |
| 58 | Rachel Reuther | 7 | Daughter | — | Pennsylvania |
| 59 | Marguarite Young | 81 | Mother in law | — | Pennsylvania |
| 60 | John Mcfadden | 35 | Head | Shipwright | Ireland |
| 61 | Helen E Mcfadden | 25 | Wife | — | Pennsylvania |
| 62 | Mary Mcfadden | 2 | Daughter | — | Pennsylvania |
| 63 | Thomas Infant Mcfadden | 0 | Son | — | Pennsylvania |
| 64 | Thomas Mcfadden | 75 | Father | — | Ireland |
| 65 | Bridget Mcfadden | 74 | Mother | — | Ireland |
| 66 | Wilfred Donovan | 35 | Head | Painter | Pennsylvania |
| 67 | Mary B Donovan | 29 | Wife | — | Pennsylvania |
| 68 | Gwendolyn Donovan | 10 | Daughter | — | Pennsylvania |
| 69 | Mary Donovan | 6 | Daughter | — | Pennsylvania |
| 70 | Joseph F. Shivers | 43 | Head | Electrician | Pennsylvania |
| 71 | Sarah E. Shivers | 43 | Wife | — | Pennsylvania |
| 72 | Joseph Jr. Shivers | 13 | Son | — | Pennsylvania |
| 73 | Eleanor Nicholl | 41 | Sister in law | — | Pennsylvania |
| 74 | Frederick Carlton | 43 | Head | Clerk | Pennsylvania |
| 75 | Marguarite G Carlton | 40 | Wife | — | New Jersey |
| 76 | Mildred Carlton | 13 | Daughter | — | Pennsylvania |
| 77 | Mary Carlton | 77 | Mother | — | Ireland |
| 78 | William A. H. Moore | 30 | Head | Repair Man | New Jersey |
| 79 | Helen E Moore | 27 | Wife | — | Pennsylvania |
| 80 | Willard D Moore | 5 | Son | — | 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)