NJ
Norma Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Norma Johnson across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 11-person household.
Age 10
b. ~1930
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Norma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharpsburg Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Sharpsburg Boro |
| Est. Birth Year | ~1930 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Norma | Age | Birth yr |
|---|---|---|---|---|
| Mary Johnson | Other | — | 25 | ~1915 |
| Marylouise Johnson | Daughter | — | 9 | ~1931 |
| Richard Johnson | Son | — | 7 | ~1933 |
| Lawrence Johnson | Other | — | 20 | ~1920 |
| Margaret Johnson | Other | — | 39 | ~1901 |
| Catherine Johnson | Other | — | 28 | ~1912 |
| Norman Johnson | Head | — | 36 | ~1904 |
| Thomas Johnson | Son | — | 1 | ~1939 |
| Carole Johnson | Daughter | — | 4 | ~1936 |
| Norma Johnson | Daughter | — | 10 | ~1930 |
| Mercedes Johnson | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Norma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 10
Allegheny-County, Pennsylvania · implied b. ~1930 — 11 household members
| Surname | Johnson |
| Given Name | Norma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharpsburg Boro |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 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 Norma Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Norma Johnson
Daughter · 1940 · age 10 · b. ~1930 · Pennsylvania
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Sibling
Carole Johnson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Johnson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marylouise Johnson
Sibling · 1940 · age 9
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 — 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-t0627-03417-00432)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kazimierz Ludycz | 46 | Head | Steward | Poland |
| 2 | Margaret Ludycz | 49 | Wife | — | Poland |
| 3 | Helen Ludycz | 20 | Daughter | — | Pennsylvania |
| 4 | John Ludycz | 18 | Son | — | Pennsylvania |
| 5 | Frank Ludycz | 16 | Son | — | Pennsylvania |
| 6 | Amelia Ludycz | 14 | Daughter | — | Pennsylvania |
| 7 | Herman O'Konski | 27 | Head | Laborer | Pennsylvania |
| 8 | Grace O'Konski | 23 | Wife | — | Pennsylvania |
| 9 | Audrey O'Konski | 5 | Daughter | — | Pennsylvania |
| 10 | Herman Jr. O'Konski | 1 | Son | — | Pennsylvania |
| 11 | Vincent Wyzykowski | 27 | Head | Butcher | Pennsylvania |
| 12 | Mary Wyzykowski | 26 | Wife | — | Pennsylvania |
| 13 | Norman Johnson | 36 | Head | Laborer | Pennsylvania |
| 14 | Mercedes Johnson | 33 | Wife | — | Pennsylvania |
| 15 | Norma Johnson THIS PERSON | 10 | Daughter | — | Pennsylvania |
| 16 | Marylouise Johnson | 9 | Daughter | — | Pennsylvania |
| 17 | Richard Johnson | 7 | Son | — | Pennsylvania |
| 18 | Carole Johnson | 4 | Daughter | — | Pennsylvania |
| 19 | Thomas Johnson | 1 | Son | — | Pennsylvania |
| 20 | Margaret Johnson | 39 | Sister | Telephone Operator | Pennsylvania |
| 21 | Catherine Johnson | 28 | Sister | Bookkeeper | Pennsylvania |
| 22 | Mary Grace Johnson | 25 | Sister | Sales Clerk | Pennsylvania |
| 23 | Lawrence Johnson | 20 | Brother | Laborer | Pennsylvania |
| 24 | Harry L. Powers | 47 | Head | Roll Picker | Pennsylvania |
| 25 | Margaret Powers | 44 | Wife | — | Pennsylvania |
| 26 | Thomas Powers | 17 | Son | — | Pennsylvania |
| 27 | Patricia Powers | 9 | Daughter | — | Pennsylvania |
| 28 | Ludwig Frederick | 50 | Head | — | Germany |
| 29 | Frances Frederick | 55 | Wife | — | Germany |
| 30 | Anthony Bogacki | 57 | Head | Laborer | Poland |
| 31 | Anthony Jr. Bogacki | 25 | Son | Laborer | Pennsylvania |
| 32 | Lucy Bogacki | 13 | Daughter | — | Pennsylvania |
| 33 | Alice Bogacki | 8 | Daughter | — | Pennsylvania |
| 34 | Anastasia Claus | 21 | Daughter | — | Pennsylvania |
| 35 | Clarence Claus | 23 | Son-in-law | Laborer | Pennsylvania |
| 36 | Joanne Claus | 2 | Granddaughter | — | Pennsylvania |
| 37 | Melchior Wisniewski | 36 | Head | Laborer | Pennsylvania |
| 38 | Nancy Wisniewski | 34 | Wife | — | Pennsylvania |
| 39 | Dorothy Wisniewski | 13 | Daughter | — | Pennsylvania |
| 40 | Clara Wisniewski | 11 | Daughter | — | 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)