MJ
Marjorie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this Marjorie Johnson across the 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conemaugh |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Penn |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | East Conemaugh Borough |
| Est. Birth Year | ~1927 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marjorie | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Johnson | Daughter | — | 13 | ~1927 |
| D Johnson | Son | — | 11 | ~1929 |
| Harold Johnson | Head | — | 30 | ~1910 |
| Jacklin Johnson | Daughter | — | 15 | ~1925 |
| Carl Johnson | Son | — | 18 | ~1922 |
| Martha Johnson | Spouse | — | 27 | ~1913 |
Census Appearances
1930
Cambria, Pennsylvania
Daughter, age 2
Cambria, Pennsylvania · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marjorie J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Daughter, age 13
Cambria-County, Pennsylvania · implied b. ~1927 — 6 household members
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conemaugh |
| 1935 Residence (County) | Cambria |
| Highest Grade | Hs 1 |
| 1935 Residence | Penn |
| 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 Marjorie Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marjorie Johnson
Daughter · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Carl Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
D Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacklin Johnson
Sibling · 1940 · age 15
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 — Cambria-County, Pennsylvania
Open full size
1940 US Federal Census — Cambria-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03452-00511)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cyrus W Davis | 59 | Head | Sheriff | Pennsylvania |
| 2 | Mary E Davis | 59 | Wife | — | Pennsylvania |
| 3 | Cyrus W Jr Davis | 25 | Son | Deputy Sheriff | Pennsylvania |
| 4 | Edward Davis | 14 | Son | — | Pennsylvania |
| 5 | Charles Grove | 58 | Head | Craneman | Pennsylvania |
| 6 | Viola Grove | 51 | Wife | — | Pennsylvania |
| 7 | Effie Reed | 49 | Head | — | Pennsylvania |
| 8 | Albert Reed | 28 | Son | Steel Worker | Pennsylvania |
| 9 | Robt Reed | 25 | Son | Asphalt Man | Pennsylvania |
| 10 | Myrtle Reed | 23 | Daughter | — | Pennsylvania |
| 11 | James Davis | 55 | Lodger | Justice Of Peace | Pennsylvania |
| 12 | James L Snowden | 69 | Head | Clerk | Pennsylvania |
| 13 | Winnie C Snowden | 70 | Wife | — | Pennsylvania |
| 14 | Harold A Johnson | 30 | Head | Line Man | Pennsylvania |
| 15 | Martha J Johnson | 27 | Wife | — | Pennsylvania |
| 16 | Carl Johnson | 18 | Son | — | Pennsylvania |
| 17 | Jacklin Johnson | 15 | Daughter | — | Pennsylvania |
| 18 | Marjorie Johnson THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 19 | D. Dean Johnson | 11 | Son | — | Pennsylvania |
| 20 | Anthony C Mensel | 33 | Head | Clerk | Pennsylvania |
| 21 | Gertie Mensel | 30 | Wife | — | Pennsylvania |
| 22 | Judith Mensel | 9 | Daughter | — | Pennsylvania |
| 23 | Dorothy Mensel | 8 | Daughter | — | Pennsylvania |
| 24 | Anthony Jr Mensel | 6 | Son | — | Pennsylvania |
| 25 | Patricia Mensel | 4 | Daughter | — | Pennsylvania |
| 26 | Clarence Egolf | 56 | Head | Carpenter | Pennsylvania |
| 27 | Hestine Egolf | 50 | Wife | — | Denmark |
| 28 | Dorothy Egolf | 19 | Daughter | — | Pennsylvania |
| 29 | Harry Egolf | 16 | Son | — | Pennsylvania |
| 30 | Betty Egolf | 11 | Daughter | — | Pennsylvania |
| 31 | Mary Egolf | 9 | Daughter | — | Ohio |
| 32 | James E Graham | 60 | Head | Contractor | Pennsylvania |
| 33 | Maudel A Graham | 56 | Wife | — | Pennsylvania |
| 34 | Russell J Graham | 29 | Son | Steel Worker | Pennsylvania |
| 35 | Edward Leaf | 57 | Head | School Teacher | Indiana |
| 36 | Estella Leaf | 50 | Wife | — | Pennsylvania |
| 37 | Vivian Leaf | 8 | Daughter | — | Pennsylvania |
| 38 | Ronald Leaf | 2 | Son | — | Pennsylvania |
| 39 | John L Riblet | 69 | Head | — | Pennsylvania |
| 40 | Myrtle Riblet | 60 | 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)