MJ
Mary Johnston — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Venango, Pennsylvania
Our Model Tree links this Mary Johnston across the 1910, 1920, 1930 and 1940 US Censuses in Venango, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1865), then head of a 5-person household.
Age 55
b. ~1865
Female
Spouse
Born: Scotland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Venango, Pennsylvania |
| Surname | Johnston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1881 |
| Naturalization Status | Un |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Cranberry Township |
| Est. Birth Year | ~1865 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Johnston | Daughter | — | 30 | ~1890 |
| Robert Johnston | Head | — | 57 | ~1863 |
| George Johnston | Son | — | 17 | ~1903 |
| Robert Johnston | Son | — | 23 | ~1897 |
| Mary Johnston | Spouse | — | 55 | ~1865 |
Census Appearances
1910
Venango, Pennsylvania
Spouse, age 46
Venango, Pennsylvania · implied b. ~1864 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnstone |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Scotland |
| Years Married | 25 |
| Children Born | 5 |
| Children Living | 5 |
| Year of Immigration | 1884 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1920
Venango, Pennsylvania
Spouse, age 55
Venango, Pennsylvania · implied b. ~1865 — 5 household members
| Surname | Johnston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1881 |
| Naturalization Status | Un |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Venango, Pennsylvania
Head, age 66
Venango, Pennsylvania · implied b. ~1864 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnstone |
| Given Name | Mary W. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Home Value / Rent | $30 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Venango-County, Pennsylvania
Head, age 76
Venango-County, Pennsylvania · implied b. ~1864 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnstone |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| 1935 Residence (City) | no. out city Star Route. |
| 1935 Residence (County) | Venango |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Mary Johnston across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Johnston
Spouse · 1920 · age 55 · b. ~1865 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Venango, Pennsylvania
Open full size
1920 US Federal Census — Venango, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1656unit:0636)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Russell A | 26 | Son | Oil Well Worker | Pennsylvania |
| 52 | Robert | 24 | Son | Laborer | Pennsylvania |
| 53 | Charles A | 23 | Son | Truck Driver | Pennsylvania |
| 54 | Magee | 17 | Daughter | — | Pennsylvania |
| 55 | Ralph | 14 | Son | — | Pennsylvania |
| 56 | Nellie | 11 | Son | — | Pennsylvania |
| 57 | Edwin M Roller | 48 | Head | Oil Producer | Pennsylvania |
| 58 | Zelda Roller | 25 | Wife | — | West Va |
| 59 | Edwin Jr Roller | 2 | Son | — | Pennsylvania |
| 60 | Gladys Roller | 18 | Daughter | — | Pennsylvania |
| 61 | Joan Roller | 3 | Daughter | — | Pennsylvania |
| 62 | Margaret Hutchison | 77 | Mother in Law | — | Ireland |
| 63 | William H Rager | 33 | Head | Laborer | Pennsylvania |
| 64 | Maggie Rager | 32 | Wife | — | Pennsylvania |
| 65 | Orval Rager | 21 | Son | Laborer | Pennsylvania |
| 66 | Irene Rager | 18 | Daughter | — | Pennsylvania |
| 67 | Jerold Rager | 15 | Son | — | Pennsylvania |
| 68 | Ray Rager | 12 | Son | — | Pennsylvania |
| 69 | Herbert P Roberts | 38 | Head | Machinist | Pennsylvania |
| 70 | Myrtle Roberts | 36 | Wife | — | Pennsylvania |
| 71 | Beulah Roberts | 11 | Daughter | — | Pennsylvania |
| 72 | Florence Roberts | 8 | Daughter | — | Pennsylvania |
| 73 | Catherine Roberts | 7 | Daughter | — | Pennsylvania |
| 74 | Mary Griffith | 33 | Head | — | Pennsylvania |
| 75 | Andrew Griffith | 40 | Boarder | — | Pennsylvania |
| 76 | Charles A Eager | 28 | Boarder | Laborer | Pennsylvania |
| 77 | Cora Miller | 24 | Boarder | Teacher | Pennsylvania |
| 78 | Isabel Griffith | 16 | Daughter | — | Pennsylvania |
| 79 | Edward J Barnes | 48 | Head | Carpenter | Pennsylvania |
| 80 | Susanna M Barnes | 47 | Wife | — | Pennsylvania |
| 81 | Bertile E Barnes | 18 | Daughter | — | Pennsylvania |
| 82 | Ethel Barnes | 15 | Daughter | — | Pennsylvania |
| 83 | Charles Stuart | 55 | Boarder | — | Pennsylvania |
| 84 | David Oran | 47 | Head | Moulder | Pennsylvania |
| 85 | Anna Oran | 44 | Wife | — | Pennsylvania |
| 86 | Edward Oran | 17 | Son | — | Pennsylvania |
| 87 | Donald Oran | 12 | Son | — | Pennsylvania |
| 88 | Raymond Oran | 8 | Son | — | Pennsylvania |
| 89 | John S Jenkins | 50 | Head | Laborer | Pennsylvania |
| 90 | Agnes M Jenkins | 47 | Wife | — | Pennsylvania |
| 91 | Gordon M Stanton | 57 | Head | Carpenter | Pennsylvania |
| 92 | Mary Stanton | 58 | Wife | — | Pennsylvania |
| 93 | Robert Johnston | 57 | Head | Foreman | Scotland |
| 94 | Mary Johnston THIS PERSON | 55 | Wife | — | Scotland |
| 95 | Gertrude Johnston | 30 | Daughter | — | Pennsylvania |
| 96 | Robert F Johnston | 23 | Son | Roughneck | Pennsylvania |
| 97 | George A Johnston | 17 | Son | — | Pennsylvania |
| 98 | Ira Roan | 33 | Head | Moulder | Pennsylvania |
| 99 | Anna Roan | 32 | Wife | — | Pennsylvania |
| 100 | Frederick Roan | 2 | Son | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)