MJ
Mary Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Johnson across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1853), then head of a 8-person household.
Age 67
b. ~1853
Female
Spouse
Born: England
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1876 |
| Birthplace (normalized) | england |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1853 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Quigley | Daughter | — | 41 | ~1879 |
| Catherine Johnson | Daughter | — | 30 | ~1890 |
| Edward Johnson | Head | — | 69 | ~1851 |
| Thomas Quigley | Other | — | 14 | ~1906 |
| Harriett Quigley | Other | — | 7 | ~1913 |
| Mary Quigley | Other | — | 11 | ~1909 |
| Frank Johnson | Son | — | 27 | ~1893 |
| Mary Johnson | Spouse | — | 67 | ~1853 |
Census Appearances
Spouse, age 47
Allegheny, Pennsylvania · implied b. ~1853 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | England |
| Birth Month | Oct |
| Birth Year | 1853 |
| Year of Immigration | 1885 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
1910
Allegheny, Pennsylvania
Spouse, age 56
Allegheny, Pennsylvania · implied b. ~1854 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | England |
| Years Married | 25 |
| Children Born | 11 |
| Children Living | 6 |
| Year of Immigration | 1880 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Birth Country | England |
| Birthplace (normalized) | england |
1920
Allegheny, Pennsylvania
Spouse, age 67
Allegheny, Pennsylvania · implied b. ~1853 — 8 household members
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1876 |
| Birthplace (normalized) | england |
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 Johnson across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Johnson
Spouse · 1920 · age 67 · b. ~1853 · 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 — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1526unit:0796)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Garver | 12 | Son | None | Penna |
| 2 | Walter Garver | 10 | Son | None | Penna |
| 3 | Clarence Garver | 5 | Son | None | Penna |
| 4 | William Garver | 3 | Son | None | Penna |
| 5 | Barbara Garver | 1 | daughter | None | Penna |
| 6 | Herman Drexall | 29 | Head | Repairman | Penna |
| 7 | Clara Drexall | 29 | wife | None | Penna |
| 8 | John Drexall | 6 | son | None | Penna |
| 9 | Melva Drexall | 5 | daughter | None | Penna |
| 10 | Herman Springot | 32 | head | Machinist | Germany |
| 11 | Annie Springot | 32 | wife | None | Penna |
| 12 | Anna Springot | 11 | daughter | None | Penna |
| 13 | Elizabeth Springot | 8 | daughter | None | Penna |
| 14 | Marguerite Springot | 6 | daughter | None | Penna |
| 15 | Herman Springot | 1 | son | None | Penna |
| 16 | Wm Steinheiser | 47 | head | Mechanic | Penna |
| 17 | Ida Steinheiser | 30 | wife | None | Penna |
| 18 | Wm Steinheiser | 17 | son | None | Penna |
| 19 | Gerard Steinheiser | 4 | son | None | Penna |
| 20 | Jean Steinheiser | 3 | daughter | None | Penna |
| 21 | Charles Steinheiser | 2 | son | None | Penna |
| 22 | John Snyder | 61 | head | None | Germany |
| 23 | Edward Johnson | 69 | head | None | Penna |
| 24 | Mary Johnson THIS PERSON | 67 | wife | None | England |
| 25 | Frank Johnson | 27 | son | Chemist | Penna |
| 26 | Catherine Johnson | 30 | daughter | Saleslady | Penna |
| 27 | Mary Quigley | 41 | daughter | None | Penna |
| 28 | Thomas Quigley | 14 | grandson | None | Penna |
| 29 | Mary Quigley | 11 | granddaughter | None | Penna |
| 30 | Harriett Quigley | 7 | granddaughter | None | Penna |
| 31 | Elizabeth Born | 78 | head | None | Germany |
| 32 | Margaret Born | 38 | daughter | Teacher | Pennsylvania |
| 33 | Josephine Leibeck | 38 | lodger | Seamstress | Penna |
| 34 | Anna J De Long | 80 | head | None | Penna |
| 35 | Adam Blickle | 42 | head | Salesman | Ohio |
| 36 | Blanche Blickle | 35 | wife | None | Ohio |
| 37 | Bernice Blickle | 11 | daughter | None | Penna |
| 38 | Arthur Blickle | 8 | son | None | Penna |
| 39 | Norman Blickle | 5 | son | None | Penna |
| 40 | Charles Blickle | 52 | brother | Salesman | Ohio |
| 41 | Delia Fahey | 23 | servant | Servant | Ireland |
| 42 | Julius Ludwig | 64 | head | Florist | Germany |
| 43 | Minnie Ludwig | 62 | wife | None | Penna |
| 44 | Wm Hinkel | 88 | father-in-law | None | Germany |
| 45 | John Corbet | 46 | head | Electroplater | Penna |
| 46 | Margaret Corbet | 45 | wife | None | Penna |
| 47 | Jane Corbet | 23 | daughter | Stenographer | Penna |
| 48 | John Corbet | 10 | son | None | Penna |
| 49 | Augusta Hess | 37 | head | None | Penna |
| 50 | Caroline Hess | 14 | daughter | None | Penna |
Related Census Records
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)