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Margaret Black — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Margaret Black across the 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 8-person household.
Age 10
b. ~1910
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Black |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1910 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Black | Daughter | — | 10 | ~1910 |
| Robert Black | Head | — | 34 | ~1886 |
| Mary Black | Spouse | — | 33 | ~1887 |
| Bessie Black | Daughter | — | 14 | ~1906 |
| Veronca Black | Daughter | — | 4 | ~1916 |
| Mary Black | Daughter | — | 8 | ~1912 |
| Isabella Black | Daughter | — | 12 | ~1908 |
| John Black | Son | — | 2 | ~1918 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age
Philadelphia, Pennsylvania · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Margaret |
| 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 |
1920
Philadelphia, Pennsylvania
Daughter, age 10
Philadelphia, Pennsylvania · implied b. ~1910 — 8 household members
| Surname | Black |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Margaret Black across 2 US Census years (1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Black
Daughter · 1920 · age 10 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Bessie Black
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabella Black
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Black
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronca Black
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Black
Sibling · 1920 · age 8
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
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1622unit:0506)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter G Reese | 0 | Son | — | Pennsylvania |
| 2 | Robert J Black | 34 | Head | Driver | Pennsylvania |
| 3 | Mary Black | 33 | Wife | — | Pennsylvania |
| 4 | Bessie E Black | 14 | Daughter | Service | Pennsylvania |
| 5 | Isabella Black | 12 | Daughter | — | Pennsylvania |
| 6 | Margaret Black THIS PERSON | 10 | Daughter | — | Pennsylvania |
| 7 | Mary Black | 8 | Daughter | — | Pennsylvania |
| 8 | Veronca Black | 4 | Daughter | — | Pennsylvania |
| 9 | John P Black | 2 | Son | — | Pennsylvania |
| 10 | Cecelia E Mitchell | 33 | Head | Operator | Pennsylvania |
| 11 | William H Biggar | 38 | Head | Machinist | Scotland |
| 12 | Mary Biggar | 40 | Wife | — | Pennsylvania |
| 13 | Thomas Biggar | 16 | Son | Printer | Pennsylvania |
| 14 | Mary Biggar | 12 | Daughter | General Work | Pennsylvania |
| 15 | Joseph Biggar | 4 | Son | — | Pennsylvania |
| 16 | Martha E Biggar | 1 | Daughter | — | Pennsylvania |
| 17 | Thomas Thomas | 47 | Head | Driver | Pennsylvania |
| 18 | Mary Thomas | 41 | Wife | — | England |
| 19 | Elizabeth Thomas | 12 | Daughter | — | Pennsylvania |
| 20 | Thomas Thomas | 10 | Son | — | Pennsylvania |
| 21 | Claire Thomas | 8 | Daughter | — | Pennsylvania |
| 22 | Joseph Thomas | 5 | Son | — | Pennsylvania |
| 23 | John Thomas | 2 | Son | — | Pennsylvania |
| 24 | James J Dougherty | 47 | Head | Machinist | Pennsylvania |
| 25 | Sarah E Dougherty | 41 | Wife | — | New Jersey |
| 26 | Edward Dougherty | 26 | Son | Laborer | Pennsylvania |
| 27 | Francis Dougherty | 16 | Son | Utility | Pennsylvania |
| 28 | Margaret Dougherty | 13 | Daughter | — | Pennsylvania |
| 29 | James Flanagan | 77 | Father-in-law | — | England |
| 30 | Matthew Valade | 28 | Head | Machinist | Hungary |
| 31 | Pauline Valade | 29 | Wife | — | Hungary |
| 32 | Matthew Valade | 4 | Son | — | Pennsylvania |
| 33 | John Valade | 4 | Son | — | Pennsylvania |
| 34 | Irene Valade | 2 | Daughter | — | Pennsylvania |
| 35 | Amelia Valade | 1 | Daughter | — | Pennsylvania |
| 36 | Enock Heidle | 24 | Boarder | Cleaner | Hungary |
| 37 | George J Keyes | 41 | Head | Laborer | Pennsylvania |
| 38 | Margaret E Keyes | 31 | Wife | — | Pennsylvania |
| 39 | Irene M Keyes | 11 | Daughter | — | Pennsylvania |
| 40 | Anna E Keyes | 11 | Daughter | — | Pennsylvania |
| 41 | Elizabeth F Keyes | 8 | Daughter | — | Pennsylvania |
| 42 | George Keyes | 4 | Son | — | Pennsylvania |
| 43 | Gertrude Keyes | 1 | Daughter | — | Pennsylvania |
| 44 | John Keyes | 0 | Son | — | Pennsylvania |
| 45 | Patrick Murray | 47 | Head | Foreman | Ireland |
| 46 | Agnes Murray | 42 | Wife | — | Pennsylvania |
| 47 | John M Murray | 22 | Son | Laborer | Pennsylvania |
| 48 | William Murray | 19 | Son | Driver | Pennsylvania |
| 49 | Marie Murray | 16 | Daughter | Operator | Pennsylvania |
| 50 | Agnes V Murray | 10 | Daughter | — | 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)