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Helen Mcdonald — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Helen Mcdonald across the 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 8-person household.
Age 12
b. ~1908
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| 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 | ~1908 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| William Mcdonald | Son | — | 9 | ~1911 |
| Catherine Mcdonald | Spouse | — | 50 | ~1870 |
| Francis Mcdonald | Son | — | 18 | ~1902 |
| John Mcdonald | Son | — | 15 | ~1905 |
| Margaret Mcdonald | Daughter | — | 10 | ~1910 |
| Daniel Mcdonald | Son | — | 20 | ~1900 |
| Helen Mcdonald | Daughter | — | 12 | ~1908 |
| Thomas Mcdonald | Head | — | 48 | ~1872 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 2
Philadelphia, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Helen |
| 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 |
1920
Philadelphia, Pennsylvania
Daughter, age 12
Philadelphia, Pennsylvania · implied b. ~1908 — 8 household members
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| 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 Helen Mcdonald across 2 US Census years (1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Mcdonald
Daughter · 1920 · age 12 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Francis Mcdonald
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcdonald
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcdonald
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Mcdonald
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcdonald
Sibling · 1920 · 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
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:1920:14thcensusofpopu1624unit:1097)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Dunak | 36 | Head | Labor | Poland |
| 52 | Helen Dunak | 36 | Wife | — | Poland |
| 53 | Helen Dunak | 12 | Daughter | — | Pennsylvania |
| 54 | Stella Dunak | 9 | Daughter | — | Pennsylvania |
| 55 | Antony Dunak | 7 | Son | — | Pennsylvania |
| 56 | Agnes Dunak | 5 | Daughter | — | Pennsylvania |
| 57 | Sophie Dunak | 3 | Daughter | — | Pennsylvania |
| 58 | Louis Vodinski | 40 | Head | — | Poland |
| 59 | Helen Vodinski | 38 | Wife | Labor | Poland |
| 60 | Sophie Vodinski | 18 | Daughter | — | Pennsylvania |
| 61 | John Vodinski | 14 | Son | Worker | Pennsylvania |
| 62 | George Vodinski | 12 | Son | — | Pennsylvania |
| 63 | Stanley Vodinski | 10 | Son | — | Pennsylvania |
| 64 | James Vodinski | 8 | Son | — | Pennsylvania |
| 65 | Francis Vodinski | 7 | Son | — | Pennsylvania |
| 66 | Frank Mcbryski | 31 | Head | — | Poland |
| 67 | Stella Mcbryski | 29 | Wife | Core Maker | Poland |
| 68 | Frances Mcbryski | 9 | Daughter | — | Pennsylvania |
| 69 | Julia Mcbryski | 8 | Daughter | — | Pennsylvania |
| 70 | Stella Mcbryski | 6 | Daughter | — | Pennsylvania |
| 71 | Joe Binkoski | 20 | Lodger | Labor | Pennsylvania |
| 72 | Thomas Cardayaski | 30 | Head | Labor | Poland |
| 73 | Rose Cardayaski | 30 | Wife | Labor | Poland |
| 74 | Helen Cardayaski | 7 | Daughter | — | Pennsylvania |
| 75 | Kate Cardayaski | 6 | Daughter | — | Pennsylvania |
| 76 | Dan Cardayaski | 4 | Son | — | Pennsylvania |
| 77 | John Cardayaski | 1 | Son | — | Pennsylvania |
| 78 | Thomas Mcdonald | 48 | Head | Driver | Ireland |
| 79 | Catherine Mcdonald | 50 | Wife | — | Pennsylvania |
| 80 | Daniel Mcdonald | 20 | Son | Worker | Pennsylvania |
| 81 | Francis Mcdonald | 18 | Son | Worker | Pennsylvania |
| 82 | John Mcdonald | 15 | Son | — | Pennsylvania |
| 83 | Helen Mcdonald THIS PERSON | 12 | Daughter | — | Pennsylvania |
| 84 | Margaret Mcdonald | 10 | Daughter | — | Pennsylvania |
| 85 | William Mcdonald | 9 | Son | — | Pennsylvania |
| 86 | Lawrence Valeski | 36 | Head | Labor | Poland |
| 87 | Rose Valeski | 35 | Wife | — | Poland |
| 88 | Helen Valeski | 7 | Daughter | — | Pennsylvania |
| 89 | Samuel Valeski | 6 | Son | — | Pennsylvania |
| 90 | Victor Valeski | 5 | Son | — | Pennsylvania |
| 91 | Catherine Valeski | 3 | Daughter | — | Pennsylvania |
| 92 | Kate Valeski | 2 | Daughter | — | Pennsylvania |
| 93 | John Valeski | 0 | Son | — | Pennsylvania |
| 94 | Andrew Trinton | 42 | Head | Store Keep | Poland |
| 95 | Helen Trinton | 22 | Wife | — | Poland |
| 96 | Ethel Trinton | 2 | Daughter | — | Pennsylvania |
| 97 | Margaret Trinton | 0 | Daughter | — | Pennsylvania |
| 98 | Samuel Polcino | 31 | Head | Barber | Italy |
| 99 | Emigdia Polcino | 24 | Wife | — | Italy |
| 100 | John Polcino | 2 | Son | — | Italy |
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)