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Mary Mack — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Berkshire, Massachusetts
Our Model Tree links this Mary Mack across the 1920 and 1930 US Censuses in Berkshire, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 11-person household.
Age 15
b. ~1905
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Berkshire, Massachusetts |
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | North Adams City |
| Est. Birth Year | ~1905 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Catherine Mack | Daughter | — | 13 | ~1907 |
| Catherine Mack | Head | — | 39 | ~1881 |
| David Mack | Son | — | 17 | ~1903 |
| William Mack | Son | — | 9 | ~1911 |
| Francis Mack | Son | — | 2 | ~1918 |
| Alice Mack | Daughter | — | 11 | ~1909 |
| Robert Mack | Son | — | 7 | ~1913 |
| Edward Mack | Son | — | 4 | ~1916 |
| James Mack | Son | — | ~1920 | |
| Mary Mack | Daughter | — | 15 | ~1905 |
| John Mack | Son | — | 1 | ~1919 |
Census Appearances
1920
Berkshire, Massachusetts
Daughter, age 15
Berkshire, Massachusetts · implied b. ~1905 — 11 household members
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Berkshire, Massachusetts
Daughter, age 25
Berkshire, Massachusetts · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mace |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Vermont |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Mack across 2 US Census years (1920 and 1930) in Berkshire, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mack
Daughter · 1920 · age 15 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Robert Mack
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mack
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Mack
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mack
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mack
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mack
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mack
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mack
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mack
Sibling · 1920 · age 13
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 — Berkshire, Massachusetts
Open full size
1920 US Federal Census — Berkshire, Massachusetts
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu681unit:0501)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mildred Shankland | 0 | Daughter | — | Massachusetts |
| 52 | William F. Smith | 49 | Head | — | Massachusetts |
| 53 | Alice Smith | 37 | Wife | Stitcher | Massachusetts |
| 54 | William Smith | 18 | Son | — | Massachusetts |
| 55 | Mary Smith | 14 | Daughter | — | Massachusetts |
| 56 | Joseph Roberts | 30 | Head | Beamer | Massachusetts |
| 57 | Blanche Roberts | 25 | Wife | Lumber | Massachusetts |
| 58 | John Roberts | 4 | Daughter | — | Massachusetts |
| 59 | Catherine Mack | 39 | Head | — | Massachusetts |
| 60 | David James Mack | 17 | Son | Boxer | Massachusetts |
| 61 | William Mack | 9 | Son | — | Massachusetts |
| 62 | Robert Mack | 7 | Son | — | Massachusetts |
| 63 | Edward Mack | 4 | Son | — | Massachusetts |
| 64 | Francis Mack | 2 | Son | — | Massachusetts |
| 65 | John Mack | 1 | Son | — | Massachusetts |
| 66 | James Mack | 0 | Son | — | Massachusetts |
| 67 | Mary Mack THIS PERSON | 15 | Daughter | — | Massachusetts |
| 68 | Catherine Mack | 13 | Daughter | — | Massachusetts |
| 69 | Alice Mack | 11 | Daughter | — | Massachusetts |
| 70 | Patrick Mccue | 43 | Head | — | Ireland |
| 71 | Anna Mccue | 38 | Wife | — | Massachusetts |
| 72 | Patrick Mccue | 13 | Son | — | Massachusetts |
| 73 | Nellie Mccue | 2 | Daughter | — | Massachusetts |
| 74 | Mary Benoit | 56 | Head | — | Canada |
| 75 | Gerald Williams | 28 | Head | — | Ireland |
| 76 | Teresa Williams | 27 | Wife | — | Ireland |
| 77 | John Williams | 2 | Son | — | Massachusetts |
| 78 | Leo Brooks | 28 | Head | St. Framer | Massachusetts |
| 79 | Anna Brooks | 21 | Wife | — | Massachusetts |
| 80 | Flora Brooks | 0 | Daughter | — | Massachusetts |
| 81 | William Brooks | 1 | Son | — | Massachusetts |
| 82 | James Martin | 34 | Head | — | Ireland |
| 83 | Hannah Martin | 35 | Wife | — | Ireland |
| 84 | James Martin | 11 | Son | — | Massachusetts |
| 85 | Mary Martin | 9 | Daughter | — | Massachusetts |
| 86 | Alice Martin | 7 | Daughter | — | Massachusetts |
| 87 | William Martin | 3 | Son | — | Massachusetts |
| 88 | James Lavin | 31 | Head | — | Massachusetts |
| 89 | Gertrude Lavin | 28 | Wife | — | Massachusetts |
| 90 | James Lavin | 1 | Son | — | Massachusetts |
| 91 | Gertrude Lavin | 0 | Daughter | — | Massachusetts |
| 92 | Louis Spada | 40 | Head | Laborer | Italy |
| 93 | Catherine Spada | 40 | Wife | — | Italy |
| 94 | John Spada | 15 | Son | — | Massachusetts |
| 95 | Virginia Spada | 13 | Daughter | — | Massachusetts |
| 96 | James Lyons | 49 | Head | Machinist | New York |
| 97 | Mabel Lyons | 45 | Wife | — | New York |
| 98 | Ellen Lyons | 23 | Daughter | Nurse | Massachusetts |
| 99 | Margaret Lyons | 13 | Daughter | — | Massachusetts |
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)