MW
Mary Williamson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kings, New York
Our Model Tree links this Mary Williamson across the 1910, 1920 and 1930 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a head (b.~1853), then head of a 2-person household.
Age 77
b. ~1853
Female
Head
Born: Scotland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | Williamson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1888 |
| Age at First Marriage | 25 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Radio Set | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | New York City Brooklyn Borough |
| 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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jane Kennedy | Daughter | — | 54 | ~1876 |
| Mary Williamson | Head | — | 77 | ~1853 |
Census Appearances
1910
Kings, New …
Head, age 56
Kings, New York · implied b. ~1854 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| Children Born | 2 |
| Children Living | 1 |
| Year of Immigration | 1885 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Spinner |
| Industry | Jute mill |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1920
Kings, New …
Head, age 66
Kings, New York · implied b. ~1854 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| Year of Immigration | 1866 |
| Naturalization Status | Un |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Kings, New …
Head, age 77
Kings, New York · implied b. ~1853 — 2 household members
| Surname | Williamson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1888 |
| Age at First Marriage | 25 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Radio Set | No |
| 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 Williamson across 3 US Census years (1910, 1920 and 1930) in Kings, New York, using XGBoost record linkage.
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This person
Anchor record
Mary Williamson
Head · 1930 · age 77 · b. ~1853 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Kings, New York
Open full size
1930 US Federal Census — Kings, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1521:0193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Kragei | 16 | Son | Messenger | New York |
| 2 | Lillian Kragei | 14 | Daughter | — | New York |
| 3 | Thomas Kragei | 11 | Son | — | New York |
| 4 | Martin Kragei | 7 | Son | — | New York |
| 5 | Samuel Winning | 74 | Head | Painter | Scotland |
| 6 | Margaret Winning | 75 | Wife-H | — | Scotland |
| 7 | William Winning | 42 | Son | — | New York |
| 8 | Robert Winning | 17 | Son | — | New York |
| 9 | James Robertson | 30 | Boarder | Mason | Scotland |
| 10 | Mary Strachan | 35 | Boarder | Assembler | Scotland |
| 11 | Joseph Pielechowy | 43 | Head | Laborer | Poland |
| 12 | Mary Pielechowy | 47 | Wife-H | Packer | Poland |
| 13 | Mary Williamson THIS PERSON | 77 | Head | — | Scotland |
| 14 | Jane Kennedy | 54 | Daughter | — | Scotland |
| 15 | Antonio Quintana | 43 | Head | Laborer | Cuba |
| 16 | Rosalia Quintana | 39 | Wife-H | — | Cuba |
| 17 | Anthony Quintana | 17 | Son | Laborer | Cuba |
| 18 | Marie H. Quintana | 16 | Daughter | — | Cuba |
| 19 | Selzo Quintana | 14 | Son | — | Cuba |
| 20 | Milla Quintana | 7 | Daughter | — | Cuba |
| 21 | Wilfred Quintana | 3 | Son | — | Cuba |
| 22 | Petra Milan | 46 | Boarder | — | Cuba |
| 23 | Lino Blasini | 40 | Boarder | Laborer | Cuba |
| 24 | Irene Olardowski | 9 | Daughter | — | New York |
| 25 | Florence Olardowski | 7 | Daughter | — | New York |
| 26 | Maida Cohen | 43 | Head | Finisher | Russia |
| 27 | Frank Cohen | 19 | Son | Comptometer | New York |
| 28 | Rose Cohen | 17 | Daughter | — | New York |
| 29 | Morris Katkowsky | 33 | Head | Carpenter | Russia |
| 30 | Gitta Katkowsky | 32 | Wife-H | — | Russia |
| 31 | Irving Katkowsky | 14 | Son | — | New York |
| 32 | Mary Katkowsky | 12 | Daughter | — | New York |
| 33 | Tillie Katkowsky | 4 | Daughter | — | New York |
| 34 | Elizabeth Conradi | 34 | Head | Waitress | New York |
| 35 | Edward Conradi | 14 | Son | — | New York |
| 36 | Alex Nowak | 38 | Head | Laborer | Russia |
| 37 | Helen Nowak | 38 | Wife-H | — | Russia |
| 38 | Norma Nowak | 19 | Daughter | — | New York |
| 39 | Bella Nowak | 13 | Daughter | — | New York |
| 40 | Peter Nowak | 7 | Son | — | New York |
| 41 | John Kroslowski | 56 | Head | Laborer | Czechoslovakia |
| 42 | Elizabeth Kroslowski | 19 | Daughter-H | Operator | Pennsylvania |
| 43 | Anna Mulico | 19 | Boarder | Assembler | New York |
| 44 | David Feldman | 49 | Head | Waiter | Poland |
| 45 | Lena Feldman | 48 | Wife-H | — | Poland |
| 46 | Ella Feldman | 16 | Daughter | — | New York |
| 47 | John Marcus | 28 | Head | Chauffeur | Roumania |
| 48 | Nellie Marcus | 25 | Wife-H | — | Pennsylvania |
| 49 | Catherine Marcus | 6 | Daughter | — | Pennsylvania |
| 50 | Florence Marcus | 5 | Daughter | — | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)