MK
Mary Knox — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kings, New York
Our Model Tree links this Mary Knox across the 1910, 1920 and 1930 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a head (b.~1850), then head of a 4-person household.
Age 80
b. ~1850
Female
Head
Born: New York
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | Knox |
| Given Name | Mary C. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | New York |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | No. Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Radio Set | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Brooklyn Borough Ny City |
| Est. Birth Year | ~1850 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Pickard | Other | — | 41 | ~1889 |
| Arthur Hayes | Other | — | 34 | ~1896 |
| Mary Knox | Head | — | 80 | ~1850 |
| Hattie Knox | Daughter | — | 56 | ~1874 |
Census Appearances
1910
Kings, New …
Head, age 59
Kings, New York · implied b. ~1851 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knox |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | New York |
| Children Born | 4 |
| Children Living | 4 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Kings, New …
Head, age 69
Kings, New York · implied b. ~1851
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Knox |
| Given Name | Mary L |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Head, age 80
Kings, New York · implied b. ~1850 — 4 household members
| Surname | Knox |
| Given Name | Mary C. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | New York |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | No. Ireland |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Radio Set | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Knox 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 Knox
Head · 1930 · age 80 · b. ~1850 · 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:newyorkcensus00reel1528:0134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Branagan | 57 | Head | Heating | New York |
| 52 | Frank Branagan | 28 | Son | Chauffeur | New York |
| 53 | Thomas Branagan | 22 | Son | Conductor | New York |
| 54 | George Branagan | 14 | Son | — | New York |
| 55 | Mary C. Knox THIS PERSON | 80 | Head | — | New York |
| 56 | Hattie Knox | 56 | Daughter | — | New York |
| 57 | Arthur Hayes | 34 | Grandson | Clerk | New York |
| 58 | Thomas Pickard | 41 | Lodger | Gardener | Illinois |
| 59 | Louis Sweeney | 42 | Head | Broker | New York |
| 60 | Adeline Sweeney | 39 | Wife | — | New York |
| 61 | Janet Sweeney | 6 | Daughter | — | New York |
| 62 | Howard Sweeney | 3 | Son | — | New York |
| 63 | Margaret Kelly | 53 | Head | — | New York |
| 64 | Charles Fitzpatrick | 52 | Lodger | Hatter | New Hampshire |
| 65 | John Fitzpatrick | 60 | Lodger | Accountant | New Hampshire |
| 66 | Jesse Martin | 58 | Head | — | New York |
| 67 | Louise Martin | 48 | Sister | Clerk | New York |
| 68 | Francis Clark | 76 | Lodger | Agent | New York |
| 69 | Frank Sullivan | 48 | Head | Retired | New York |
| 70 | Mary Sullivan | 44 | Sister | — | New York |
| 71 | Nicholas Ras | 56 | Head | Music | Holland |
| 72 | Annie Ras | 55 | Wife | — | New York |
| 73 | Charles Garratt | 72 | Head | Retired | Kentucky |
| 74 | Bertha Garratt | 58 | Wife | — | New Jersey |
| 75 | Henry Cochran | 58 | Lodger | Salesman | New York |
| 76 | Herbert Reeves | 51 | Lodger | Salesman | New York |
| 77 | Lawrence Lyons | 29 | Lodger | Tester | New Hampshire |
| 78 | William Hanlon | 30 | Lodger | Mechanic | Penn. |
| 79 | Julia F. Dailey | 37 | Head | — | New York |
| 80 | Cora Wyckoff | 56 | Head | — | New York |
| 81 | Elizabeth Wyckoff | 25 | Tenant | — | New York |
| 82 | Walter Dahmer | 30 | Head | Clerk | New York |
| 83 | Vivian Dahmer | 28 | Wife | — | New Jersey |
| 84 | Walter Jr. Dahmer | 3 | Son | — | New York |
| 85 | Agnes Bissonnette | 65 | Mother-in-law | — | Fr. Canada |
| 86 | Joseph Rosenberg | 60 | Head | Retired | Russia |
| 87 | Rose Rosenberg | 53 | Wife | — | New York |
| 88 | Harold Rosenberg | 25 | Son | Salesman | New York |
| 89 | Beatrice Rosenberg | 14 | Son | — | New York |
| 90 | Sarah Beadel | 80 | Head | — | New York |
| 91 | Florence Beadel | 70 | Sister | — | New York |
| 92 | Arthur Cory | 54 | Head | Salesman | New York |
| 93 | Katherine Cory | 60 | Wife | — | New York |
| 94 | Mary Quinn | 62 | Head | — | Irish Free St. |
| 95 | Agnes Quinn | 31 | Daughter | Saleslady | New York |
| 96 | Helen Quinn | 27 | Daughter | — | New York |
| 97 | Morton Quinn | 28 | Son | Jeweler | New York |
| 98 | Teresa Quinn | 25 | Son | Operator | New York |
| 99 | Harry Cruze | 29 | Son-in-law | Salesman | New York |
| 100 | Harry Foster | 70 | Head | Messenger | 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)