MK
Mary Knox — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Litchfield, Connecticut
Our Model Tree links this Mary Knox across the 1920 and 1930 US Censuses in Litchfield, Connecticut (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 8-person household.
Age 46
b. ~1884
Female
Spouse
Born: Connecticut
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Litchfield, Connecticut |
| Surname | Knox |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 18 |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Connecticut |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Township / Ward | Reynolds Bridge |
| Est. Birth Year | ~1884 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Clarence Knox | Son | — | 12 | ~1918 |
| Earl Knox | Son | — | 1 | ~1929 |
| William Knox | Head | — | 46 | ~1884 |
| Irene Knox | Other | — | ~1930 | |
| Wilfred Knox | Son | — | 17 | ~1913 |
| Lina Knox | Daughter | — | ~1930 | |
| Mary Knox | Spouse | — | 46 | ~1884 |
| Alice Knox | Daughter | — | 3 | ~1927 |
Census Appearances
1920
Litchfield, Connecticut
Spouse, age 36
Litchfield, Connecticut · implied b. ~1884 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knox |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Connecticut |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Litchfield, Connecticut
Spouse, age 46
Litchfield, Connecticut · implied b. ~1884 — 8 household members
| Surname | Knox |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 18 |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Connecticut |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 2 US Census years (1920 and 1930) in Litchfield, Connecticut, using XGBoost record linkage.
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This person
Anchor record
Mary Knox
Spouse · 1930 · age 46 · b. ~1884 · Connecticut
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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 — Litchfield, Connecticut
Open full size
1930 US Federal Census — Litchfield, Connecticut
Page Contents
50 people indexed on this census page (ia:1930:15thcensus270unit:0154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Brazee | 50 | Head | Decorator | New York |
| 2 | Babe Brazee | 3 | Wife | None | Connecticut |
| 3 | Augustus Matthews | 42 | Head | Roller | Rhode Island |
| 4 | Mildred Matthews | 34 | Wife | None | Connecticut |
| 5 | William B. Matthews | 67 | Father-in-law | Bench Work | England |
| 6 | Maurice A'Heard | 27 | Head | Plumber | Vermont |
| 7 | Edythe A'Heard | 20 | Wife | None | Connecticut |
| 8 | William Knox | 46 | Head | Farming | Connecticut |
| 9 | Mary Knox THIS PERSON | 46 | Wife | None | Connecticut |
| 10 | Wilfred Knox | 17 | Son | None | Connecticut |
| 11 | Clarence Knox | 12 | Son | Mechanic | Connecticut |
| 12 | Alice Knox | 3 | Daughter | None | Connecticut |
| 13 | Earl Knox | 1 | Son | None | Connecticut |
| 14 | Lina Knox | 0 | Daughter | None | Connecticut |
| 15 | Irene Knox | 0 | Granddaughter | None | Connecticut |
| 16 | William H. Dunbar | 76 | Head | None | Connecticut |
| 17 | Harriet Dunbar | 67 | Wife | None | Connecticut |
| 18 | Frederick Parce | 58 | Head | Machinist | Connecticut |
| 19 | Mamie Parce | 61 | Wife | None | Massachusetts |
| 20 | Hyliam H. Baldwin | 63 | Head | Packer | Connecticut |
| 21 | Jessie Baldwin | 60 | Wife | None | Connecticut |
| 22 | James C. Foley | 37 | Head | Farmer | Connecticut |
| 23 | Emma Foley | 45 | Wife | None | Connecticut |
| 24 | Alexis Foley | 11 | Daughter | None | Connecticut |
| 25 | Bernette Foley | 9 | Son | None | Connecticut |
| 26 | June Foley | 5 | Daughter | None | Connecticut |
| 27 | Ruth Foley | 2 | Daughter | None | Connecticut |
| 28 | James Foley | 65 | Head | Tubing | Massachusetts |
| 29 | Edward Wilson | 27 | Head | Roller | Connecticut |
| 30 | Bernice B. Wilson | 24 | Wife | None | Connecticut |
| 31 | Raymond A. Wilson | 3 | Son | None | Connecticut |
| 32 | Samuel Whiteley | 35 | Head | Machinist | Connecticut |
| 33 | Mildred Whiteley | 26 | Wife | None | Connecticut |
| 34 | Grace A. Whiteley | 11 | Daughter | None | Connecticut |
| 35 | Robert M. Whiteley | 5 | Son | None | Connecticut |
| 36 | Bernice B. Whiteley | 2 | Daughter | None | Connecticut |
| 37 | Ada Buckingham | 58 | Head | None | England |
| 38 | Fred Buckingham | 22 | Son | Electrician | Connecticut |
| 39 | Chester Sherman | 50 | Boarder | Laborer | Ohio |
| 40 | Raymond Wells | 5 | Nephew | None | Connecticut |
| 41 | Herbert Burdick | 52 | Boarder | Forestry | Connecticut |
| 42 | Elmer Davis | 25 | Head | Truck Driver | Connecticut |
| 43 | Frances Davis | 25 | Wife | None | Connecticut |
| 44 | Chester Davis | 8 | Son | None | Connecticut |
| 45 | Virginia Davis | 5 | Daughter | None | Connecticut |
| 46 | Edward Davis | 1 | Son | None | Connecticut |
| 47 | Howard Purdy | 32 | Head | Fireman | Connecticut |
| 48 | Sarah Purdy | 26 | Wife | None | Massachusetts |
| 49 | Eleanor Purdy | 6 | Daughter | None | Connecticut |
| 50 | Margaret Purdy | 3 | Daughter | None | Connecticut |
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)