MK
Mary Knox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denton-County, Texas
Our Model Tree links this Mary Knox across the 1930 and 1940 US Censuses in Denton-County, Texas (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 7-person household.
Age 52
b. ~1888
Female
Spouse
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denton-County, Texas |
| Surname | Knox |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hill |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Precinct 1 |
| Est. Birth Year | ~1888 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Calvin Knox | Son | — | 13 | ~1927 |
| Tom Knox | Head | — | 59 | ~1881 |
| Lucille Knox | Daughter | — | 15 | ~1925 |
| Alvin Knox | Son | — | 13 | ~1927 |
| Mary Knox | Spouse | — | 52 | ~1888 |
| Lardine Knox | Daughter | — | 17 | ~1923 |
| Harold Knox | Son | — | 11 | ~1929 |
Census Appearances
1930
Denton, Texas
Spouse, age 41
Denton, Texas · implied b. ~1889 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knox |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 23 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Denton-County, Texas
Spouse, age 52
Denton-County, Texas · implied b. ~1888 — 7 household members
| Surname | Knox |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hill |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Knox
Spouse · 1940 · age 52 · b. ~1888 · Texas
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Denton-County, Texas
Open full size
1940 US Federal Census — Denton-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04020-00792)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Ramy | 25 | Wife | — | Texas |
| 2 | Dian Ramy | 5 | Daughter | — | — |
| 3 | W. A. Ramy | 88 | Head | — | Texas |
| 4 | Hallie Ramy | 46 | Daughter | — | Texas |
| 5 | J. E. Pannel | 33 | Head | Farming | Texas |
| 6 | Delma Pannel | 28 | Wife | — | Texas |
| 7 | Norma J. Pannel | 2 | Daughter | — | — |
| 8 | Kate Pannel | 70 | Mother | — | Texas |
| 9 | Charley Pannel | 35 | Head | Farming | Texas |
| 10 | Eunice Pannel | 33 | Wife | — | Texas |
| 11 | Christine Pannel | 16 | Daughter | — | Texas |
| 12 | Katherine Pannel | 13 | Daughter | — | Texas |
| 13 | Charley Pannel | 10 | Son | — | Texas |
| 14 | Nora Bell Pannel | 5 | Daughter | — | Texas |
| 15 | Dora May Pannel | 0 | Daughter | — | — |
| 16 | J. D. Birdsong | 29 | Head | Farming | Arkansas |
| 17 | Pauline Birdsong | 25 | Wife | — | Texas |
| 18 | Geraldine Birdsong | 8 | Daughter | — | Texas |
| 19 | James D. Birdsong | 2 | Son | — | — |
| 20 | Jim Duncan | 33 | Head | Farming | Tennessee |
| 21 | Fay Duncan | 29 | Wife | — | Arkansas |
| 22 | Lillie J. Duncan | 9 | Daughter | — | Texas |
| 23 | George Duncan | 4 | Son | — | Texas |
| 24 | Curtis Canal | 21 | Head | Farming | Texas |
| 25 | Mary Lee Canal | 17 | Wife | — | Texas |
| 26 | Matticia R. Cox | 41 | Head | Teacher | Texas |
| 27 | Marvin Copeland | 25 | Head | Farming | Oklahoma |
| 28 | Mildred Copeland | 19 | Wife | — | Oklahoma |
| 29 | Garland Taylor | 20 | Head | Farming | Texas |
| 30 | G. H. Taylor | 18 | Brother | Farming | Texas |
| 31 | Marie D. Taylor | 9 | Sister | — | Texas |
| 32 | Bertha Huddleston | 35 | Mother | — | Texas |
| 33 | Fred Keene | 38 | Head | Farming | Texas |
| 34 | Tom Knox | 59 | Head | Farming | Arkansas |
| 35 | Mary Knox THIS PERSON | 52 | Wife | — | Texas |
| 36 | Lardine Knox | 17 | Daughter | — | Texas |
| 37 | Lucille Knox | 15 | Daughter | — | Texas |
| 38 | Alvin Knox | 13 | Son | — | Texas |
| 39 | Calvin Knox | 13 | Son | — | Texas |
| 40 | Harold Knox | 11 | Son | — | Texas |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)