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Mary Hendricks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Collin-County, Texas
Our Model Tree links this Mary Hendricks across the 1930 and 1940 US Censuses in Collin-County, Texas (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 9-person household.
Age 46
b. ~1894
Female
Spouse
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Collin-County, Texas |
| Surname | Hendricks |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 1 |
| 1935 Residence (County) | Collin |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | J P 1 |
| Est. Birth Year | ~1894 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hendricks | Daughter | — | 10 | ~1930 |
| Le Hendricks | Son | — | 20 | ~1920 |
| Etta Hendricks | Daughter | — | 6 | ~1934 |
| William Hendricks | Son | — | 13 | ~1927 |
| Mary Hendricks | Spouse | — | 46 | ~1894 |
| Harry Hendricks | Head | — | 53 | ~1887 |
| Edgar Hendricks | Son | — | 18 | ~1922 |
| Louis Hendricks | Son | — | 8 | ~1932 |
| Harry Hendricks | Son | — | 15 | ~1925 |
Census Appearances
1930
Collin, Texas
Other, age 35
Collin, Texas · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendricks |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 23 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Collin-County, Texas
Spouse, age 46
Collin-County, Texas · implied b. ~1894 — 9 household members
| Surname | Hendricks |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 1 |
| 1935 Residence (County) | Collin |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| 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 Hendricks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hendricks
Spouse · 1940 · age 46 · b. ~1894 · 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 — Collin-County, Texas
Open full size
1940 US Federal Census — Collin-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04008-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Hendricks | 53 | Head | Farmer | Texas |
| 2 | Mary Hendricks THIS PERSON | 46 | Wife | — | Texas |
| 3 | Le Roy Hendricks | 20 | Son | Laborer | Texas |
| 4 | Edgar Ray Hendricks | 18 | Son | Carpenter | Texas |
| 5 | Harry Wayne Hendricks | 15 | Son | — | Texas |
| 6 | William Doyle Hendricks | 13 | Son | — | Texas |
| 7 | Mary Ruth Hendricks | 10 | Daughter | — | Texas |
| 8 | Louis Gene Hendricks | 8 | Son | — | Texas |
| 9 | Etta Louise Hendricks | 6 | Daughter | — | Texas |
| 10 | Willie L. Betterton | 31 | Head | Rune Roller | Texas |
| 11 | Bonnie Betterton | 32 | Wife | — | Texas |
| 12 | Ethel Wayne Betterton | 4 | Son | — | Texas |
| 13 | R. E. Marrow | 62 | Head | Medical Doctor | Mississippi |
| 14 | Jessie C. Cook | 60 | Head | Farmer | Texas |
| 15 | Mava Cook | 60 | Wife | — | Texas |
| 16 | Velma Vaughn | 32 | Daughter | — | Texas |
| 17 | James Carlton Vaughn | 17 | Grand-son | — | Texas |
| 18 | Baily P. Klein | 35 | Head | Shipping Clerk | Texas |
| 19 | Bessie Klein | 34 | Wife | — | Texas |
| 20 | Jo Ann Klein | 8 | Daughter | — | Texas |
| 21 | Bobby Glen Klein | 3 | Son | — | Texas |
| 22 | J. Leo Graham | 38 | Head | Farmer | Texas |
| 23 | Graham | 37 | Wife | — | Texas |
| 24 | Doris Jean Graham | 13 | Daughter | — | Texas |
| 25 | Ann Graham | 3 | Daughter | — | Texas |
| 26 | J. G. Barry | 48 | Head | Farmer | Texas |
| 27 | Ann Barry | 47 | Wife | — | Texas |
| 28 | Ruby Barry | 17 | Daughter | — | Texas |
| 29 | E. Jackson Armstrong | 69 | Head | Farmer | Tennessee |
| 30 | Mable Armstrong | 37 | Daughter | — | Texas |
| 31 | J. H. Riffe | 70 | Head | Farmer | Kentucky |
| 32 | Jessie Riffe | 49 | Wife | — | Texas |
| 33 | Don Riffe | 17 | Son | — | Texas |
| 34 | George W. Hedrick | 41 | Head | Farmer | Texas |
| 35 | Ethel Hedrick | 40 | Wife | — | Texas |
| 36 | Offers Rogers | 42 | Head | Painter | Texas |
| 37 | Anna Belle Rogers | 28 | Wife | — | Oklahoma |
| 38 | Billy Jack Rogers | 10 | Son | — | Arizona |
| 39 | Betty Jo Rogers | 8 | Daughter | — | Arizona |
| 40 | Newton Isaac | 6 | Son | — | Arizona |
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)