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Mary Sims — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Collin-County, Texas
Our Model Tree links this Mary Sims across the 1930 and 1940 US Censuses in Collin-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Collin-County, Texas |
| Surname | Sims |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 2 |
| 1935 Residence (County) | Collin |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | J P 2 |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Bobby Sims | Son | — | 5 | ~1935 |
| Mary Sims | Daughter | — | 12 | ~1928 |
| Billy Sims | Daughter | — | 9 | ~1931 |
| Louise Sims | Daughter | — | 13 | ~1927 |
| Norda Sims | Spouse | — | 30 | ~1910 |
| Patsy Sims | Daughter | — | 2 | ~1938 |
| Clarence Sims | Head | — | 38 | ~1902 |
| Joyce Sims | Daughter | — | 11 | ~1929 |
| Ray Sims | Son | — | 15 | ~1925 |
Census Appearances
1930
Collin, Texas
Daughter, age 2
Collin, Texas · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sims |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Collin-County, Texas
Daughter, age 12
Collin-County, Texas · implied b. ~1928 — 9 household members
| Surname | Sims |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 2 |
| 1935 Residence (County) | Collin |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| 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 Sims across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sims
Daughter · 1940 · age 12 · b. ~1928 · Texas
★ You are viewing this record
Sibling
Patsy Sims
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Sims
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Sims
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Sims
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Sims
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Sims
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-04008-00624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Belle Bowers | 52 | Wife | — | Texas |
| 42 | Paul Bowers | 19 | Son | Laborer | Texas |
| 43 | Wynell Bowers | 15 | Daughter | — | Texas |
| 44 | Bryan Pruitt | 48 | Head | Farmer | Texas |
| 45 | Audrey Pruitt | 39 | Wife | Clerk | Texas |
| 46 | Edna M. Pruitt | 17 | Daughter | — | Texas |
| 47 | Jack Chapman | 38 | Head | Assistant Mail Carrier | Texas |
| 48 | Georgene Chapman | 35 | Wife | — | Texas |
| 49 | Ann H. Chapman | 8 | Daughter | — | Texas |
| 50 | Allene Chapman | 3 | Daughter | — | Texas |
| 51 | Joe Hukill | 35 | Head | Laborer | Texas |
| 52 | Annie Hukill | 35 | Wife | — | Texas |
| 53 | Cordelia Hukill | 15 | Daughter | — | Texas |
| 54 | E. J. Hukill | 12 | Son | — | Texas |
| 55 | Virginia Hukill | 9 | Daughter | — | Texas |
| 56 | Louise Hukill | 6 | Daughter | — | Texas |
| 57 | Mary Hukill | 4 | Daughter | — | Texas |
| 58 | Joe D. Hukill | 1 | Son | — | Texas |
| 59 | Clarence Sims | 38 | Head | Laborer | Texas |
| 60 | Norda Sims | 30 | Wife | — | Texas |
| 61 | Ray Frank Sims | 15 | Son | — | Texas |
| 62 | Louise Sims | 13 | Daughter | — | Texas |
| 63 | Mary E. Sims THIS PERSON | 12 | Daughter | — | Texas |
| 64 | Joyce Sims | 11 | Daughter | — | Texas |
| 65 | Billy G. Sims | 9 | Daughter | — | Texas |
| 66 | Bobby Sims | 5 | Son | — | Texas |
| 67 | Patsy R. Sims | 2 | Daughter | — | Texas |
| 68 | Thomas Narell | 30 | Head | Laborer | Texas |
| 69 | Mary Narell | 23 | Wife | — | Texas |
| 70 | C. E. Hukill | 42 | Head | Farmer | Oklahoma |
| 71 | Lois Hukill | 35 | Wife | — | Texas |
| 72 | C. E. Jr. Hukill | 17 | Son | — | Texas |
| 73 | Dale Hukill | 15 | Son | — | Texas |
| 74 | Harold Hukill | 12 | Son | — | Texas |
| 75 | Billy Hukill | 9 | Son | — | Texas |
| 76 | Mack Hukill | 5 | Son | — | Texas |
| 77 | Mandy Hukill | 2 | Daughter | — | Texas |
| 78 | Reuben James | 58 | Head | Farmer | Tennessee |
| 79 | Beda James | 57 | Wife | — | Texas |
| 80 | Charlie Mcdermit | 47 | Head | Laborer | 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)