MS
Mary Simms — 1940 US Census Record
Model Tree available1940 United States Federal Census · Williamson-County, Texas
Our Model Tree links this Mary Simms across the 1920, 1930 and 1940 US Censuses in Williamson-County, Texas (XGBoost, ~Confirmed), with identified parents Cora — first a daughter (b.~1901), then head of a 2-person household.
Age 39
b. ~1901
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamson-County, Texas |
| Surname | Simms |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Hutto (Town) |
| 1935 Residence (County) | Williamson |
| Additional Details | |
| Industry | H |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Hutto Town |
| Est. Birth Year | ~1901 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Simms | Daughter | — | 39 | ~1901 |
| Cora Simms | Head | — | 76 | ~1864 |
Census Appearances
1920
Williamson, Texas
Daughter, age 19
Williamson, Texas · implied b. ~1901
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Sims |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Williamson, Texas
Daughter, age 28
Williamson, Texas · implied b. ~1902 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sims |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Williamson-County, Texas
Daughter, age 39
Williamson-County, Texas · implied b. ~1901 — 2 household members
| Surname | Simms |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Hutto (Town) |
| 1935 Residence (County) | Williamson |
| Industry | H |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Simms across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Cora Simms (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Cora Simms
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Simms
Daughter · 1940 · age 39 · b. ~1901 · Texas
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Williamson-County, Texas
Open full size
1940 US Federal Census — Williamson-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04166-01027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lady Floy Mccutchon | 63 | Wife | — | Texas |
| 42 | Ben Kallstrom | 58 | Head | Proprietor | Sweden |
| 43 | Dustie Kallstrom | 60 | Wife | — | Sweden |
| 44 | Bernice Kallstrom | 14 | Daughter | — | Texas |
| 45 | Verna Carlson | 17 | Niece | — | Texas |
| 46 | John A. Forsberg | 77 | Head | — | Sweden |
| 47 | Tina Forsberg | 69 | Wife | — | Sweden |
| 48 | Agnes Forsberg | 35 | Daughter | — | Texas |
| 49 | Frances Downing | 60 | Head | — | Texas |
| 50 | Benjamin N. Downing | 31 | Son | Farmer | Texas |
| 51 | Ruby Downing | 29 | Daughter | — | Texas |
| 52 | Carl Almquist | 62 | Head | — | Sweden |
| 53 | James B. Rainer | 84 | Head | — | Florida |
| 54 | Hildur Carlson | 49 | Head | — | Sweden |
| 55 | John Edward Carlson | 18 | Son | Salesman | Texas |
| 56 | Samuel E. Davis | 38 | Head | Proprietor | Texas |
| 57 | Esther Davis | 38 | Wife | — | Texas |
| 58 | Estelle Davis | 9 | Daughter | — | Texas |
| 59 | Monica Davis | 6 | Daughter | — | Texas |
| 60 | Oscar E. Beck | 45 | Head | Rancher | Texas |
| 61 | Jennie Beck | 44 | Wife | — | Iowa |
| 62 | Eugene Beck | 14 | Son | — | Texas |
| 63 | Eric E. Eklund | 53 | Head | Gin Stand Opertr | Sweden |
| 64 | Etile Eklund | 35 | Wife | — | Texas |
| 65 | Eric Earl Eklund | 8 | Son | — | Texas |
| 66 | Patsy Ruth Eklund | 5 | Daughter | — | Texas |
| 67 | Edwin Richard Barr | 29 | Head | Farmer | Texas |
| 68 | Arden Barr | 27 | Wife | — | Texas |
| 69 | Farrah Ann Barr | 7 | Daughter | — | Texas |
| 70 | Lawrence Edwin Barr | 5 | Son | — | Texas |
| 71 | Kenneth Ray Barr | 1 | Son | — | Texas |
| 72 | Cora Simms | 76 | Head | — | Illinois |
| 73 | Mary Simms THIS PERSON | 39 | Daughter | — | Texas |
| 74 | Carl John Wegstrom | 79 | Head | — | Sweden |
| 75 | Anna Wegstrom | 67 | Wife | — | Sweden |
| 76 | Mabel Wegstrom | 37 | Daughter | — | Texas |
| 77 | Clyde N. Stearns | 62 | Head | — | Texas |
| 78 | Annie Bell Stearns | 63 | Wife | — | Louisiana |
| 79 | Philip Davenport | 61 | Head | Farmer | Texas |
| 80 | Huldah Davenport | 53 | Wife | — | Texas |
Pedigree Summary
Mary
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)