MS
Mary Sims — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Autauga-County, Alabama
Our Model Tree links this Mary Sims across the 1930 and 1940 US Censuses in Autauga-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Autauga-County, Alabama |
| Surname | Sims |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 8 |
| 1935 Residence (County) | Autauga |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 8 |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Naomi Sims | Daughter | — | 9 | ~1931 |
| Eugene Sims | Son | — | 4 | ~1936 |
| W Sims | Head | — | 49 | ~1891 |
| Mary Sims | Daughter | — | 16 | ~1924 |
| Clayton Sims | Son | — | 18 | ~1922 |
| Wilfred Sims | Son | — | 6 | ~1934 |
| W Sims | Son | — | 12 | ~1928 |
| Willie Sims | Spouse | — | 44 | ~1896 |
| Eloise Sims | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Montgomery, Alabama
Daughter, age 5
Montgomery, Alabama · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sims |
| Given Name | Mary E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Autauga-County, Alabama
Daughter, age 16
Autauga-County, Alabama · implied b. ~1924 — 9 household members
| Surname | Sims |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 8 |
| 1935 Residence (County) | Autauga |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 16 · b. ~1924 · Alabama
★ You are viewing this record
Sibling
Naomi Sims
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilfred Sims
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Sims
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloise Sims
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clayton Sims
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
W Sims
Sibling · 1940 · age 12
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 — Autauga-County, Alabama
Open full size
1940 US Federal Census — Autauga-County, Alabama
Page Contents
30 people indexed on this census page (nara:1940:m-t0627-00001-00422)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace O Chandler | 32 | Wife | House Work At Home | Alabama |
| 2 | Altha B Chandler | 12 | Daughter | — | Alabama |
| 3 | Dessie Lee Chandler | 8 | Daughter | — | Alabama |
| 4 | Marlene Chandler | 5 | Daughter | — | Alabama |
| 5 | Dollie Lou Chandler | 3 | Daughter | — | Alabama |
| 6 | Alfred Chandler | 1 | Son | — | Alabama |
| 7 | Mollie Chandler | 73 | Mother | House Work At Home | Alabama |
| 8 | W. F. Sims | 49 | Head | Farmer | Alabama |
| 9 | Willie Sims | 44 | Wife | House Work At Home | Alabama |
| 10 | Clayton Sims | 18 | Son | Laborer | Alabama |
| 11 | Mary Sims THIS PERSON | 16 | Daughter | — | Alabama |
| 12 | Eloise Sims | 15 | Daughter | — | Alabama |
| 13 | W. F. Sims | 12 | Son | — | Alabama |
| 14 | Naomi Sims | 9 | Daughter | — | Alabama |
| 15 | Wilfred Sims | 6 | Son | — | Alabama |
| 16 | Eugene Sims | 4 | Son | — | Alabama |
| 17 | Eugene Debardlaben | 48 | Head | Farmer | Alabama |
| 18 | Kate Debardlaben | 29 | Wife | House Work At Home | Alabama |
| 19 | Eva Davis | 66 | Mother-in-law | House Work At Home | Alabama |
| 20 | Saul Davis | 19 | Nephew | Laborer | Alabama |
| 21 | Bill Davis | 16 | Nephew | Laborer | Alabama |
| 22 | Katie Mary Davis | 13 | Niece | — | Alabama |
| 23 | J. M. Dismukes | 37 | Head | Farmer | Alabama |
| 24 | Evelyn Dismukes | 13 | Daughter | — | Alabama |
| 25 | Jim A. Dismukes | 12 | Son | — | Alabama |
| 26 | George Dismukes | 9 | Son | — | Alabama |
| 27 | Albert Dismukes | 6 | Son | — | Alabama |
| 28 | Hazen Dismukes | 2 | Son | — | Alabama |
| 29 | J. W. Dismukes | 72 | Head | — | Alabama |
| 30 | Foy Dismukes | 36 | Son | Farmer | Alabama |
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)