AW
Alma Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Alma Williams across the 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton Ohio |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | E 4 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Dayton Ohio |
| 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 Alma | Age | Birth yr |
|---|---|---|---|---|
| Alma Williams | Daughter | — | 12 | ~1928 |
| Camie Williams | Daughter | — | 5 | ~1935 |
| Mavis Williams | Daughter | — | 10 | ~1930 |
| Mavis Williams | Spouse | — | 39 | ~1901 |
| John Williams | Head | — | 40 | ~1900 |
| John Williams | Son | — | 8 | ~1932 |
| Horace Williams | Son | — | 3 | ~1937 |
| Robert Williams | Son | — | 1 | ~1939 |
| Alice Williams | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Montgomery, Ohio
Daughter, age 3
Montgomery, Ohio · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Daughter, age 12
Montgomery-County, Ohio · implied b. ~1928 — 9 household members
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton Ohio |
| 1935 Residence (County) | Montgomery |
| Highest Grade | E 4 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Alma Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alma Williams
Daughter · 1940 · age 12 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
Mavis Williams
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Horace Williams
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Williams
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Camie Williams
Sibling · 1940 · age 5
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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03254-00621)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ella I Butler | 34 | Wife | — | Georgia |
| 42 | Carlton Butler | 15 | Son | — | Georgia |
| 43 | Inez Butler | 14 | Daughter | — | Georgia |
| 44 | Ella Frances Reed | 16 | Niece | — | Georgia |
| 45 | Clarence Young | 33 | Head | Laborer | Alabama |
| 46 | Ella Young | 39 | Wife | — | Georgia |
| 47 | Clarence Jr Young | 20 | Son | — | Ohio |
| 48 | John Williams | 40 | Head | Junker | Iowa |
| 49 | Mavis Williams | 39 | Wife | — | Georgia |
| 50 | Alice Williams | 14 | Daughter | — | Ohio |
| 51 | Alma Williams THIS PERSON | 12 | Daughter | — | Ohio |
| 52 | Mavis Williams | 10 | Daughter | — | Ohio |
| 53 | John Wesley Williams | 8 | Son | — | Ohio |
| 54 | Camie Williams | 5 | Daughter | — | Ohio |
| 55 | Horace F Williams | 3 | Son | 0 | Ohio |
| 56 | Robert L Williams | 1 | Son | — | Ohio |
| 57 | John Smith | 42 | Head | — | Georgia |
| 58 | Swanna Smith | 40 | Wife | — | Georgia |
| 59 | Mildred L Smith | 15 | Daughter | — | Ohio |
| 60 | Garland Thomas | 54 | Head | — | Georgia |
| 61 | Beatrice Thomas | 52 | Wife | — | Georgia |
| 62 | William West | 60 | Head | — | Kentucky |
| 63 | Mary Bell West | 61 | Wife | — | Kentucky |
| 64 | Mary Jane Sears | 10 | Grand Daughter | — | Ohio |
| 65 | Henry P Mason | 31 | Head | Truck Driver | Kentucky |
| 66 | Lila Mason | 31 | Wife | — | Ohio |
| 67 | Yvonne Mason | 12 | Daughter | — | Ohio |
| 68 | Alvin Mason | 10 | Son | — | Ohio |
| 69 | Lett Prather | 47 | Head | — | Ohio |
| 70 | Edith Prather | 48 | Wife | — | New York |
| 71 | Newt Moland | 36 | Head | Helper | Georgia |
| 72 | Bertha Moland | 36 | Wife | — | Georgia |
| 73 | Willie Clarence Moland | 21 | Son | Helper | Georgia |
| 74 | Otis Moland | 18 | Son | — | Georgia |
| 75 | Phildene Moland | 15 | Daughter | — | Georgia |
| 76 | James Moland | 14 | Son | — | Georgia |
| 77 | Orville Moland | 11 | Son | — | Georgia |
| 78 | Miriam Moland | 8 | Daughter | — | Georgia |
| 79 | Mildred Moland | 5 | Daughter | — | Georgia |
| 80 | Roy Gillette | 36 | Head | — | 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)