MW
Mildred Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Mildred Williams across the 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Williams |
| Given Name | Mildred |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Toledo City |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Patricia Williams | Daughter | — | 8 | ~1932 |
| Mildred Williams | Daughter | — | 13 | ~1927 |
| Elizabeth Williams | Daughter | — | 16 | ~1924 |
| Annabelle Williams | Daughter | — | 20 | ~1920 |
| Rose Williams | Daughter | — | 10 | ~1930 |
| Robert Williams | Head | — | 38 | ~1902 |
| Robert Williams | Son | — | 3 | ~1937 |
| Paul Williams | Son | — | 18 | ~1922 |
| Ralph Williams | Son | — | 14 | ~1926 |
| Leo Williams | Son | — | 6 | ~1934 |
| George Williams | Son | — | 11 | ~1929 |
| Lula Williams | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Lucas, Ohio
Daughter, age 4
Lucas, Ohio · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mildred L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Daughter, age 13
Lucas-County, Ohio · implied b. ~1927 — 12 household members
| Surname | Williams |
| Given Name | Mildred |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Highest Grade | No 7 |
| 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 Mildred Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred Williams
Daughter · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Paul Williams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabelle Williams
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Williams
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Williams
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Williams
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Williams
Sibling · 1940 · age 10
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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03263-00458)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gertrude Foerich | 47 | wife | — | Ohio |
| 42 | Janice Foerich | 18 | daughter | Housework | Ohio |
| 43 | Phyllis Foerich | 16 | daughter | — | Ohio |
| 44 | Minnie Jane Foerich | 14 | daughter | — | Ohio |
| 45 | Richard Foerich | 5 | son | — | Ohio |
| 46 | Earl Kelley | 31 | head | Digger | Oklahoma |
| 47 | Julia A. Kelley | 26 | daughter | — | Ohio |
| 48 | Lloyd Kelley | 8 | son | — | Ohio |
| 49 | Joseph Kelley | 3 | son | — | Kentucky |
| 50 | Thelma Kelley | 2 | daughter | — | Ohio |
| 51 | Robert A. Williams | 38 | head | Salesman | Ohio |
| 52 | Lula Williams | 38 | wife | — | Ohio |
| 53 | Annabelle Williams | 20 | daughter | File Clerk | Ohio |
| 54 | Paul Williams | 18 | son | New Worker | Ohio |
| 55 | Elizabeth Williams | 16 | daughter | — | Ohio |
| 56 | Ralph Williams | 14 | son | — | Ohio |
| 57 | Mildred Williams THIS PERSON | 13 | daughter | — | Ohio |
| 58 | George Williams | 11 | son | — | Ohio |
| 59 | Rose Ann Williams | 10 | daughter | — | Ohio |
| 60 | Patricia Williams | 8 | daughter | — | Ohio |
| 61 | Leo Williams | 6 | son | — | Ohio |
| 62 | Robert Williams | 3 | son | — | Ohio |
| 63 | Karl A. Fink | 60 | head | Millworker | Germany |
| 64 | Anna Fink | 58 | wife | — | Germany |
| 65 | Robert Fink | 23 | son | Inspector Machine | Ohio |
| 66 | Elmer Rupert | 35 | head | Equipment Operator | Ohio |
| 67 | Beulah Rupert | 39 | wife | Shop Assistant | Michigan |
| 68 | Gary Rupert | 1 | son | — | Ohio |
| 69 | Richard E. Hier | 21 | step-son | Trucker | Ohio |
| 70 | Emma Manning | 76 | mother-in-law | — | Pennsylvania |
| 71 | Charles W. Wood | 52 | head | Conductor | Indiana |
| 72 | Cecile Mae Wood | 50 | wife | — | Indiana |
| 73 | George C. Kunkert | 38 | head | Brakeman | Ohio |
| 74 | Mollie Kunkert | 33 | wife | — | New York |
| 75 | Rosalyn Kunkert | 8 | daughter | — | Ohio |
| 76 | Carolyn Kunkert | 6 | daughter | — | Ohio |
| 77 | Earl E. Ventner | 28 | head | Clerk | Ohio |
| 78 | Elizabeth Ventner | 25 | wife | — | Ohio |
| 79 | Howard Ventner | 5 | son | — | Ohio |
| 80 | Patricia Ventner | 3 | daughter | — | Ohio |
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)