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Lawrence Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Lawrence Williams across the 1910, 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Peter & Louise — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Williams |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Tool Designer |
| Industry | Motors |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Tool Designer |
| Township / Ward | Dayton City |
| Est. Birth Year | ~1902 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Williams | Head | — | 38 | ~1902 |
| Richard Williams | Son | — | 11 | ~1929 |
| Eileen Williams | Daughter | — | 14 | ~1926 |
| Clara Williams | Spouse | — | 34 | ~1906 |
Census Appearances
1910
Montgomery, Ohio
Son, age 8
Montgomery, Ohio · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Montgomery, Ohio
Son, age 18
Montgomery, Ohio · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lawrence J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Toolmaker |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Head, age 28
Montgomery, Ohio · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lawrence J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 23 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Tool Designer |
| Industry | Auto Accessories |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 40 |
| Home Value / Rent | R |
| Veteran | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Head, age 38
Montgomery-County, Ohio · implied b. ~1902 — 4 household members
| Surname | Williams |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Occupation | Tool Designer |
| Industry | Motors |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Lawrence Williams across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Williams (~0.92 confidence) and mother Louise Williams (~0.92 confidence) and mother Louise Williams (~0.92 confidence) and father Peter Williams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Williams
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Louise Williams
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Louise Williams
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Peter Williams
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Williams
Head · 1940 · age 38 · b. ~1902 · Ohio
★ 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 — 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-t0627-03253-00800)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Wardenburg|Wardenberry | 13 | Step son | — | Ohio |
| 2 | Hubert R. Ticos | 37 | Head | Laborer W.P.A. | Ohio |
| 3 | Ethel Ticos | 37 | Wife | — | Ohio |
| 4 | Julia Hall | 52 | Lodger | P.B.X. Operator | Ohio |
| 5 | Earl Unroe | 49 | Head | Carpenter | Ohio |
| 6 | Fay Unroe | 44 | Wife | Cook | Ohio |
| 7 | Maxwell Unroe | 20 | Son | Clerk | Ohio |
| 8 | Rachael Unroe | 16 | Daughter | — | Ohio |
| 9 | Elzie Unroe | 9 | Son | — | Ohio |
| 10 | Harold Sheets | 36 | Brother in Law | Clerk | Ohio |
| 11 | Goldie Houck | 33 | Neice | Nurse | Ohio |
| 12 | William F. Realty | 69 | Head | — | Ohio |
| 13 | Edith Realty | 66 | Wife | — | Ohio |
| 14 | Eldora Mcconnaughey | 33 | Head | Printer | Ohio |
| 15 | Margaret Mcconnaughey | 11 | Daughter | — | Ohio |
| 16 | Craig Mcconnaughey | 2 | Son | — | Ohio |
| 17 | Arthur R. Pittinger | 51 | Head | Teacher | Indiana |
| 18 | Gertrude Pittinger | 48 | Wife | — | Ohio |
| 19 | Margery Pittinger | 24 | Daughter | Teacher | Ohio |
| 20 | Ray M. Hopper | 35 | Head | Machinist | Ohio |
| 21 | Opal D. Hopper | 32 | Wife | Inspector | Indiana |
| 22 | Lawrence Williams THIS PERSON | 38 | Head | Tool Designer | Ohio |
| 23 | Clara D. Williams | 34 | Wife | — | Ohio |
| 24 | Eileen Williams | 14 | Daughter | — | Ohio |
| 25 | Richard Williams | 11 | Son | — | Ohio |
| 26 | Clarence A. Mayer | 32 | Head | Foreman | Ohio |
| 27 | Charlotte D. Mayer | 31 | Wife | — | Ohio |
| 28 | Dean Mayer | 8 | Daughter | — | Ohio |
| 29 | Clarence Mayer | 7 | Son | — | Ohio |
| 30 | Thomas Mayer | 0 | Son | — | Ohio |
| 31 | William P. Wellbaum | 48 | Head | Machinist | Ohio |
| 32 | Emma L. Wellbaum | 45 | Wife | — | Ohio |
| 33 | Jane Border | 23 | Daughter | Stator Winder | Ohio |
| 34 | Leroy R. Border | 25 | Son in Law | — | Ohio |
| 35 | Vincent B. Huston | 42 | Head | Laborer | Pennsylvania |
| 36 | Lucille D. Huston | 40 | Wife | — | Ohio |
| 37 | Lucille M. Huston | 19 | Daughter | Secretary | Ohio |
| 38 | James Huston | 12 | Son | — | Ohio |
| 39 | Cary L. Hargenrather | 35 | Head | Foreman | Ohio |
| 40 | Bertie D. Hargenrather | 29 | Wife | N. Y. A. | Kentucky |
Pedigree Summary
Lawrence
Gen 1 · 4 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)