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William Lambert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lawrence-County, Ohio
Our Model Tree links this William Lambert across the 1920, 1930 and 1940 US Censuses in Lawrence-County, Ohio (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, Ohio |
| Surname | Lambert |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ironton City |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Ironton City |
| Est. Birth Year | ~1914 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Lambert | Head | — | 58 | ~1882 |
| Robert Lambert | Son | — | 12 | ~1928 |
| William Lambert | Son | — | 26 | ~1914 |
| Katie Lambert | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Lawrence, Ohio
Son, age 6
Lawrence, Ohio · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lawrence, Ohio
Son, age 16
Lawrence, Ohio · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lawrence-County, Ohio
Son, age 26
Lawrence-County, Ohio · implied b. ~1914 — 4 household members
| Surname | Lambert |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ironton City |
| 1935 Residence (County) | Lawrence |
| Highest Grade | Hs 2 |
| 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 William Lambert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lambert (~0.92 confidence) and father William Lambert (~0.92 confidence) and mother Katie Lambert (~0.92 confidence) and mother Lottie Lambert (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lambert
b. ~1882
Source father
● Household
· direct · ~0.92
Father
William Lambert
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Katie Lambert
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Lottie Lambert
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Lambert
Son · 1940 · age 26 · b. ~1914 · Ohio
★ You are viewing this record
Sibling
Robert Lambert
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 — Lawrence-County, Ohio
Open full size
1940 US Federal Census — Lawrence-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03096-00559)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edmond Bryant | 67 | Head | — | Ohio |
| 42 | Ruby Bryant | 29 | Daughter | — | Ohio |
| 43 | Warren Bryant | 42 | Son | — | Ohio |
| 44 | Clara Bryant | 11 | Grandchild | — | Ohio |
| 45 | Bernice Roy Bryant | 8 | Grandchild | — | Ohio |
| 46 | John Edmond Bryant | 6 | Grandchild | — | Ohio |
| 47 | Shirley Ann Bryant | 4 | Grandchild | — | Ohio |
| 48 | Roy Casey | 37 | Head | Clerk | Ohio |
| 49 | Ellen Casey | 35 | Wife | — | Ohio |
| 50 | Burton Casey | 18 | Son | — | Ohio |
| 51 | Charles Casey | 14 | Son | New Worker | Ohio |
| 52 | Naomi Ruth Casey | 12 | Daughter | — | Ohio |
| 53 | Arlene Casey | 4 | Daughter | — | Ohio |
| 54 | Clarence B. Massie | 47 | Head | Agent | Ohio |
| 55 | Clara B. Massie | 44 | Wife | — | Ohio |
| 56 | Maxine Massie | 21 | Daughter | Teacher | Ohio |
| 57 | Clarence Jr. Massie | 19 | Son | — | Ohio |
| 58 | John W. Massie | 10 | Son | — | Ohio |
| 59 | Charles Wm Farmer | 60 | Head | Conductor | Kentucky |
| 60 | Sophia Farmer | 58 | Wife | — | Ohio |
| 61 | Bruce Williams | 27 | Head | Laborer | Kentucky |
| 62 | Maud Williams | 22 | Wife | Clerk | Kentucky |
| 63 | Beverly Gail Williams | 6 | Daughter | — | Kentucky |
| 64 | Linda L. Williams | 1 | Daughter | — | Ohio |
| 65 | Hattie B. Williams | 62 | Mother | — | Kentucky |
| 66 | George Whitley | 53 | Head | Druggist | Ohio |
| 67 | Ruth Whitley | 47 | Wife | — | Ohio |
| 68 | Lucille Whitley | 24 | Daughter | Secretary | Ohio |
| 69 | Shirley Neal | 35 | Head | Clerk | Ohio |
| 70 | Margaret Neal | 31 | Wife | Crane Operator | Ohio |
| 71 | Gary Lee Neal | 6 | Son | — | Ohio |
| 72 | Paul Richard Neal | 3 | Son | — | Ohio |
| 73 | Edward Jenkins | 64 | Father-in-law | Janitor | Ohio |
| 74 | William Lambert | 58 | Head | Metal Polisher | Ohio |
| 75 | Katie Lambert | 51 | Wife | — | Kentucky |
| 76 | William Jr. Lambert THIS PERSON | 26 | Son | — | Ohio |
| 77 | Robert Lambert | 12 | Son | — | Ohio |
| 78 | Charles Dettero | 47 | Head | Clerk | Ohio |
| 79 | Kathleen Dettero | 28 | Wife | — | Ohio |
Pedigree Summary
William + 1 sibling
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)