JL
John Lambert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Licking-County, Ohio
Our Model Tree links this John Lambert across the 1920, 1930 and 1940 US Censuses in Licking-County, Ohio (XGBoost, ~Confirmed), with identified parents Jennie & Jennie — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Licking-County, Ohio |
| Surname | Lambert |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Licking |
| Additional Details | |
| Occupation | Home |
| Industry | Home |
| Income (1939) | 52 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Home |
| Township / Ward | Newark |
| Est. Birth Year | ~1919 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Arthur Lambert | Head | — | 47 | ~1893 |
| Karl Lambert | Son | — | 19 | ~1921 |
| John Lambert | Son | — | 21 | ~1919 |
| Jennie Lambert | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Licking, Ohio
Son, age 1
Licking, Ohio · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Licking, Ohio
Son, age 11
Licking, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Licking-County, Ohio
Son, age 21
Licking-County, Ohio · implied b. ~1919 — 4 household members
| Surname | Lambert |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Licking |
| Occupation | Home |
| Industry | Home |
| Income (1939) | 52 |
| Highest Grade | H 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 John Lambert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Jennie Lambert (~0.92 confidence) and mother Jennie Lambert (~0.92 confidence) and father Arthur Lambert (~0.92 confidence) and father Arthur Lambert (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Jennie Lambert
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Jennie Lambert
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
Arthur Lambert
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Arthur Lambert
b. ~1893
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Lambert
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Karl Lambert
Sibling · 1940 · age 19
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 — Licking-County, Ohio
Open full size
1940 US Federal Census — Licking-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03099-00178)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jacob Moriarty | 79 | Head | — | Ohio |
| 42 | Annie L Moriarty | 83 | Wife | Housewife | Ohio |
| 43 | Martin C Radcliff | 55 | Head | — | Ohio |
| 44 | Mary E Radcliff | 59 | Wife | Saleslady | Ohio |
| 45 | Alice M Radcliff | 82 | Mother | Home | Ohio |
| 46 | Herbert Provitt | 47 | Head | High School | Ohio |
| 47 | Mary C Provitt | 38 | Wife | Housewife | Ohio |
| 48 | Arthur Provitt | 19 | Son | — | Ohio |
| 49 | Charles D Provitt | 16 | Son | School | Ohio |
| 50 | Rose A Payne | 20 | Lodger | Machinist | Ohio |
| 51 | Wm L Pemberton | 47 | Head | Labor | Ohio |
| 52 | Iva M Pemberton | 44 | Wife | Housewife | Kentucky |
| 53 | Edith M Pemberton | 26 | Daughter | — | Ohio |
| 54 | Dorothy L Pemberton | 24 | Daughter | Billing | Ohio |
| 55 | Thelma L Pemberton | 19 | Daughter | Clerk | Ohio |
| 56 | Goldie M Pemberton | 17 | Daughter | Home | Ohio |
| 57 | Vernon B Pemberton | 15 | Son | School | Ohio |
| 58 | James Mccullough | 78 | Head | Carpenter | Ohio |
| 59 | Cristina Mccullough | 73 | Wife | Housewife | Ohio |
| 60 | Thomas L Mccullough | 46 | Son | Painter | Ohio |
| 61 | Arthur Lambert | 47 | Head | Machinist | Ohio |
| 62 | Jennie K Lambert | 48 | Wife | Housewife | Ohio |
| 63 | John F Lambert THIS PERSON | 21 | Son | Home | Ohio |
| 64 | Karl K Lambert | 19 | Son | Home | Ohio |
| 65 | Robert S Watson | 30 | Head | Beef Tender | England |
| 66 | Laura B Watson | 28 | Wife | Housewife | Ohio |
| 67 | Edwin O Norris | 63 | Head | Fire Man | Ohio |
| 68 | Leona A Norris | 62 | Wife | Housewife | Ohio |
| 69 | James E Norris | 23 | Son | Clerk | Ohio |
| 70 | Arnold Thompson | 45 | Head | Rubber Worker | Ohio |
| 71 | Blanche L Thompson | 43 | Wife | Housewife | Indiana |
| 72 | Frank R Freese | 64 | Head | Public Garage | Ohio |
| 73 | Anna M Freese | 59 | Wife | Housewife | Ohio |
| 74 | William H Freese | 39 | Son | Moulder | Ohio |
| 75 | Homer D Robertson | 43 | Head | Co-Operator | Ohio |
| 76 | Ethel O M Robertson | 34 | Wife | Housewife | Ohio |
| 77 | Marcella Robertson | 13 | Daughter | School | Ohio |
| 78 | Robert Robertson | 11 | Son | School | Ohio |
| 79 | Barbara Robertson | 5 | Daughter | Home | Ohio |
| 80 | John R Szatmary | 38 | Head | Glass Worker | Hungary |
Pedigree Summary
John + 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)