LJ
Lawrence Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Idaho
Our Model Tree links this Lawrence Jones across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Idaho (XGBoost, ~Confirmed), with identified parents G & R — first a head (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Head
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Idaho |
| Surname | Jones |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Rigby City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Linotypist |
| Industry | Newspaper Business |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 310 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Linotypist |
| Township / Ward | Rigby City |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Janet Jones | Daughter | — | 7 | ~1933 |
| Irene Jones | Spouse | — | 29 | ~1911 |
| Mervin Smith | Other | — | 21 | ~1919 |
| Faye Blackburn | Other | — | 20 | ~1920 |
| Lawrence Jones | Head | — | 27 | ~1913 |
Census Appearances
1920
Jefferson, Idaho
Son, age 6
Jefferson, Idaho · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Idaho |
| Occupation | none |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Jefferson, Idaho
Son, age 17
Jefferson, Idaho · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Laurence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Idaho |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Jefferson-County, Idaho
Head, age 27
Jefferson-County, Idaho · implied b. ~1913 — 5 household members
| Surname | Jones |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Rigby City |
| 1935 Residence (County) | Jefferson |
| Occupation | Linotypist |
| Industry | Newspaper Business |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 310 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father G Jones (~0.92 confidence) and father R Jones (~0.92 confidence) and mother Sylvia Jones (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
G Jones
b. ~1889
Source father
● Household
· direct · ~0.92
Father
R Jones
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Sylvia Jones
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Jones
Head · 1940 · age 27 · b. ~1913 · Idaho
★ 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 — Jefferson-County, Idaho
Open full size
1940 US Federal Census — Jefferson-County, Idaho
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00747-00688)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara K. D. Johnson | 41 | Wife | — | Switzerland |
| 2 | June Johnson | 19 | Daughter | — | Idaho |
| 3 | Max R. Johnson | 17 | Son | — | Idaho |
| 4 | Lucille Johnson | 14 | Daughter | — | Idaho |
| 5 | Sheron Johnson | 5 | Daughter | — | Idaho |
| 6 | Sibyl Wilkinson | 22 | Lodger | Teacher | Utah |
| 7 | Noel Johnson | 29 | Head | Operator | Utah |
| 8 | Ethel Johnson | 24 | Wife | — | Idaho |
| 9 | Heather Fountain | 64 | Mother | — | Utah |
| 10 | Noel D. Johnson | 3 | Son | — | Idaho |
| 11 | Kenneth Hill | 31 | Head | Manager | Idaho |
| 12 | Ida Hill | 27 | Wife | — | Idaho |
| 13 | Valerie Hill | 3 | Daughter | — | Idaho |
| 14 | Lawrence Jones THIS PERSON | 27 | Head | Linotypist | Idaho |
| 15 | Irene Jones | 29 | Wife | — | Idaho |
| 16 | Janet Jones | 7 | Daughter | — | Idaho |
| 17 | Mervin Dee Smith | 21 | Lodger | Salesman | Idaho |
| 18 | Faye S. Blackburn | 20 | Lodger | Cosmetician | Idaho |
| 19 | Eugene Morgan | 52 | Head | Shop Foreman | Utah |
| 20 | Eliza Morgan | 48 | Wife | — | Utah |
| 21 | Arvella Allred | 18 | Niece | — | Idaho |
| 22 | Jack Allred | 11 | Nephew | — | Idaho |
| 23 | James L. Brown | 49 | Head | Distributor | Utah |
| 24 | Charlotte Brown | 47 | Wife | — | Utah |
| 25 | Betty Brown | 15 | Daughter | — | Idaho |
| 26 | Nadine Brown | 11 | Daughter | — | Idaho |
| 27 | Thelma Brown | 8 | Daughter | — | Idaho |
| 28 | Cora Burton | 59 | Head | Seamstress | Utah |
| 29 | Willard Burton | 30 | Son | — | Utah |
| 30 | Robert W. Burton | 18 | Son | — | Idaho |
| 31 | Herbert Burton | 20 | Son | — | Idaho |
| 33 | William L. Frick | 34 | Head | Laborer | Iowa |
| 34 | Minerva J. Frick | 28 | Wife | — | Wyoming |
| 35 | Robert W. Frick | 7 | Son | — | Wyoming |
| 36 | Alice M. Frick | 5 | Daughter | — | Idaho |
| 37 | Richard A. Frick | 3 | Son | — | Idaho |
| 38 | Lewis R. Frick | 1 | Son | — | Idaho |
| 39 | Antoine Thyrend | 70 | Head | — | Utah |
| 40 | Nellie Thyrend | 61 | Wife | — | Iowa |
Pedigree Summary
Lawrence
Gen 1 · 3 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)