JL
James Lawson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mchenry-County, Illinois
Our Model Tree links this James Lawson across the 1920, 1930 and 1940 US Censuses in Mchenry-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Cora — first a son (b.~1907), then head of a 6-person household.
Age 33
b. ~1907
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mchenry-County, Illinois |
| Surname | Lawson |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Huntley Village |
| 1935 Residence (County) | McHenry |
| Additional Details | |
| Occupation | Meat cutter |
| Industry | Meat Market |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 522 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Meat Cutter |
| Township / Ward | Huntley Village |
| Est. Birth Year | ~1907 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Hazel Lawson | Daughter | — | 25 | ~1915 |
| Viola Lawson | Daughter | — | 22 | ~1918 |
| Frank Lawson | Head | — | 66 | ~1874 |
| James Lawson | Son | — | 33 | ~1907 |
| Frank Lawson | Son | — | 24 | ~1916 |
| Cora Lawson | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Mchenry, Illinois
Son, age 13
Mchenry, Illinois · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Industry | School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mchenry, Illinois
Son, age 23
Mchenry, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Assistant Surveyor |
| Industry | Highway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mchenry-County, Illinois
Son, age 33
Mchenry-County, Illinois · implied b. ~1907 — 6 household members
| Surname | Lawson |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Huntley Village |
| 1935 Residence (County) | McHenry |
| Occupation | Meat cutter |
| Industry | Meat Market |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 522 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 James Lawson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Lawson (~0.92 confidence) and mother Cora Lawson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Lawson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Cora Lawson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Lawson
Son · 1940 · age 33 · b. ~1907 · Illinois
★ You are viewing this record
Sibling
Frank Lawson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Lawson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Lawson
Sibling · 1940 · age 25
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 — Mchenry-County, Illinois
Open full size
1940 US Federal Census — Mchenry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00840-00684)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary X Heineman | 68 | wife | — | Illinois |
| 42 | Bernice Heineman | 43 | daughter | English Teacher | Illinois |
| 43 | Gertrude X Hurd | 54 | head | — | Illinois |
| 44 | Russel Hurd | 25 | son | Clerk | Illinois |
| 45 | Oscar Anderson | 59 | head | Road Grader | Sweden |
| 46 | Sarah X Anderson | 53 | wife | — | Sweden |
| 47 | Merrett Anderson | 25 | son | Auto Mechanic | Montana |
| 48 | John X Semne | 82 | head | — | Switzerland |
| 49 | Emma Paramore | 64 | niece | — | Illinois |
| 50 | Willis P X Mac Gralo | 68 | head | Broker | New York |
| 51 | Ina W Mac Gralo | 65 | wife | — | Ohio |
| 52 | Henry West | 52 | head | Manager | Michigan |
| 53 | Blanche X West | 44 | wife | Assistant | Illinois |
| 54 | Henry Jacobs | 55 | head | Manager | Illinois |
| 55 | Bertha X Jacobs | 53 | wife | — | Germany |
| 56 | Richard Jacobs | 12 | son | — | Illinois |
| 57 | Josephine Johnson | 60 | head | Housekeeper | Iowa |
| 58 | Amy X Johnson | 35 | daughter | — | Iowa |
| 59 | John X Karby | 57 | head | Manager | Mississippi |
| 60 | Kathrine Karby | 56 | wife | — | Illinois |
| 61 | Kenneth Karby | 22 | son | Waiter | Illinois |
| 62 | Herman Lambrecht | 56 | head | Laborer | Illinois |
| 63 | Bertha X Lambrecht | 60 | wife | — | Germany |
| 64 | Minnie Lambrecht | 35 | daughter | Watch Worker | Illinois |
| 65 | Frank Lawson | 66 | head | — | Illinois |
| 66 | Cora X Lawson | 63 | wife | — | Illinois |
| 67 | James Lawson THIS PERSON | 33 | son | Meat Cutter | Illinois |
| 68 | Hazel Lawson | 25 | daughter | Housekeeper | Illinois |
| 69 | Frank Jr Lawson | 24 | son | Polisher | Illinois |
| 70 | Viola Lawson | 22 | daughter | Stenographer | Illinois |
| 71 | Mary X Stading | 71 | head | — | Germany |
| 72 | Emma Stading | 49 | daughter | — | Illinois |
| 73 | Sophus Michlesen | 47 | head | Mechanic | Minnesota |
| 74 | Bernice X Michlesen | 42 | wife | — | Illinois |
| 75 | Richard Michlesen | 11 | son | — | Illinois |
| 76 | William Evert | 62 | head | Laborer | Germany |
| 77 | Dorothea X Evert | 26 | daughter | Clerk | Illinois |
| 78 | Lester Evert | 21 | son | Machinist | Illinois |
| 79 | Edna Evert | 22 | daughter in law | — | Illinois |
| 80 | Elmer Sewell | 44 | head | Barber | Illinois |
Pedigree Summary
James + 3 siblings
Gen 1 · 2 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)