LA
Lawrence Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Lawrence Anderson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Claus & Claus — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Anderson |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rock Island City |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | Apprentice Optician |
| Industry | Government Navy Yard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Apprentice Optician |
| Township / Ward | Rock Island City |
| Est. Birth Year | ~1912 |
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 Anderson | Son | — | 28 | ~1912 |
| Phyllis Anderson | Other | — | 24 | ~1916 |
| Selma Anderson | Spouse | — | 58 | ~1882 |
| Claus Anderson | Head | — | 64 | ~1876 |
Census Appearances
1920
Rock Island, …
Son, age 8
Rock Island, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Son, age 18
Rock Island, Illinois · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Laurence C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Painter |
| Industry | Metal Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Son, age 28
Rock-Island-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Anderson |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rock Island City |
| 1935 Residence (County) | Rock Island |
| Occupation | Apprentice Optician |
| Industry | Government Navy Yard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| 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 Lawrence Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Claus Anderson (~0.92 confidence) and father Claus Anderson (~0.92 confidence) and mother Emma Anderson (~0.92 confidence) and mother Selma Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Claus Anderson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Claus Anderson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Emma Anderson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Selma Anderson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Anderson
Son · 1940 · age 28 · b. ~1912 · Illinois
★ 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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00877-00361)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Steakman | 34 | Brother | Roll Setter | Iowa |
| 42 | Anna M. Talberg | 57 | Head | — | Illinois |
| 43 | Wesley R. Talberg | 32 | Son | Shipping Clerk | Illinois |
| 44 | Orlen M. Bowman | 55 | Lodger | Machinist | Illinois |
| 45 | John Jr. Banks | 28 | Head | Hot Press Operator | Illinois |
| 46 | John C. Banks | 66 | Father | — | Illinois |
| 47 | Emma Banks | 55 | Mother | — | Illinois |
| 48 | Willis Banks | 26 | Brother | Electric Welder | Illinois |
| 49 | James Donahue | 40 | Brother in law | Car Builder | Iowa |
| 50 | Viola Donahue | 34 | Sister | Cashier | Illinois |
| 51 | Charles C. Jasper | 58 | Head | Checker | Iowa |
| 52 | Pauline Jasper | 62 | Wife | — | Belgium |
| 53 | Earl Marticko | 44 | Lodger | Assembler | Iowa |
| 54 | Ralph Huston | 48 | Head | Machinist | Illinois |
| 55 | Daisie Huston | 50 | Wife | — | Illinois |
| 56 | Forrest Smith | 32 | Head | Assembler | Illinois |
| 57 | Margaret Smith | 25 | Wife | — | Illinois |
| 58 | Claus Anderson | 64 | Head | Polisher | Sweden |
| 59 | Selma Anderson | 58 | Wife | — | Sweden |
| 60 | Lawrence Anderson THIS PERSON | 28 | Son | Apprentice Optician | Illinois |
| 61 | Phyllis Anderson | 24 | Daughter in law | Saleslady | Illinois |
| 62 | Edward Kahoun | 31 | Head | Machine Operator | Illinois |
| 63 | Edna Kahoun | 31 | Wife | — | Iowa |
| 64 | Lawrence P. Strayer | 65 | Head | — | Illinois |
| 65 | Henry L. Strayer | 27 | Son | Laborer & Deliveryman | Illinois |
| 66 | Raymond Strayer | 23 | Son | Serviceman | Illinois |
| 67 | Vernon A. Schultz | 21 | Lodger | Salesman | Iowa |
| 68 | Milo Christiansen | 47 | Head | Truck Driver | Michigan |
| 69 | Mable Christiansen | 48 | Wife | — | Illinois |
| 70 | Vergil R. Dunlap | 39 | Head | Machine Operator | Indiana |
| 71 | Beltrude Dunlap | 38 | Wife | — | Indiana |
| 72 | Robert Dunlap | 16 | Son | Laborer | Indiana |
| 73 | James Dunlap | 15 | Son | — | Indiana |
| 74 | Fred Dunlap | 14 | Son | — | Indiana |
| 75 | Mary A. Dunlap | 13 | Daughter | — | Indiana |
| 76 | Fred P. Loge | 49 | Head | Carpenter | Illinois |
| 77 | Agnes R. Loge | 36 | Wife | — | Illinois |
| 78 | Charles Slater | 20 | Step son | Laborer | Illinois |
| 79 | Earl Johnson | 34 | Head | Grinder | Illinois |
| 80 | Frieda Johnson | 32 | Wife | — | Illinois |
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)