RA
Roy Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lake-County, Illinois
Our Model Tree links this Roy Anderson across the 1920, 1930 and 1940 US Censuses in Lake-County, Illinois (XGBoost, ~Confirmed), with identified parents Adolph & Alvida — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Illinois |
| Surname | Anderson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Waukegan City |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Public utility gas |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 210 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Bookkeeper |
| Township / Ward | Waukegan City |
| Est. Birth Year | ~1902 |
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 Roy | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Anderson | Daughter | — | 1 | ~1939 |
| Charlotte Anderson | Daughter | — | 12 | ~1928 |
| Roy Anderson | Head | — | 38 | ~1902 |
| Adeline Anderson | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Lake, Illinois
Son, age 18
Lake, Illinois · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Lake, Illinois
Son, age 28
Lake, Illinois · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Bookkeeper |
| Industry | Gas plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lake-County, Illinois
Head, age 38
Lake-County, Illinois · implied b. ~1902 — 4 household members
| Surname | Anderson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Waukegan City |
| 1935 Residence (County) | Lake |
| Occupation | Bookkeeper |
| Industry | Public utility gas |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 210 |
| Highest Grade | H 4 |
| 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 Roy Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Adolph Anderson (~0.92 confidence) and mother Alvida Anderson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adolph Anderson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Alvida Anderson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Anderson
Head · 1940 · age 38 · b. ~1902 · 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 — Lake-County, Illinois
Open full size
1940 US Federal Census — Lake-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00831-00272)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norma Redding | 9 | Daughter | — | Illinois |
| 2 | Dorothy Redding | 7 | Daughter | — | Illinois |
| 3 | Mary Strohm | 48 | Head | Servant | Pennsylvania |
| 4 | Eva Strohm | 30 | Daughter | Inquiry Clerk | Pennsylvania |
| 5 | Helen Strohm | 26 | Daughter | Comptometer Operator | Pennsylvania |
| 6 | Florence Schumaker | 49 | Head | Servant | Illinois |
| 7 | Elizabeth Schumaker | 18 | Daughter | Inspector | Illinois |
| 8 | Robert York | 32 | Head | Proprietor | Illinois |
| 9 | Amanda York | 35 | Wife | — | Wisconsin |
| 10 | Le Roy York | 0 | Son | — | Illinois |
| 11 | Roy Anderson THIS PERSON | 38 | Head | Bookkeeper | Illinois |
| 12 | Adeline Anderson | 31 | Wife | — | Illinois |
| 13 | Charlotte Anderson | 12 | Daughter | — | Illinois |
| 14 | Geraldine Anderson | 1 | Daughter | — | Illinois |
| 15 | Eric Carlson | 46 | Head | Carpenter | Sweden |
| 16 | Hannah Carlson | 53 | Wife | — | Sweden |
| 17 | Raymond Carlson | 24 | Son | Inspector | Illinois |
| 18 | Lloyd Carlson | 22 | Son | Truck Driver | Illinois |
| 19 | Florence Carlson | 20 | Daughter | Stenographer | Illinois |
| 20 | Doris Carlson | 18 | Daughter | Receptionist | Illinois |
| 21 | Ira St. Peter | 62 | Head | Motorman | Indiana |
| 22 | Bonnie Lillie St. Peter | 65 | Wife | — | Indiana |
| 23 | John Rause | 54 | Head | Proprietor | Illinois |
| 24 | Amelia Rause | 56 | Wife | — | Illinois |
| 25 | Alice Rause | 26 | Daughter | Manicurist | Illinois |
| 26 | James Triller | 69 | Head | — | Wisconsin |
| 27 | Elfrieda Triller | 51 | Wife | Trained Nurse | Norway |
| 28 | Eleanor Triller | 22 | Daughter | — | North Dakota |
| 29 | Jeanette Triller | 19 | Daughter | Stenographer | Illinois |
| 30 | Michael Aquilino | 64 | Head | — | Italy |
| 31 | Anna Aquilino | 63 | Wife | — | Austria |
| 32 | Joan Aquilino | 34 | Daughter | Bookkeeper | Illinois |
| 33 | Nicholas Aquilino | 30 | Son | Laborer | Illinois |
| 34 | Mary Aquilino | 28 | Daughter | Saleslady | Illinois |
| 35 | Ann Aquilino | 26 | Daughter | Assembler | Illinois |
| 36 | Victor Aquilino | 24 | Son | — | Illinois |
| 37 | Edith Aquilino | 21 | Daughter | Assembler | Illinois |
| 38 | Joseph Aquilino | 19 | Son | Assembler | Illinois |
| 39 | Mario Lencioni | 36 | Head | Bartender | Italy |
| 40 | Julia Lencioni | 37 | Wife | Proprietor | Wisconsin |
Pedigree Summary
Roy
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)