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Clarence Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Clarence Anderson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Anderson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | East Moline |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | Captain fireman |
| Industry | City Fire Department |
| Class of Worker | GW |
| Hours Worked | 96 |
| Income (1939) | 1650 |
| Highest Grade | G 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Captain Fireman |
| Township / Ward | East Moline |
| Est. Birth Year | ~1901 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Anderson | Head | — | 39 | ~1901 |
| George Otte | Other | — | 70 | ~1870 |
| Raymond Anderson | Son | — | 13 | ~1927 |
| Albert Anderson | Son | — | 16 | ~1924 |
| Helen Anderson | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Rock Island, …
Son, age 18
Rock Island, Illinois · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Rock Island, …
Head, age 29
Rock Island, Illinois · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Captain |
| Industry | City Fire Dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3800 |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Rock-Island-County, Illinois
Head, age 39
Rock-Island-County, Illinois · implied b. ~1901 — 5 household members
| Surname | Anderson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | East Moline |
| 1935 Residence (County) | Rock Island |
| Occupation | Captain fireman |
| Industry | City Fire Department |
| Class of Worker | GW |
| Hours Worked | 96 |
| Income (1939) | 1650 |
| Highest Grade | G 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Clarence Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Anderson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Anderson
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Anderson
Head · 1940 · age 39 · b. ~1901 · 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-t0627-00874-00513)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George B. Allen | 35 | Head | (None) | Missouri |
| 42 | Claudia June Allen | 33 | Wife | — | Illinois |
| 43 | Jerry Allen | 7 | Son | — | Illinois |
| 44 | Donald Lee Allen | 6 | Son | — | Illinois |
| 45 | Cecil F. Mcfarland | 28 | Head | Worker In Pot Shop | Iowa |
| 46 | Phuline Mcfarland | 25 | Wife | — | Iowa |
| 47 | Larry Mcfarland | 1 | Son | — | Iowa |
| 48 | Joseph Stuler | 25 | Head | Printer | Illinois |
| 49 | Viola Stuler | 23 | Wife | Feeder | Iowa |
| 50 | Richard Stuler | 2 | Son | — | Illinois |
| 51 | Julius Hendricks | 35 | Head | Assembler | Illinois |
| 52 | Ann Hendricks | 35 | Wife | Waitress | Minnesota |
| 53 | Joann Daughter Hendricks | 3 | Daughter | — | Illinois |
| 54 | Louise Hendricks | 65 | Head | — | Belgium |
| 55 | George Newborn | 53 | Head | Treating Plant Supt | Arkansas |
| 56 | Josephine Newborn | 52 | Wife | — | Arkansas |
| 57 | George Jr. Newborn | 21 | Son | Car Washer | Arkansas |
| 58 | Neliska Newborn | 26 | Daughter | Entertainer | Louisiana |
| 59 | Vern Loy | 45 | Head | Checker Forge Shop | Indiana |
| 60 | Margaret Loy | 41 | Wife | — | Indiana |
| 61 | Glen Loy | 19 | Son | Filling Station Attendant | Indiana |
| 62 | Betty Jane Loy | 15 | Daughter | — | Illinois |
| 63 | Verna Mae Loy | 11 | Daughter | — | Illinois |
| 64 | Clarence Anderson THIS PERSON | 39 | Head | Captain Fireman | Iowa |
| 65 | Helen Anderson | 38 | Wife | — | Illinois |
| 66 | Albert Anderson | 16 | Son | — | Illinois |
| 67 | Raymond Anderson | 13 | Son | — | Illinois |
| 68 | George Otte | 70 | Father-in-law | — | Missouri |
| 69 | Alonzo Tice | 36 | Head | Parts (Motor) Inspector | Illinois |
| 70 | Winifred Tice | 28 | Wife | — | Illinois |
| 71 | Warren Tice | 10 | Son | — | Illinois |
| 72 | James Ishmael | 68 | Head | Watchman | Illinois |
| 73 | Laura Ishmael | 65 | Wife | — | Illinois |
| 74 | George Ishmael | 25 | Son | Trucker | Illinois |
| 75 | Warren Ishmael | 27 | Son | Station Operator | Illinois |
| 76 | Delphia Ishmael | 19 | Daughter-in-law | — | South Dakota |
| 77 | Peter Van De Voorde | 29 | Head | Machinist | Illinois |
| 78 | Gretchen Van De Voorde | 24 | Wife | — | Illinois |
| 79 | Terry Van De Voorde | 2 | Son | — | Illinois |
| 80 | Charles Reese | 34 | Head | Assembler | Illinois |
Pedigree Summary
Clarence
Gen 1 · 1 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)