RE
Robert Evans — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Robert Evans across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Edward & Abbie — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Evans |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Const |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 300 |
| Highest Grade | H 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Allen Twp |
| Est. Birth Year | ~1914 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Edward Evans | Head | — | 60 | ~1880 |
| Robert Evans | Son | — | 26 | ~1914 |
| Donald Evans | Son | — | 28 | ~1912 |
| Abbie Evans | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Polk, Iowa
Son, age 4
Polk, Iowa · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | Robert R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 15
Polk, Iowa · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 26
Polk-County, Iowa · implied b. ~1914 — 4 household members
| Surname | Evans |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Polk |
| Occupation | Laborer |
| Industry | Road Const |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 300 |
| Highest Grade | H 4 |
| 1935 Residence | Iowa |
| 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 Robert Evans across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Evans (~0.92 confidence) and mother Abbie Evans (~0.92 confidence) and father Bert Evans (~0.92 confidence) and mother Ethel Evans (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Evans
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Abbie Evans
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Bert Evans
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Ethel Evans
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Evans
Son · 1940 · age 26 · b. ~1914 · Iowa
★ You are viewing this record
Sibling
Donald Evans
Sibling · 1940 · age 28
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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01192-00005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward O Evans | 60 | Head | Farmer | Iowa |
| 2 | Abbie L Evans | 58 | Wife | — | Ill |
| 3 | Donald C Evans | 28 | Son | Attendant | Iowa |
| 4 | Robert Evans THIS PERSON | 26 | Son | Laborer | Iowa |
| 5 | Oliver S Evans | 30 | Head | Prop | Iowa |
| 6 | William H Peck | 44 | Head | Handy Man | Iowa |
| 7 | Alva S Peck | 42 | Wife | — | Iowa |
| 8 | Avis A Brown | 43 | Head | Prop | Iowa |
| 9 | John D Zumwalt | 20 | Son | Clerk | Iowa |
| 10 | Hortense Butler | 21 | Lodger | Clerk | Iowa |
| 11 | Roy R Mcelvogue | 56 | Head | Farmer | Iowa |
| 12 | Beulah Mcelvogue | 54 | Wife | — | Ark |
| 13 | Jesse D Mitchell | 48 | Head | Auto Mechanic | Iowa |
| 14 | Clyde D Mcaninch | 24 | Head | Laborer | Iowa |
| 15 | Irene Mcaninch | 18 | Wife | — | Iowa |
| 16 | Everett Mcaninch | 1 | Son | — | Iowa |
| 17 | John B Miner | 46 | Head | — | Ill |
| 18 | Lizzie Miner | 38 | Wife | — | Iowa |
| 19 | Emmett Heathley | 53 | Lodger | Laborer | Mo |
| 20 | Enoch Heathley | 48 | Lodger | Laborer | Mo |
| 21 | Leonard D Vanderlinden | 39 | Head | Caterpillar Operator | Iowa |
| 22 | Hazel Vanderlinden | 39 | Wife | — | Iowa |
| 23 | Richard Vanderlinden | 8 | Son | — | Iowa |
| 24 | George R Baker | 75 | Head | — | Iowa |
| 25 | Angie Baker | 67 | Wife | — | Iowa |
| 26 | Ray G Wilson | 54 | Head | Farmer | Iowa |
| 27 | Christine Wilson | 52 | Wife | — | Iowa |
| 28 | Charles S Hockett | 67 | Head | — | Iowa |
| 29 | Dorthulia Hockett | 71 | Wife | — | Iowa |
| 30 | Edgar R Paulsen | 36 | Head | Mechanic | Iowa |
| 31 | Pauline Paulsen | 22 | Wife | — | Mich |
| 32 | Robert Paulsen | 6 | Son | — | Iowa |
| 33 | Darrell Paulsen | 4 | Son | — | Iowa |
| 34 | Richard A Rothfus | 36 | Head | Farmer | Iowa |
| 35 | Mary Rothfus | 33 | Wife | — | Iowa |
| 36 | Raymond Rothfus | 5 | Son | — | Iowa |
| 37 | Rosemary Rothfus | 3 | Daughter | — | Iowa |
| 38 | William E Mcvee | 20 | Head | — | Iowa |
Pedigree Summary
Robert + 1 sibling
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)