EW
Earl Walker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Earl Walker across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Walker |
| Given Name | Earl O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Clerical |
| Industry | Factory office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 940 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Clerical |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1919 |
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 Earl | Age | Birth yr |
|---|---|---|---|---|
| William Walker | Head | — | 53 | ~1887 |
| William Walker | Son | — | 26 | ~1914 |
| Earl Walker | Son | — | 21 | ~1919 |
| Minnie Walker | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Polk, Iowa
Son, age 1
Polk, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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 11
Polk, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Earl O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 21
Polk-County, Iowa · implied b. ~1919 — 4 household members
| Surname | Walker |
| Given Name | Earl O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Clerical |
| Industry | Factory office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 940 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Earl Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Walker (~0.92 confidence) and father William Walker (~0.92 confidence) and mother Minnie Walker (~0.92 confidence) and mother Minnie Walker (~0.92 confidence) and mother Virginia Walker (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Walker
b. ~1888
Source father
● Household
· direct · ~0.92
Father
William Walker
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Minnie Walker
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Minnie Walker
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Virginia Walker
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Walker
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
William Walker
Sibling · 1940 · age 26
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
39 people indexed on this census page (nara:1940:m-t0627-01193-00228)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie E. Maurer | 49 | Head | — | Missouri |
| 2 | James Maurer | 21 | Daughter | Receptionist | Missouri |
| 3 | Claudine Maurer | 15 | Daughter | — | Nebraska |
| 4 | Gladys Miller | 42 | Head | Fur Finisher | Same place |
| 5 | Thelma Miller | 16 | Daughter | — | Same place |
| 6 | Shirley Miller | 15 | Daughter | — | Same place |
| 7 | Maxine Miller | 12 | Daughter | — | Same place |
| 8 | J. Norley Bradshaw | 38 | Brother | Laborer | Same place |
| 9 | Jack Bradshaw | 10 | Nephew | — | Same place |
| 10 | Jerry Bradshaw | 9 | Nephew | — | Same place |
| 11 | Marilyn Bradshaw | 7 | Niece | — | Same place |
| 12 | Mike Bradshaw | 5 | Nephew | — | Same place |
| 13 | Lorene Myrtle | 61 | Lodger | Housekeeper | Iowa |
| 14 | Myrtle M. Petty | 20 | Lodger | Beauty Operator | Iowa |
| 15 | Paul J. Pershing | 24 | Head | Clerical | Iowa |
| 16 | Marjorie Pershing | 23 | Wife | — | Iowa |
| 17 | James P. Pershing | 1 | Son | — | Iowa |
| 18 | Elmer Main | 51 | Head | Carpenter | Nebraska |
| 19 | Francis C. Main | 39 | Wife | — | Iowa |
| 20 | Carey N. Main | 19 | Son | Drug Clerk | Iowa |
| 21 | Alta J. Main | 18 | Daughter | Stenographer | Iowa |
| 22 | Aletha Main | 16 | Daughter | — | Iowa |
| 23 | Mary E. Main | 15 | Daughter | — | Iowa |
| 25 | John P. Hansman | 44 | Head | Foreman | Iowa |
| 26 | Susan Hansman | 42 | Wife | — | Iowa |
| 27 | Joe R. Hansman | 27 | Brother | Attorney | Iowa |
| 28 | Johanna Deheck | 67 | Mother in law | — | Iowa |
| 29 | William O. Walker | 53 | Head | Clerical | Iowa |
| 30 | Minnie M. Walker | 53 | Wife | — | Iowa |
| 31 | William H. Walker | 26 | Son | Pressman | Iowa |
| 32 | Earl O. Walker THIS PERSON | 21 | Son | Clerical | Iowa |
| 33 | Paul T. Adams | 31 | Head | Salesman | Iowa |
| 34 | S. Vernita Adams | 30 | Wife | — | Colorado |
| 35 | Patricia J. Adams | 9 | Daughter | — | Illinois |
| 36 | Nancy L. Adams | 2 | Daughter | — | Iowa |
| 37 | Albert J. Binsfield | 40 | Head | Salesman | Missouri |
| 38 | Ruth J. Binsfield | 38 | Wife | Stenographer | Iowa |
| 39 | Clara J. Martin | 29 | Sister in law | Secretarial | Iowa |
| 40 | May Martin | 60 | Mother in law | — | Iowa |
Related Census Records
Pedigree Summary
Earl + 1 sibling
Gen 1 · 5 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)