RW
Richard Walker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this Richard Walker across the 1920, 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed), with identified parents Minnie & Fred — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | Walker |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | DYERSVILLE CITY |
| 1935 Residence (County) | DUBUQUE |
| Additional Details | |
| Occupation | Cashier |
| Industry | Cafe |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 210 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Cashier |
| Township / Ward | Dyersville City |
| Est. Birth Year | ~1917 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Emma Walker | Spouse | — | 57 | ~1883 |
| Richard Walker | Son | — | 23 | ~1917 |
| Fred Walker | Head | — | 63 | ~1877 |
| Gilbert Walker | Son | — | 30 | ~1910 |
Census Appearances
1920
Dubuque, Iowa
Son, age 3
Dubuque, Iowa · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dubuque, Iowa
Son, age 13
Dubuque, Iowa · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Son, age 23
Dubuque-County, Iowa · implied b. ~1917 — 4 household members
| Surname | Walker |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | DYERSVILLE CITY |
| 1935 Residence (County) | DUBUQUE |
| Occupation | Cashier |
| Industry | Cafe |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 210 |
| Highest Grade | No 8 |
| 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 Richard Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Minnie Walker (~0.53 confidence) and father Fred Walker (~0.92 confidence) and father Fred Walker (~0.92 confidence) and father Fred Walker (~0.92 confidence) and mother Emma Walker (~0.92 confidence). The pedigree spans 2 generations with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Mother
Minnie Walker
b. ~1869
Source father>mother
● Household
· direct · ~0.53
Father
Fred Walker
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Fred Walker
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Fred Walker
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Emma Walker
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Walker
Son · 1940 · age 23 · b. ~1917 · Iowa
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Sibling
Gilbert Walker
Sibling · 1940 · age 30
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 — Dubuque-County, Iowa
Open full size
1940 US Federal Census — Dubuque-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01159-00521)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Catherine Hentges | 15 | Daughter | — | Iowa |
| 42 | Elmer Hentges | 11 | Son | — | Iowa |
| 43 | Alice Hentges | 8 | Daughter | — | Iowa |
| 44 | Hilda Tauke | 35 | Head | Examiner | Iowa |
| 45 | Richard Tauke | 23 | Brother | Meter Reader | Iowa |
| 46 | Anna M. | 73 | Head | Attorney | Iowa |
| 47 | Edward Brueckner | 65 | Head | Retail Druggist | Michigan |
| 48 | Mary Brueckner | 57 | Wife | — | Iowa |
| 49 | Elise Brueckner | 33 | Daughter | Clerk | Iowa |
| 50 | Ruth Brueckner | 28 | Daughter | — | Iowa |
| 51 | Celeste Brueckner | 26 | Daughter | Stenographer | Iowa |
| 52 | John R.B. Brueckner | 24 | Son | — | Iowa |
| 53 | Bertha Cunningham | 61 | Head | Janitor | Iowa |
| 54 | Margaret Manley | 71 | Head | — | Iowa |
| 55 | John W. Manley | 31 | Son | Attorney | Iowa |
| 56 | Henry A. Fangmann | 71 | Head | — | Iowa |
| 57 | Mary Fangmann | 71 | Wife | — | Iowa |
| 58 | Florence Fangmann | 33 | Daughter | — | Iowa |
| 59 | Henry B. Willenborg | 59 | Head | Insurance Agent Mayor Of City | Iowa |
| 60 | Cecilia Willenborg | 59 | Wife | — | Iowa |
| 61 | Frederick H. Willenborg | 27 | Son | Salesman | Iowa |
| 62 | Elmer Willenborg | 37 | Head | Asst Cashier | Iowa |
| 63 | Mary Willenborg | 36 | Wife | — | Wisconsin |
| 64 | Peter A. Willenborg | 1 | Son | — | Iowa |
| 65 | William Drexler | 59 | Head | Retail Shoe Merchant | Iowa |
| 66 | Irene Drexler | 44 | Wife | — | Iowa |
| 67 | Harold Drexler | 18 | Son | — | Iowa |
| 68 | Catherine Drexler | 15 | Daughter | — | Iowa |
| 69 | Jacob Friedman | 67 | Head | Surveyor | Iowa |
| 70 | Frederick Margaret Friedman | 57 | Cousin | Housekeeper | Iowa |
| 71 | Pearl Henkels | 49 | Head | — | Iowa |
| 72 | Jeanne Henkels | 21 | Daughter | Clerk | Iowa |
| 73 | Fred B. Walker | 63 | Head | Proprietor | Iowa |
| 74 | Emma Walker | 57 | Wife | — | Iowa |
| 75 | Gilbert Walker | 30 | Son | Manager | Iowa |
| 76 | Richard Walker THIS PERSON | 23 | Son | Cashier | Iowa |
| 77 | Timothy N. Kelley | 53 | Head | — | Iowa |
| 78 | Frank Kelley | 51 | Brother | — | Iowa |
| 79 | Rose Kelley | 44 | Sister | Machine Operator | Iowa |
| 80 | Gerhard H. Weyens | 61 | Head | Proprietor Barber Shop | Iowa |
Related Census Records
Pedigree Summary
Richard + 1 sibling
Gen 1 · 4 parents
~0.92
Gen 2 · 1 grandparents
~0.53
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)