RW
Robert Walker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Robert Walker across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Llewellyn & Nathaniel — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Colorado
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Walker |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Separated |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Retail Service |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 960 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Retail Service |
| Township / Ward | Denver |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| Rosemary Walker | Daughter | — | 18 | ~1922 |
| Cynthia Walker | Head | — | 50 | ~1890 |
| Nathaniel Walker | Son | — | 24 | ~1916 |
| Robert Walker | Son | — | 28 | ~1912 |
Census Appearances
1920
Denver, Colorado
Son, age 7
Denver, Colorado · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Occupation | none |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 18
Denver, Colorado · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 28
Denver-County, Colorado · implied b. ~1912 — 4 household members
| Surname | Walker |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Separated |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Occupation | Retail Service |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 960 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Llewellyn Walker (~0.92 confidence) and father Nathaniel Walker (~0.92 confidence) and mother Cynthia Walker (~0.92 confidence) and mother Cynthia Walker (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Llewellyn Walker
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Nathaniel Walker
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Cynthia Walker
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Cynthia Walker
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Walker
Son · 1940 · age 28 · b. ~1912 · Colorado
★ You are viewing this record
Sibling
Nathaniel Walker
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Walker
Sibling · 1940 · age 18
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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00484-00569)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael J. Doyle | 50 | Head | Owner | Eire |
| 2 | Mary A. Doyle | 47 | Wife | — | Colorado |
| 3 | Bernard Doyle | 14 | Son | — | Colorado |
| 4 | Vincent Doyle | 12 | Son | — | Colorado |
| 5 | Mayllen Doyle | 10 | Daughter | — | Colorado |
| 6 | Peggy Doyle | 8 | Daughter | — | Colorado |
| 7 | Mary Louise Harrington | 80 | Asst | — | Eire |
| 8 | Cynthia Ann Walker | 50 | Head | — | Colorado |
| 9 | Robert J. Walker THIS PERSON | 28 | Son | Retail Service | Colorado |
| 10 | Nathaniel Walker | 24 | Son | Clerk | Colorado |
| 11 | Rosemary Walker | 18 | Daughter | — | Colorado |
| 12 | Walter L. Overton | 49 | Head | Foreman | Ohio |
| 13 | Anne J. Overton | 46 | Wife | — | Kansas |
| 14 | Charlotte Overton | 25 | Daughter | Operator | Colorado |
| 15 | Charles W. Overton | 17 | Son | — | Colorado |
| 16 | James Pitt | 48 | Head | Captain | Colorado |
| 17 | Pearl Pitt | 49 | Wife | — | Colorado |
| 18 | Harvey J. Cabbitt | 33 | Head | Barber | Nebraska |
| 19 | Florence Cabbitt | 35 | Wife | — | Illinois |
| 20 | Ted Halmi | 36 | Head | Manager | Hungary |
| 21 | Edith Halmi | 30 | Wife | — | Pueblo |
| 22 | Colo Halmi | 8 | Son | — | Indiana |
| 23 | Zita Halmi | 5 | Daughter | — | Indiana |
| 24 | Geza Holmi | 71 | Father | — | Hungary |
| 25 | Alice Mae Carmichael | 19 | Niece | Bookkeeper | Indiana |
| 26 | Lee Ulrich | 41 | Head | Welder | Colorado |
| 27 | Opal Ulrich | 43 | Wife | — | Kansas |
| 28 | Shirley Ulrich | 19 | Daughter | — | Colorado |
| 29 | Geraldine Ulrich | 16 | Daughter | — | Colorado |
| 30 | Jeanne Fancher | 17 | Niece | — | Colorado |
| 31 | Edas C. Kewart | 66 | Head | — | Missouri |
| 32 | Robert M. Murray | 46 | Head | Owner | Colorado |
| 33 | Jacqueline Murray | 40 | Wife | — | Missouri |
| 34 | Mary Ellen Murray | 20 | Daughter | Stenographer | Colorado |
| 35 | Jacqueline Murray | 16 | Daughter | — | Colorado |
| 36 | Robert Murray | 10 | Son | — | Colorado |
| 37 | Wm. C. Bunns | 60 | Head | Prospector | Iowa |
| 38 | Lina C. Bunns | 60 | Wife | Teacher | Nebraska |
| 39 | Albert Bennett | 35 | Head | Salesman | Illinois |
| 40 | Marian Bennett | 34 | Wife | Cashier | Colorado |
Pedigree Summary
Robert + 2 siblings
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)