SW
Samuel Walker — 1940 US Census Record
Model Tree available1940 United States Federal Census · District-Of-Columbia-County, District of Columbia
Our Model Tree links this Samuel Walker across the 1920, 1930 and 1940 US Censuses in District-Of-Columbia-County, District of Columbia (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Son
Born: Dist. of Col.
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | District-Of-Columbia-County, District of Columbia |
| Surname | Walker |
| Given Name | Samuel A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Dist. of Col. |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Additional Details | |
| Occupation | Plumber |
| Industry | Plumbing Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birthplace (normalized) | dist of col |
| Occupation | Plumber |
| Township / Ward | Washington |
| Est. Birth Year | ~1900 |
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 Samuel | Age | Birth yr |
|---|---|---|---|---|
| Samuel Walker | Son | — | 40 | ~1900 |
| Idella Walker | Spouse | — | 72 | ~1868 |
| John Walker | Head | — | 74 | ~1866 |
| James Walker | Son | — | 51 | ~1889 |
Census Appearances
1920
X, District …
Son, age 19
X, District of Columbia · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Samuel C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Dist of Col |
| Father's Birthplace | Dist of Col |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birthplace (normalized) | dist of col |
1930
None, District …
Son, age 29
None, District of Columbia · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Samuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Dist. of Col. |
| Age at First Marriage | 26 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Occupation | Plumber |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birthplace (normalized) | dist of col |
1940
District-Of-Columbia-County, District …
Son, age 40
District-Of-Columbia-County, District of Columbia · implied b. ~1900 — 4 household members
| Surname | Walker |
| Given Name | Samuel A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Dist. of Col. |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Occupation | Plumber |
| Industry | Plumbing Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birthplace (normalized) | dist of col |
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 Samuel Walker across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Walker (~0.92 confidence) and father John Walker (~0.92 confidence) and mother Idella Walker (~0.92 confidence) and mother Lelia Walker (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Walker
b. ~1865
Source father
● Household
· direct · ~0.92
Father
John Walker
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Idella Walker
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Lelia Walker
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Samuel Walker
Son · 1940 · age 40 · b. ~1900 · District of Columbia
★ You are viewing this record
Sibling
James Walker
Sibling · 1940 · age 51
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 — District-Of-Columbia-County, District of Columbia
Open full size
1940 US Federal Census — District-Of-Columbia-County, District of Columbia
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00557-00847)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Loretta T. Barnes | 39 | Head | Clerk | Baltimore |
| 42 | Mary A. Barnes | 45 | Sister | — | Maryland |
| 43 | James M. Harrison | 34 | Head | Laborer | Virginia |
| 44 | Verna B. Harrison | 29 | Wife | — | Virginia |
| 45 | Betty M. Harrison | 9 | Daughter | — | Dist. of Col. |
| 46 | Doris L. Harrison | 7 | Daughter | — | Dist. of Col. |
| 47 | Elizabeth M. Harrison | 5 | Daughter | — | Dist. of Col. |
| 48 | James F. Harrison | 4 | Son | — | Dist. of Col. |
| 49 | William A. Copp | 36 | Head | General Helper | Virginia |
| 50 | Isabelle T. Copp | 43 | Wife | Sorter | Florida |
| 51 | Mary J. Everett | 22 | Head | Clerk | Ohio |
| 52 | Graham Wright | 24 | Lodger | Clerk | Maryland |
| 53 | John E. Walker | 74 | Head | — | Virginia |
| 54 | Idella Walker | 72 | Wife | — | Maryland |
| 55 | James E. Walker | 51 | Son | Auto Mechanic | Dist. of Col. |
| 56 | Samuel A. Walker THIS PERSON | 40 | Son | Plumber | Dist. of Col. |
| 57 | Joseph P. Rooney | 66 | Head | Material Clerk | Dist. of Col. |
| 58 | Agnes B. Rooney | 62 | Wife | — | Dist. of Col. |
| 59 | Joseph L. Rooney | 23 | Son | Laborer | Dist. of Col. |
| 60 | James F. Rooney | 21 | Son | Apprentice | Dist. of Col. |
| 61 | Thomas A. Dunn | 65 | Lodger | Material Clerk | Maine |
| 62 | Joe D. Faris | 54 | Head | Truck Driver | Virginia |
| 63 | Eva G. Faris | 55 | Wife | — | Virginia |
| 64 | Bessie L. Dixon | 42 | Lodger | Stenographer | Indiana |
| 65 | Ida Strong | 58 | Lodger | Scientific Asst. | Virginia |
| 66 | John T. Bancroft | 33 | Lodger | Typist | Missouri |
| 67 | John T. Dudge | 26 | Lodger | Photo Finisher | Virginia |
| 68 | Robert F. Ericson | 14 | Lodger | — | Florida |
| 69 | Burke Parks | 42 | Lodger | Guard | Arkansas |
| 70 | Sue Woodard | 20 | Lodger | Waitress | Tennessee |
| 71 | Gordon B. Barnes | 23 | Head | Multigraph Oper. | New York |
| 72 | Bernadine Barnes | 24 | Wife | — | New York |
| 73 | Walter Barnes | 0 | Son | — | Dist. of Col. |
| 74 | Norman Wells | 24 | Lodger | Clerk | Canada-English |
| 75 | Catherine Wells | 24 | Lodger | — | New York |
| 76 | Kenneth Wells | 3 | Lodger | — | New York |
| 77 | Curtis E. Bailey | 49 | Head | Service Clerk | Virginia |
| 78 | Mae E. Bailey | 57 | Wife | — | Virginia |
| 79 | Carl L. Bailey | 23 | Son | Clerk | Virginia |
Pedigree Summary
Samuel + 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)