RC
Robert Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sedgwick-County, Kansas
Our Model Tree links this Robert Clark across the 1920, 1930 and 1940 US Censuses in Sedgwick-County, Kansas (XGBoost, ~Confirmed), with identified parents Joseph & J — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sedgwick-County, Kansas |
| Surname | Clark |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Wichita city |
| 1935 Residence (County) | Sedgwick |
| Additional Details | |
| Occupation | filling station |
| Industry | PW |
| Class of Worker | 416 |
| Highest Grade | H 4 |
| 1935 Residence | 60 |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Filling Station |
| Township / Ward | Wichita City |
| Est. Birth Year | ~1911 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Clark | Daughter | — | 1 | ~1939 |
| Robert Clark | Head | — | 29 | ~1911 |
| Doris Clark | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Sedgwick, Kansas
Son, age 7
Sedgwick, Kansas · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Robert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Sedgwick, Kansas
Son, age 17
Sedgwick, Kansas · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Sedgwick-County, Kansas
Head, age 29
Sedgwick-County, Kansas · implied b. ~1911 — 3 household members
| Surname | Clark |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Wichita city |
| 1935 Residence (County) | Sedgwick |
| Occupation | filling station |
| Industry | PW |
| Class of Worker | 416 |
| Highest Grade | H 4 |
| 1935 Residence | 60 |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Clark (~0.92 confidence) and father J Clark (~0.92 confidence) and mother Ballie Clark (~0.92 confidence) and mother Sally Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Clark
b. ~1869
Source father
● Household
· direct · ~0.92
Father
J Clark
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Ballie Clark
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Sally Clark
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Clark
Head · 1940 · age 29 · b. ~1911 · Kansas
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sedgwick-County, Kansas
Open full size
1940 US Federal Census — Sedgwick-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01273-00112)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Cummins | 65 | Head | — | Missouri |
| 42 | Liza Cummins | 63 | Wife | — | Missouri |
| 43 | Vincent Shanley | 41 | Head | — | Missouri |
| 44 | Dramona Shanley | 39 | Wife | Telephone | Kansas |
| 45 | Susie Richit | 68 | Mother-in-law | — | New York |
| 46 | William Murrell | 46 | Head | Steam Railroad | Kansas |
| 47 | Ruby Murrell | 39 | Wife | Retail Cafe | Kansas |
| 48 | Richard Murrell | 14 | Son | Retail Cafe | Kansas |
| 49 | Anna Swain | 72 | Mother-in-law | Retail Cafe | Kansas |
| 50 | Ben Swain | 23 | Nephew | Retail Cafe | Kansas |
| 51 | Bob Swain | 20 | Nephew | Retail Cafe | Kansas |
| 52 | Charles Cummings | 22 | Head | Retail Cafe | Kansas |
| 53 | Anita Cummings | 26 | Wife | Retail Cafe | Kansas |
| 54 | Lucille Dyer | 22 | Sister-in-law | Private Family | Kansas |
| 55 | Roy Hunt | 36 | Head | Steam Railroad | Kansas |
| 56 | Pearl Hunt | 31 | Wife | — | Kansas |
| 57 | Jean Hunt | 10 | Daughter | — | Kansas |
| 58 | Eulon Dowling | 34 | Head | Cafe | Kansas |
| 59 | Betty Dowling | 15 | Daughter | — | Kansas |
| 60 | Lucy Smith | 45 | Sister | Cafe | Indiana |
| 61 | Lily Harrel | 61 | Boarder | Retail Shop | Illinois |
| 62 | Benny Wigington | 38 | Head | Floor Work | Oklahoma |
| 63 | Ora Wigington | 36 | Wife | — | Missouri |
| 64 | Jerry Wigington | 3 | Son | — | Kansas |
| 65 | Robert Clark THIS PERSON | 29 | Head | Filling Station | Kansas |
| 66 | Doris Clark | 21 | Wife | — | Kansas |
| 67 | Marilyn Clark | 1 | Daughter | — | Kansas |
| 68 | Leta Harrel | 39 | Head | Retail Dress Shop | Oklahoma |
| 69 | Betty Harrel | 18 | Daughter | — | Oklahoma |
| 70 | Bernard Butler | 26 | Head | Meat Packing | New York |
| 71 | Margaret Butler | 21 | Wife | — | Kansas |
| 72 | Margaret Ann Butler | 1 | Daughter | — | Kansas |
| 73 | Robert Blaine | 33 | Head | Law | Kansas |
| 74 | Margie Blaine | 31 | Wife | — | Kansas |
| 75 | Ida Wilson | 86 | Head | — | Ohio |
| 76 | Virginia Mcdowell | 41 | Daughter | Transportation | Kansas |
| 77 | Eue Hamilton | 38 | Head | Retail Grocery | Illinois |
| 78 | Ethel Hamilton | 32 | Wife | Private Family | Kansas |
| 79 | Dixie Hamilton | 14 | Daughter | — | Kansas |
| 80 | Imogene Hamilton | 14 | Daughter | — | Missouri |
Pedigree Summary
Robert
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)