WU
William Underwood — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Douglas-County, Kansas
Our Model Tree links this William Underwood across the 1930 and 1940 US Censuses in Douglas-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Kansas |
| Surname | Underwood |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Occupation | Agent |
| Industry | Grain Company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 675 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Agent |
| Township / Ward | Lawrence 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Stephen Underwood | Son | — | 14 | ~1926 |
| Eileen Underwood | Son | — | 17 | ~1923 |
| William Underwood | Head | — | 46 | ~1894 |
| William Underwood | Son | — | 23 | ~1917 |
| Lina Richardson | Other | — | 83 | ~1857 |
| Elizabeth Underwood | Spouse | — | 45 | ~1895 |
| Gertrude Underwood | Daughter | — | 19 | ~1921 |
| Sara Underwood | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Douglas, Kansas
Son, age 13
Douglas, Kansas · implied b. ~1917 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | William V. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Douglas-County, Kansas
Son, age 23
Douglas-County, Kansas · implied b. ~1917 — 8 household members
| Surname | Underwood |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Douglas |
| Occupation | Agent |
| Industry | Grain Company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 675 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| 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 William Underwood across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Underwood
Son · 1940 · age 23 · b. ~1917 · Kansas
★ You are viewing this record
Sibling
Sara Underwood
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Underwood
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Underwood
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stephen Underwood
Sibling · 1940 · age 14
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 — Douglas-County, Kansas
Open full size
1940 US Federal Census — Douglas-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01229-00565)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arthur B. Weaver | 46 | Son | Manager | Kansas |
| 42 | Nell B. Weaver | 41 | Daughter-in-law | — | Arkansas |
| 43 | Minnie West | 43 | Maid | Maid | Missouri |
| 44 | Frieda L. Barteldes | 58 | Head | President | Kansas |
| 45 | Nellie Barteldes | 54 | Wife | — | Kansas |
| 46 | Clyde Franks | 45 | Head | Manager | Oklahoma |
| 47 | Pearle Franks | 41 | Wife | — | Missouri |
| 48 | Mary Franks | 19 | Daughter | Saleslady | Oklahoma |
| 49 | Clyde Jr. Franks | 9 | Son | — | Kansas |
| 50 | Samuel Mckone | 55 | Head | Night Clerk | Kansas |
| 51 | Maye Mckone | 54 | Wife | — | Kansas |
| 52 | Joseph Murray | 61 | Head | Editor & Manager | Kansas |
| 53 | Agnes Murray | 51 | Wife | — | Kansas |
| 54 | Ann Murray | 18 | Daughter | — | Kansas |
| 55 | Jean Murray | 16 | Daughter | — | Kansas |
| 56 | James Murray | 14 | Son | — | Kansas |
| 57 | Andrew Murray | 2 | Son | — | Kansas |
| 58 | William Findley | 63 | Head | Presser | Missouri |
| 59 | Ruth Findley | 43 | Wife | — | Kansas |
| 60 | William Jr. Findley | 19 | Son | Salesman | Kansas |
| 61 | Dorothy Findley | 18 | Daughter | Saleswoman | Kansas |
| 62 | Jimmie Findley | 17 | Son | — | Kansas |
| 63 | Frank Findley | 13 | Son | — | Kansas |
| 64 | Katherine Findley | 11 | Daughter | — | Missouri |
| 65 | David Findley | 7 | Son | — | Missouri |
| 66 | Paul Findley | 5 | Son | — | Kansas |
| 67 | Mary J. Dillard | 65 | Head | — | Kansas |
| 68 | Mary Hines | 75 | Lodger | — | Kansas |
| 69 | Nancy Hines | 24 | Lodger | — | Kansas |
| 70 | Sophia Rerach | 51 | Head | — | Texas |
| 71 | Wesley Rerach | 21 | Son | Salesman | Kansas |
| 72 | Shirley Rerach | 10 | Daughter | — | Kansas |
| 73 | William Underwood | 46 | Head | Manager | Kansas |
| 74 | Elizabeth Underwood | 45 | Wife | — | Kansas |
| 75 | William Jr. Underwood THIS PERSON | 23 | Son | Agent | Kansas |
| 76 | Gertrude Underwood | 19 | Daughter | — | Kansas |
| 77 | Eileen Underwood | 17 | Son | — | Kansas |
| 78 | Sara Jane Underwood | 16 | Daughter | — | Kansas |
| 79 | Stephen Underwood | 14 | Son | — | Kansas |
| 80 | Lina Richardson | 83 | Mother-in-law | — | Pennsylvania |
Related Census Records
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)