WS
William Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wyandotte-County, Kansas
Our Model Tree links this William Sullivan across the 1920, 1930 and 1940 US Censuses in Wyandotte-County, Kansas (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wyandotte-County, Kansas |
| Surname | Sullivan |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Wyandotte |
| Additional Details | |
| Occupation | Time Keeper (Water Line) |
| Industry | Water Line |
| Class of Worker | GW |
| Hours Worked | 80 |
| Income (1939) | 1064 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Time Keeper |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1908 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Sullivan | Daughter | — | 24 | ~1916 |
| Elizabeth Sullivan | Daughter | — | 28 | ~1912 |
| William Sullivan | Head | — | 59 | ~1881 |
| Robert Sullivan | Son | — | 19 | ~1921 |
| William Sullivan | Son | — | 32 | ~1908 |
| Nellie Sullivan | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Wyandotte, Kansas
Son, age 11
Wyandotte, Kansas · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | William Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Wyandotte, Kansas
Son, age 22
Wyandotte, Kansas · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| Age at First Marriage | 0 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Truck Driver |
| Industry | Creamery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Wyandotte-County, Kansas
Son, age 32
Wyandotte-County, Kansas · implied b. ~1908 — 6 household members
| Surname | Sullivan |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Wyandotte |
| Occupation | Time Keeper (Water Line) |
| Industry | Water Line |
| Class of Worker | GW |
| Hours Worked | 80 |
| Income (1939) | 1064 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Sullivan (~0.92 confidence) and father William Sullivan (~0.92 confidence) and mother Nellie Sullivan (~0.92 confidence) and mother Nellie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Sullivan
b. ~1881
Source father
● Household
· direct · ~0.92
Father
William Sullivan
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Nellie Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Nellie Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Sullivan
Son · 1940 · age 32 · b. ~1908 · Kansas
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Sibling
Robert Sullivan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Sullivan
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Sullivan
Sibling · 1940 · age 24
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 — Wyandotte-County, Kansas
Open full size
1940 US Federal Census — Wyandotte-County, Kansas
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01269-00173)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clifford L Wade | 6 | Son | — | Maryland |
| 2 | Elmo Anderson | 18 | Grandson | — | Kansas |
| 3 | William A Tate | 33 | Head | Truck Driver | Kansas |
| 4 | Ruth M Tate | 30 | Wife | — | Oklahoma |
| 5 | Wayne R Tate | 13 | Son | — | Kansas |
| 6 | Lawrence F Tate | 9 | Son | — | Kansas |
| 7 | Frank V Tate | 72 | Father | — | Nebraska |
| 8 | Wilbert R Mcgreer | 40 | Head | Paper Hanger | Missouri |
| 9 | Edith G Mcgreer | 52 | Wife | — | Nebraska |
| 10 | Tony Mitchell | 37 | Lodger | Jr. Supervisor | Illinois |
| 11 | Emma O Weston | 79 | Head | — | Missouri |
| 12 | Charles G Crammer | 61 | Head | Line Man | Kansas |
| 13 | Myrtle L Crammer | 58 | Wife | — | Missouri |
| 14 | Frank J Dorsey | 40 | Head | Machinist | Oklahoma |
| 15 | Marie F Dorsey | 40 | Wife | — | Kansas |
| 16 | Florentine Dorsey | 15 | Daughter | — | Kansas |
| 17 | Julia F Dorsey | 14 | Daughter | — | Kansas |
| 18 | Floyd J Dorsey | 12 | Son | — | Kansas |
| 19 | Irene D Dorsey | 11 | Daughter | — | Kansas |
| 20 | Donald F Dorsey | 9 | Son | — | Kansas |
| 21 | Lawrence P Dorsey | 7 | Son | — | Kansas |
| 22 | William C Dorsey | 5 | Son | — | Kansas |
| 23 | Edward J Monnier | 55 | Head | Barber | Illinois |
| 24 | Lula R Monnier | 54 | Wife | — | Missouri |
| 25 | Alma Moore | 62 | Sister-in-law | — | Missouri |
| 26 | William Kelley | 43 | Head | Butcher | Indiana |
| 27 | Marie Kelley | 40 | Wife | Telephone Operator | Illinois |
| 28 | Vernon Hampson | 42 | Head | Car Salesman | Kansas |
| 29 | Betty Hampson | 32 | Wife | Teacher | Kansas |
| 30 | Ellen M Casey | 63 | Head | — | Free State Ireland |
| 31 | John J Mcmanus | 31 | Son-in-law | Asst. Manager (Wholesale) | Philadelphia |
| 32 | Helen M Mcmanus | 29 | Daughter | Stenographer | Kansas |
| 33 | W. Franklin Dennis | 15 | Lodger | Yard Man | Missouri |
| 34 | William P Sullivan | 59 | Head | Shipping Clerk | Kansas |
| 35 | Nellie B Sullivan | 60 | Wife | — | Kansas |
| 36 | William R Sullivan THIS PERSON | 32 | Son | Time Keeper (Water Line) | Kansas |
| 37 | Elizabeth Sullivan | 28 | Daughter | Sales Girl | Kansas |
| 38 | Helen M Sullivan | 24 | Daughter | Sales Girl | Kansas |
| 39 | Robert F Sullivan | 19 | Son | Messenger | Kansas |
Related Census Records
Pedigree Summary
William + 3 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)