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John Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wyandotte-County, Kansas
Our Model Tree links this John Sullivan across the 1910, 1920, 1930 and 1940 US Censuses in Wyandotte-County, Kansas (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wyandotte-County, Kansas |
| Surname | Sullivan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Wyandotte |
| Additional Details | |
| Occupation | Janitor |
| Industry | Church |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 870 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Janitor |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Sullivan | Daughter | — | 4 | ~1936 |
| John Sullivan | Head | — | 30 | ~1910 |
| John Sullivan | Son | — | 3 | ~1937 |
| Daniel Sullivan | Son | — | 7 | ~1933 |
| Rosa Sullivan | Spouse | — | 27 | ~1913 |
Census Appearances
1910
Wyandotte, Kansas
Other, age
Wyandotte, Kansas · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John W |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Wyandotte, Kansas
Son, age 10
Wyandotte, Kansas · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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 20
Wyandotte, Kansas · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kansas |
| Age at First Marriage | 0 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Stock-man |
| Industry | Mail Order House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Wyandotte-County, Kansas
Head, age 30
Wyandotte-County, Kansas · implied b. ~1910 — 5 household members
| Surname | Sullivan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Wyandotte |
| Occupation | Janitor |
| Industry | Church |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 870 |
| Highest Grade | No 8 |
| 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 John Sullivan across 4 US Census years (1910, 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. ~1892
Source father
● Household
· direct · ~0.92
Father
William Sullivan
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Nellie Sullivan
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Nellie Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sullivan
Head · 1940 · age 30 · b. ~1910 · 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 — Wyandotte-County, Kansas
Open full size
1940 US Federal Census — Wyandotte-County, Kansas
Page Contents
29 people indexed on this census page (nara:1940:m-t0627-01269-00079)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Richard Rodgers | 53 | Lodger | Junior Clerk | Tennessee |
| 3 | Willard Crawford | 38 | Lodger | Labour | Missouri |
| 4 | Bert W. Sherman | 39 | Lodger | Waiter | Kentucky |
| 5 | Carl G. Woodward | 60 | Lodger | Brakeman | Kentucky |
| 6 | Eugene B. Sadler | 62 | Lodger | Laborer | Arkansas |
| 7 | Luther Van Belba | 37 | Lodger | Welder | Missouri |
| 8 | Carl Morgan | 34 | Head | Laborer | Oklahoma |
| 9 | Nina Morgan | 27 | Wife | Apartment | Missouri |
| 11 | Shirley Mae Causey | 14 | Daughter | — | Kansas |
| 13 | Donald Wylie | 16 | Son | School | Missouri |
| 17 | Sylvester Moore | 29 | Head | Dishwasher | Mississippi |
| 18 | John Sullivan THIS PERSON | 30 | Head | Janitor | Kansas |
| 19 | Rosa M. Sullivan | 27 | Wife | — | Kansas |
| 20 | Daniel Sullivan | 7 | Son | — | Kansas |
| 21 | Mary L. Sullivan | 4 | Daughter | — | Kansas |
| 22 | John Sullivan | 3 | Son | — | Kansas |
| 23 | Andrew Mcintyre | 29 | Head | Pilot | Missouri |
| 24 | Henrietta Mcintyre | 28 | Wife | — | Missouri |
| 25 | Amy Mcintyre | 8 | Daughter | — | Missouri |
| 26 | August Pantalla | 65 | Lodger | Paper Hanger | Germany |
| 27 | Ray Parmino | 61 | Lodger | — | Kansas |
| 28 | John H. Wade | 27 | Head | Checker | Pennsylvania |
| 29 | John Wade | 4 | Son | — | Kansas |
| 30 | Lillian Payne | 36 | Lodger | — | Ohio |
| 31 | Betty J. Fisher | 10 | Lodger | — | Kansas |
| 32 | Claude Wheeler | 27 | Head | Maid | Louisiana |
| 33 | It Mae Wheeler | 14 | Son | — | Arkansas |
| 34 | Kenneth Tucker | 21 | Head | Man | Kansas |
| 35 | Loretta Tucker | 19 | Wife | — | Kansas |
Pedigree Summary
John
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)