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John Mcdonnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumner-County, Kansas
Our Model Tree links this John Mcdonnell across the 1930 and 1940 US Censuses in Sumner-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumner-County, Kansas |
| Surname | McDonnell |
| Given Name | John F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Caldwell city |
| 1935 Residence (County) | Sumner |
| Additional Details | |
| Occupation | New Worker |
| Highest Grade | C 5 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | New Worker |
| Township / Ward | Caldwell City |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Nellie Mcdonnell | Spouse | — | 52 | ~1888 |
| Alice Mcdonnell | Daughter | — | 17 | ~1923 |
| John Mcdonnell | Son | — | 22 | ~1918 |
| John Mcdonnell | Head | — | 51 | ~1889 |
Census Appearances
1930
Sumner, Kansas
Son, age 12
Sumner, Kansas · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonnell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Clerk boy |
| Industry | Soda fountain |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Sumner-County, Kansas
Son, age 22
Sumner-County, Kansas · implied b. ~1918 — 4 household members
| Surname | McDonnell |
| Given Name | John F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Caldwell city |
| 1935 Residence (County) | Sumner |
| Occupation | New Worker |
| Highest Grade | C 5 |
| 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 Mcdonnell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcdonnell
Son · 1940 · age 22 · b. ~1918 · Kansas
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Sibling
Alice Mcdonnell
Sibling · 1940 · age 17
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 — Sumner-County, Kansas
Open full size
1940 US Federal Census — Sumner-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01263-00266)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. A. Olson | 48 | Head | Proprietor | Nebraska |
| 2 | Marie Olson | 44 | Wife | Cook | Oklahoma |
| 3 | J. W. Olson | 20 | Son | Waiter | Nebraska |
| 4 | Francis Gelnick | 68 | Head | — | Czecho-Slovakia |
| 5 | Clarence White | 43 | Head | Proprietor | Oklahoma |
| 6 | Lillian White | 40 | Wife | Grocery Clerk | Kansas |
| 7 | Frank White | 23 | Son | Grocery Clerk | Kansas |
| 8 | Ora O. Balsley | 44 | Head | Proprietor | Kansas |
| 9 | Maybelle Balsley | 36 | Wife | Cook & Waiter | Oklahoma |
| 10 | Dorothy Balsley | 16 | Daughter | Waiter | Kansas |
| 11 | Leleana Balsley | 14 | Daughter | Waiter | Kansas |
| 12 | Ruth Balsley | 13 | Daughter | — | Kansas |
| 13 | Beulah Balsley | 10 | Daughter | — | Kansas |
| 14 | Donald Balsley | 9 | Son | — | Kansas |
| 15 | Joseph Balsley | 7 | Son | — | Kansas |
| 16 | Chauncey Fitch | 55 | Head | Proprietor | Kansas |
| 17 | Augusta Fitch | 51 | Wife | — | Kansas |
| 18 | William F. Rather | 55 | Head | Proprietor | Kansas |
| 19 | Jessie Rather | 49 | Wife | Grocery Clerk | Kansas |
| 20 | Jean Rather | 26 | Daughter | Grocery Clerk | Arizona |
| 21 | Hazel Rather | 19 | Daughter | — | Oklahoma |
| 22 | Marie Moser | 63 | Head | — | Iowa |
| 23 | Cecil Mcmullen | 37 | Head | Country Work | Kentucky |
| 24 | Opal Mcmullen | 31 | Wife | Person Station | Kansas |
| 25 | Hazel Mcmullen | 11 | Daughter | — | Kansas |
| 26 | Jessie Mcmullen | 9 | Daughter | — | Kansas |
| 27 | James Mcmullen | 8 | Son | — | Idaho |
| 28 | Hal Moran | 62 | Head | Minister | Missouri |
| 29 | Rella Moran | 58 | Wife | — | Missouri |
| 30 | Myrl Kucera | 54 | Head | Interior Decorator | Kansas |
| 31 | Sara Kucera | 31 | Wife | — | Pennsylvania |
| 32 | Noris Kucera | 9 | Daughter | — | Oklahoma |
| 33 | Leonard Fisher | 40 | Head | Proprietor | Kansas |
| 34 | Bess Fisher | 43 | Wife | Clerk | Missouri |
| 35 | Madeline Fisher | 18 | Daughter | — | Kansas |
| 36 | John F. Mcdonnell | 51 | Head | Medical Doctor | Kansas |
| 37 | Nellie M. Mcdonnell | 52 | Wife | Receptionist | Kansas |
| 38 | John F. Jr. Mcdonnell THIS PERSON | 22 | Son | New Worker | Kansas |
| 39 | Alice Mcdonnell | 17 | Daughter | — | Missouri |
| 40 | Jean S. Patterson | 38 | Head | Supt. Nurse | Scotland |
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)