EN
Earl Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coffey-County, Kansas
Our Model Tree links this Earl Nelson across the 1930 and 1940 US Censuses in Coffey-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coffey-County, Kansas |
| Surname | Nelson |
| Given Name | Earl F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Burlington |
| 1935 Residence (County) | Coffey |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Burlington |
| Est. Birth Year | ~1924 |
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 Earl | Age | Birth yr |
|---|---|---|---|---|
| Earl Nelson | Son | — | 16 | ~1924 |
| Nelda Nelson | Daughter | — | 19 | ~1921 |
| Chas Nelson | Son | — | 12 | ~1928 |
| Mary Nelson | Other | — | 79 | ~1861 |
| Earl Nelson | Head | — | 55 | ~1885 |
| Mary Nelson | Daughter | — | 15 | ~1925 |
| Ethel Nelson | Spouse | — | 44 | ~1896 |
| James Nelson | Son | — | 8 | ~1932 |
Census Appearances
1930
Coffey, Kansas
Son, age 6
Coffey, Kansas · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Earl F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Iowa |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Coffey-County, Kansas
Son, age 16
Coffey-County, Kansas · implied b. ~1924 — 8 household members
| Surname | Nelson |
| Given Name | Earl F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Burlington |
| 1935 Residence (County) | Coffey |
| Highest Grade | H 2 |
| 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 Earl Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Earl Nelson
Son · 1940 · age 16 · b. ~1924 · Kansas
★ You are viewing this record
Sibling
Mary Nelson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Nelson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nelda Nelson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chas Nelson
Sibling · 1940 · age 12
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 — Coffey-County, Kansas
Open full size
1940 US Federal Census — Coffey-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01225-00557)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Ellen Perry | 11 | Head | — | Kansas |
| 2 | Mary Elizabeth Whistler | 79 | Mother in law | — | Indiana |
| 3 | Ida Evans | 76 | Head | — | Indiana |
| 4 | Edmund Wallace | 32 | Head | Farm Foreman | Kansas |
| 5 | Melba Wallace | 28 | Wife | — | Kansas |
| 6 | Elmer E. Kepler | 45 | Head | City Engineer | Illinois |
| 7 | Marie E. Kepler | 44 | Wife | — | Kansas |
| 8 | Ida May Kepler | 18 | Daughter | — | Kansas |
| 9 | Edward Lee Kepler | 17 | Son | — | Kansas |
| 10 | Mary Emma Kepler | 11 | Daughter | — | Kansas |
| 11 | Delmar N. Batdorf | 37 | Head | City Clerk | Kansas |
| 12 | Mildred Batdorf | 31 | Wife | — | Kansas |
| 13 | End Of Block | None | — | — | — |
| 14 | W. O. Williams | 58 | Head | Common Labor | Kansas |
| 15 | Edyth Williams | 55 | Wife | — | Kansas |
| 16 | Margaret Williams | 22 | Daughter | Clerk | Kansas |
| 17 | Wilbur J. Williams | 20 | Son | — | Kansas |
| 18 | Gilbert Williams | 18 | Son | — | Kansas |
| 19 | Minnie Wilson | 78 | Lodger | — | Kentucky |
| 20 | Mildred Witherspoon | 20 | Boarder | File Clerk | Kansas |
| 21 | Earl F. Nelson | 55 | Head | Rural Mail Carrier | Kansas |
| 22 | Ethel A. Nelson | 44 | Wife | — | Iowa |
| 23 | Nelda M. Nelson | 19 | Daughter | Photographer | Kansas |
| 24 | Earl F. Jr. Nelson THIS PERSON | 16 | Son | — | Kansas |
| 25 | Mary Jane Nelson | 15 | Daughter | — | Kansas |
| 26 | Chas William Nelson | 12 | Son | — | Kansas |
| 27 | James E. Nelson | 8 | Son | — | Kansas |
| 28 | Mary G. Nelson | 79 | Mother | — | Missouri |
| 29 | C. B. Kellerman | 84 | Head | Retired Farmer | Pennsylvania |
| 30 | Fannie Kellerman | 86 | Wife | — | Ohio |
| 31 | J. H. Heimes | 73 | Head | Retired Farmer | Kansas |
| 32 | Mabel Heimes | 44 | Daughter | — | Kansas |
| 33 | David A. Johns | 23 | Head | Filling Station Operator | Kansas |
| 34 | D. H. Morris | 51 | Head | Filling Station & Garage | Kansas |
| 35 | Verda Morris | 49 | Wife | Owner Produce Plant | Kansas |
| 36 | Susan D. Mattix | 66 | Head | — | Kansas |
| 37 | Eva J. Mattix | 31 | Daughter | — | Kansas |
| 38 | Guy Mattix | 26 | Son | — | Kansas |
| 39 | Alguire Thompson | 72 | Head | Farmer | Kansas |
| 40 | Corie C. Thompson | 65 | Wife | — | Kansas |
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)