DN
David Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coal-County, Oklahoma
Our Model Tree links this David Nelson across the 1930 and 1940 US Censuses in Coal-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coal-County, Oklahoma |
| Surname | Nelson |
| Given Name | David S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Ash Flat Township |
| 1935 Residence (County) | Coal |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Ash Flat Township |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Naomi Nelson | Daughter | — | 16 | ~1924 |
| Lola Nelson | Daughter | — | 20 | ~1920 |
| John Nelson | Head | — | 42 | ~1898 |
| Floyd Nelson | Son | — | 5 | ~1935 |
| David Nelson | Son | — | 18 | ~1922 |
| Ellen Nelson | Spouse | — | 40 | ~1900 |
| Ellen Nelson | Daughter | — | 13 | ~1927 |
| Douglas Nelson | Son | — | 9 | ~1931 |
| Ellen Nelson | Son | — | 12 | ~1928 |
Census Appearances
1930
Coal, Oklahoma
Son, age 8
Coal, Oklahoma · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Missouri |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Coal-County, Oklahoma
Son, age 18
Coal-County, Oklahoma · implied b. ~1922 — 9 household members
| Surname | Nelson |
| Given Name | David S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Ash Flat Township |
| 1935 Residence (County) | Coal |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 David Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Nelson
Son · 1940 · age 18 · b. ~1922 · Oklahoma
★ You are viewing this record
Sibling
Lola Nelson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Nelson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Nelson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Nelson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Nelson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naomi Nelson
Sibling · 1940 · age 16
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 — Coal-County, Oklahoma
Open full size
1940 US Federal Census — Coal-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03285-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hugh J. @ Harley | 33 | Head | Agricultural | Oklahoma |
| 2 | Middie Harley | 25 | Wife | — | Oklahoma |
| 3 | Hugh G. Jr. Harley | 8 | Son | — | Oklahoma |
| 4 | Patsy J. Harley | 4 | Daughter | — | Oklahoma |
| 5 | Maxine Harley | 1 | Daughter | — | Oklahoma |
| 6 | Henry @ Hill | 30 | Head | Helper On | Oklahoma |
| 7 | Hattie Hill | 24 | Wife | Cotton Picker | Texas |
| 8 | Howard W. Barnett | 31 | Head | Farmer | Iowa |
| 9 | Celia @ Barnett | 22 | Wife | — | Oklahoma |
| 10 | Clifford @ Daniel | 31 | Head | Agricultural | Oklahoma |
| 11 | Nora A. Daniel | 26 | Wife | — | Oklahoma |
| 12 | Lanell Daniel | 7 | Daughter | — | Oklahoma |
| 13 | Keith D. Daniel | 4 | Son | — | Oklahoma |
| 14 | Morris W. Daniel | 2 | Son | — | Oklahoma |
| 15 | John M. @ Nelson | 42 | Head | Agricultural | Oklahoma |
| 16 | Ellen Helen Nelson | 40 | Wife | — | Missouri |
| 17 | Lola L. Nelson | 20 | Daughter | — | Oklahoma |
| 18 | David S. Nelson THIS PERSON | 18 | Son | — | Oklahoma |
| 19 | Naomi M. Nelson | 16 | Daughter | — | Oklahoma |
| 20 | Ellen A. Nelson | 13 | Daughter | — | Oklahoma |
| 21 | Ellen Nelson | 12 | Son | — | Oklahoma |
| 22 | Douglas Nelson | 9 | Son | — | Oklahoma |
| 23 | Floyd Nelson | 5 | Son | — | Oklahoma |
| 24 | Guy A. @ Campbell | 37 | Head | Agricultural | Arkansas |
| 25 | Charley A. @ Kavan | 70 | Head | Farmer | South Carolina |
| 26 | Thelma Kavan | 27 | Daughter | — | Arkansas |
| 27 | Easter Laverne Kavan | 16 | Daughter | — | Oklahoma |
| 28 | Dorotha N. Kavan | 14 | Daughter | — | Oklahoma |
| 29 | Frank David Jr. Kavan | 12 | Son | — | Oklahoma |
| 30 | Frank Claude Pierce | 47 | Head | Agricultural | Oklahoma |
| 31 | Lottie @ Pierce | 47 | Wife | — | Oklahoma |
| 32 | Lavone E. Pierce | 22 | Son | Farm Laborer | Oklahoma |
| 33 | Gladys M. Pierce | 20 | Daughter | — | Oklahoma |
| 34 | Marvin A. Pierce | 18 | Son | — | Oklahoma |
| 35 | Ralph L. Pierce | 16 | Son | — | Oklahoma |
| 36 | Marie Pierce | 14 | Daughter | — | Oklahoma |
| 37 | Juanita Pierce | 10 | Daughter | — | Oklahoma |
| 38 | Nathan T. @ Wallace | 35 | Head | Farmer | Iowa |
| 39 | Minnie @ Wallace | 43 | Wife | — | Oklahoma |
| 40 | Eulecha Wallace | 15 | Daughter | — | Oklahoma |
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)