DN
David Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, Pennsylvania
Our Model Tree links this David Nelson across the 1920, 1930 and 1940 US Censuses in Mercer-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 3-person household.
Age 80
b. ~1860
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Pennsylvania |
| Surname | Nelson |
| Given Name | David S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Millcreek Twp |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Millcreek Twp |
| Est. Birth Year | ~1860 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| David Nelson | Head | — | 80 | ~1860 |
| Anna Nelson | Daughter | — | 34 | ~1906 |
| Jane Nelson | Spouse | — | 78 | ~1862 |
Census Appearances
1920
Mercer, Pennsylvania
Head, age 55
Mercer, Pennsylvania · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | David S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Mercer, Pennsylvania
Head, age 65
Mercer, Pennsylvania · implied b. ~1865
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Mercer-County, Pennsylvania
Head, age 80
Mercer-County, Pennsylvania · implied b. ~1860 — 3 household members
| Surname | Nelson |
| Given Name | David S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Millcreek Twp |
| 1935 Residence (County) | Mercer |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
David Nelson
Head · 1940 · age 80 · b. ~1860 · Pennsylvania
★ 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 — Mercer-County, Pennsylvania
Open full size
1940 US Federal Census — Mercer-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03571-00601)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary B Deems | 26 | Wife | — | Pennsylvania |
| 42 | Donald W Deems | 4 | Son | — | — |
| 43 | Eugene Deems | 3 | Son | — | — |
| 44 | Charles Andrews | 72 | Head | Farmer | Pennsylvania |
| 45 | Anna M Andrews | 74 | Wife | — | Pennsylvania |
| 46 | Glenn R Andrews | 30 | Son | Farmer | Pennsylvania |
| 47 | Helen M Andrews | 27 | Wife | — | Pennsylvania |
| 48 | Eugene G Andrews | 9 | Son | — | Pennsylvania |
| 49 | Pauline Andrews | 6 | Daughter | — | Pennsylvania |
| 50 | Anna L Andrews | 5 | Daughter | — | — |
| 51 | Norman W Andrews | 4 | Son | — | — |
| 52 | Linda Lee Andrews | 1 | Daughter | — | — |
| 53 | Nora E Gibner | 67 | Head | — | Pennsylvania |
| 54 | Hazel L Gibner | 49 | Daughter | — | Pennsylvania |
| 55 | Albert J Kaltenbaugh | 40 | Head | Farmer | Pennsylvania |
| 56 | Lillian M Kaltenbaugh | 41 | Wife | — | Pennsylvania |
| 57 | Chester Dale Kaltenbaugh | 19 | Son | Farmer | Pennsylvania |
| 58 | Robert A Kaltenbaugh | 16 | Son | — | Pennsylvania |
| 59 | Charles B Kaltenbaugh | 14 | Son | — | Pennsylvania |
| 60 | John A Kaltenbaugh | 4 | Son | — | — |
| 61 | Joseph M Nevins | 62 | Head | — | Pennsylvania |
| 62 | Adelaide P Nevins | 50 | Wife | — | Pennsylvania |
| 63 | Leroy E Foster | 30 | Head | Farmer | Pennsylvania |
| 64 | Lawrence S Foster | 21 | Brother | Farmer | Pennsylvania |
| 65 | Edith Marie Foster | 22 | Sister-in-law | — | Pennsylvania |
| 66 | Richard Leroy Foster | 0 | Nephew | — | — |
| 67 | George L Snyder | 57 | Head | Farmer | Pennsylvania |
| 68 | Ruby G Snyder | 53 | Wife | — | Pennsylvania |
| 69 | Fred H Eberts | 48 | Head | Farmer | Pennsylvania |
| 70 | Esther L Eberts | 47 | Wife | — | Pennsylvania |
| 71 | George W Eberts | 19 | Son | Farmer | Pennsylvania |
| 72 | Ruth E Eberts | 16 | Daughter | — | Pennsylvania |
| 73 | Gladys L Eberts | 11 | Daughter | — | Pennsylvania |
| 74 | Leilla J Eberts | 9 | Daughter | — | Pennsylvania |
| 75 | C Richard Eberts | 7 | Son | — | Pennsylvania |
| 76 | David S Nelson THIS PERSON | 80 | Head | Farmer | Pennsylvania |
| 77 | Jane A Nelson | 78 | Wife | — | Pennsylvania |
| 78 | Anna G Nelson | 34 | Daughter | — | Pennsylvania |
| 79 | Adam R Kline | 47 | Head | Farmer | Pennsylvania |
| 80 | Mary A Kline | 48 | Wife | — | Pennsylvania |
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)