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Donald Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Penobscot-County, Maine
Our Model Tree links this Donald Nelson across the 1930 and 1940 US Censuses in Penobscot-County, Maine (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Penobscot-County, Maine |
| Surname | Nelson |
| Given Name | Donald R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Old Town City |
| 1935 Residence (County) | Penobscot |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Old Town City |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Nelson | Son | — | 12 | ~1928 |
| Alphonsine Nelson | Spouse | — | 39 | ~1901 |
| Pearl Nelson | Daughter | — | 2 | ~1938 |
| James Nelson | Son | — | 7 | ~1933 |
| Robert Nelson | Son | — | 17 | ~1923 |
| Helen Nelson | Daughter | — | 9 | ~1931 |
| John Nelson | Son | — | 13 | ~1927 |
| Donald Nelson | Son | — | 15 | ~1925 |
| Velma Nelson | Daughter | — | 10 | ~1930 |
| John Nelson | Head | — | 44 | ~1896 |
Census Appearances
1930
Penobscot, Maine
Son, age 5
Penobscot, Maine · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Donald S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | American Indian |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Mixed Blood |
| Mother's Birthplace | Penobscot |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Penobscot-County, Maine
Son, age 15
Penobscot-County, Maine · implied b. ~1925 — 10 household members
| Surname | Nelson |
| Given Name | Donald R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Old Town City |
| 1935 Residence (County) | Penobscot |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Donald Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Nelson
Son · 1940 · age 15 · b. ~1925 · Maine
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Sibling
Robert Nelson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velma Nelson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Nelson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Nelson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Nelson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Nelson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Nelson
Sibling · 1940 · age 7
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 — Penobscot-County, Maine
Open full size
1940 US Federal Census — Penobscot-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01488-00504)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Hocklives | 25 | Son | — | Maine |
| 2 | Lorraine Hocklives | 21 | Son | — | Maine |
| 3 | John A. Nelson | 44 | Head | Electrician | Maine |
| 4 | Alphonsine M. Nelson | 39 | Wife | — | Maine |
| 5 | Robert H. Nelson | 17 | Son | — | Maine |
| 6 | Donald R. Nelson THIS PERSON | 15 | Son | — | Maine |
| 7 | John Jr. Nelson | 13 | Son | — | Maine |
| 8 | Kenneth J. Nelson | 12 | Son | — | Maine |
| 9 | Velma J. Nelson | 10 | Daughter | — | Maine |
| 10 | Helen E. Nelson | 9 | Daughter | — | Maine |
| 11 | James E. Nelson | 7 | Son | — | Maine |
| 12 | Pearl J. Nelson | 2 | Daughter | — | Maine |
| 13 | Peter S. Neptune | 28 | Head | Laborer | Maine |
| 14 | Marion I. Neptune | 27 | Wife | — | Maine |
| 15 | Anita C. Neptune | 5 | Daughter | — | Maine |
| 16 | Allan J. Neptune | 3 | Son | — | Maine |
| 17 | Robert J. Neptune | 1 | Son | — | Maine |
| 18 | Ralph S. Nicola | 27 | Head | Basket Maker | Maine |
| 19 | Irene M. Nicola | 26 | Wife | — | Maine |
| 20 | Ernest S. Nicola | 2 | Son | — | Maine |
| 21 | George Ranco | 47 | Head | Canoe Builder | Maine |
| 22 | Elizabeth Ranco | 47 | Wife | — | Maine |
| 23 | Bertha E. Ranco | 23 | Daughter | — | Maine |
| 24 | Catherine M. Ranco | 16 | Daughter | — | Maine |
| 25 | Mitchell S. Attean | 75 | Head | — | Maine |
| 26 | Mary P. Attean | 66 | Wife | — | Maine |
| 27 | Peter H. Attean | 23 | Son | Yard Brakeman | Maine |
| 28 | Mary S. Attean | 15 | Head | — | Maine |
| 29 | Solomon Teddie | 27 | Boarder | Laborer | Maine |
| 30 | Martha S. Ranco | 32 | Sister | — | Maine |
| 31 | William A. Thomas | 25 | Head | Hand Lacer | Maine |
| 32 | Dorothy E. Thomas | 21 | Wife | Cementer | Maine |
| 33 | Elizabeth J. Thomas | 4 | Daughter | — | Maine |
| 34 | John S. Thomas | 3 | Son | — | Maine |
| 35 | Joseph S. Thomas | 2 | Son | — | Maine |
| 36 | William J. Thomas | 1 | Son | — | Maine |
| 37 | John H. Thomas | 28 | Head | Laborer | Maine |
| 38 | Eugenia E. Thomas | 36 | Wife | — | Maine |
| 39 | John Jr. Thomas | 9 | Son | — | Maine |
| 40 | Lionel E. Thomas | 7 | Son | — | Maine |
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)