DN
David Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this David Nelson across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Beverly City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machinist |
| Industry | Shoe Machinery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Machinist |
| Township / Ward | Beverly City |
| Est. Birth Year | ~1904 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| Jean Nelson | Daughter | — | 7 | ~1933 |
| Frances Nelson | Spouse | — | 32 | ~1908 |
| David Nelson | Head | — | 36 | ~1904 |
| Graham Nelson | Son | — | 10 | ~1930 |
Census Appearances
1920
Essex, Massachusetts
Son, age 16
Essex, Massachusetts · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1907 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Apprentice Mach |
| Industry | Machine Mfg |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | scotland |
1930
Essex, Massachusetts
Head, age 26
Essex, Massachusetts · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 23 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4800 |
| Radio Set | Yes |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Essex-County, Massachusetts
Head, age 36
Essex-County, Massachusetts · implied b. ~1904 — 4 household members
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Beverly City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | Shoe Machinery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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. Identified parents: father John Nelson (~0.92 confidence) and mother Elizabeth Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Nelson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Nelson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Nelson
Head · 1940 · age 36 · b. ~1904 · Massachusetts
★ 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01578-00360)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank M. Glazier | 41 | Head | Engineer | Tennessee |
| 2 | Dorothy S. Glazier | 36 | Wife | — | Alabama |
| 3 | Francis M. Glazier | 12 | Son | — | Massachusetts |
| 4 | James C. Foster | 50 | Head | Florist | Massachusetts |
| 5 | Myrna L. Foster | 49 | Wife | — | Massachusetts |
| 6 | James H. Sullivan | 36 | Head | Clerk | Massachusetts |
| 7 | Marion G. Sullivan | 38 | Wife | — | Massachusetts |
| 8 | Margaret M. Sullivan | 14 | Daughter | — | Massachusetts |
| 9 | Helen L. Sullivan | 10 | Daughter | — | Massachusetts |
| 10 | Peter A. Grapora | 43 | Head | — | Albania |
| 11 | Grace J. Grapora | 38 | Wife | — | Massachusetts |
| 12 | Phoebe M. O'Connor | 15 | Daughter | — | Massachusetts |
| 13 | John L. Jr. O'Connor | 20 | Son | Grader | Massachusetts |
| 14 | Victor J. Levaggi | 38 | Head | — | Massachusetts |
| 15 | Bertha E. Levaggi | 36 | Wife | — | Massachusetts |
| 16 | Doris Levaggi | 12 | Daughter | — | Massachusetts |
| 17 | Andrew G. Jacobson | 34 | Head | Machine Operator | Massachusetts |
| 18 | Lillian R. Jacobson | 34 | Wife | — | Massachusetts |
| 19 | Ralph S. Elliott | 32 | Head | Plumber | Massachusetts |
| 20 | Edith C. Elliott | 29 | Wife | — | Massachusetts |
| 21 | Jean B. Elliott | 3 | Daughter | — | Massachusetts |
| 22 | John L. Checchi | 48 | Head | Machinist | Italy |
| 23 | Delia K. Checchi | 41 | Wife | — | Massachusetts |
| 24 | Victoria Checchi | 20 | Daughter | New Worker | Massachusetts |
| 25 | John Jr. Checchi | 18 | Son | — | Massachusetts |
| 26 | Arnold G. Checchi | 12 | Son | — | Massachusetts |
| 27 | Loraine K. Checchi | 6 | Daughter | — | Massachusetts |
| 28 | Oscar Johnson | 54 | Head | Clergyman | Sweden |
| 29 | Annie M. Johnson | 56 | Wife | — | Sweden |
| 30 | Louis Montanaggi | 37 | Head | Foreman | Italy |
| 31 | Beatrice Montanaggi | 34 | Wife | — | Massachusetts |
| 32 | Louise Montanaggi | 9 | Daughter | — | Massachusetts |
| 33 | John A. Lister | 60 | Head | Assembler | England |
| 34 | Helena C. Lister | 24 | Daughter | Bookkeeper | Massachusetts |
| 35 | David Nelson THIS PERSON | 36 | Head | Machinist | Scotland |
| 36 | Frances Nelson | 32 | Wife | — | Massachusetts |
| 37 | Jean Nelson | 7 | Daughter | — | Massachusetts |
| 38 | Graham Nelson | 10 | Son | — | Massachusetts |
| 39 | James J. Walsh | 53 | Head | Police Officer | District of Columbia |
| 40 | Margaret Walsh | 45 | Wife | — | District of Columbia |
Pedigree Summary
David
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)