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Harold Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this Harold Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed), with identified parents Charles & Clara — first a head (b.~1891), then head of a 5-person household.
Age 49
b. ~1891
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | Nelson |
| Given Name | Harold W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Sweden |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 74 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Farmer |
| Township / Ward | Sweden |
| Est. Birth Year | ~1891 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Jean Nelson | Daughter | — | 11 | ~1929 |
| Harold Nelson | Head | — | 49 | ~1891 |
| Kenneth Nelson | Son | — | 17 | ~1923 |
| Clark Nelson | Son | — | 20 | ~1920 |
| Ada Nelson | Spouse | — | 48 | ~1892 |
Census Appearances
1910
Monroe, New …
Son, age 18
Monroe, New York · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Farm laborer |
| Industry | Home Farm |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Monroe, New …
Head, age 29
Monroe, New York · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Monroe, New …
Head, age 39
Monroe, New York · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harold J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 24 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 16 |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Monroe-County, New …
Head, age 49
Monroe-County, New York · implied b. ~1891 — 5 household members
| Surname | Nelson |
| Given Name | Harold W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Sweden |
| 1935 Residence (County) | Monroe |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 74 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Harold Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Nelson (~0.92 confidence) and mother Clara Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Nelson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Clara Nelson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Nelson
Head · 1940 · age 49 · b. ~1891 · New York
★ 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 — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02680-00839)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold W. Nelson THIS PERSON | 49 | Head | Farmer | New York |
| 42 | Ada Nelson | 48 | Wife | — | New York |
| 43 | Clark Nelson | 20 | Son | Maintenance | New York |
| 44 | Kenneth Nelson | 17 | Son | — | New York |
| 45 | Jean Nelson | 11 | Daughter | — | New York |
| 46 | Peter Cappa | 49 | Head | Farmer | Turkey |
| 47 | Ethel Cappa | 40 | Wife | — | New York |
| 48 | Walter J. Merrill | 49 | Head | Farmer | New York |
| 49 | Jean Merrill | 13 | Daughter | — | New York |
| 50 | Charles Savage | 55 | Lodger | Farm Labor | New York |
| 51 | Charles Jr. Savage | 30 | Lodger | Farm Labor | New York |
| 52 | Harold Watson | 31 | Head | Farmer | England |
| 53 | Jean Watson | 29 | Wife | — | Canada |
| 54 | Joan Watson | 1 | Daughter | — | New York |
| 55 | Cyril Watson | 35 | Brother | Farm Labor | Canada |
| 56 | Harry Deakin | 55 | Lodger | Farm Labor | New York |
| 57 | Daniel R. Cousen | 64 | Head | Farmer | New York |
| 58 | Cynthia M. Cousen | 68 | Sister | — | New York |
| 59 | Wilhelmina M. Cousen | 65 | Sister | — | New York |
| 60 | Chancey Bird | 50 | Head | Farmer | New York |
| 61 | Jennie Bird | 51 | Wife | — | England |
| 62 | Willard Bird | 23 | Son | Labor | New York |
| 63 | Elsie Bird | 18 | Daughter | — | New York |
| 64 | Chancey Jr. Bird | 16 | Son | — | New York |
| 65 | Harold Lander | 33 | Head | Labor | New York |
| 66 | Ruth Lander | 33 | Wife | — | New York |
| 67 | John Lander | 15 | Son | — | New York |
| 68 | William Lander | 12 | Son | — | New York |
| 69 | Richard Lander | 10 | Son | — | New York |
| 70 | Winifred Lander | 9 | Daughter | — | New York |
| 71 | Edward Lander | 4 | Son | — | New York |
| 72 | Charles Lander | 0 | Son | — | New York |
| 73 | Clarance Clingerman | 28 | Head | Farm Labor | W. Virginia |
| 74 | Shelia Clingerman | 25 | Wife | — | New York |
| 75 | Richard Clingerman | 5 | Son | — | New York |
| 76 | Larry Clingerman | 2 | Son | — | New York |
| 77 | Carl Clingerman | 0 | Son | — | New York |
| 78 | Chester Garrett | 44 | Head | Farm Labor | New York |
| 79 | Lena Garrett | 46 | Wife | — | Canada |
| 80 | Thelma Garrett | 13 | Daughter | — | New York |
Pedigree Summary
Harold
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)