EN
Ernest Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Ernest Nelson across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Matilda & Andrew — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Nelson |
| Given Name | Ernest |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Water Repairer |
| Industry | Retail Jewelry Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1300 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Water Repairer |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1915 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Marion Nelson | Daughter | — | 17 | ~1923 |
| Harold Nelson | Son | — | 37 | ~1903 |
| Lawrence Nelson | Son | — | 21 | ~1919 |
| Ernest Nelson | Son | — | 25 | ~1915 |
| Matilda Nelson | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 5
Hennepin, Minnesota · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Ernest V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 15
Ramsey, Minnesota · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 25
Ramsey-County, Minnesota · implied b. ~1915 — 5 household members
| Surname | Nelson |
| Given Name | Ernest |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | Water Repairer |
| Industry | Retail Jewelry Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1300 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Ernest Nelson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Matilda Nelson (~0.92 confidence) and father Andrew Nelson (~0.92 confidence) and father August Nelson (~0.92 confidence) and mother Ester Nelson (~0.92 confidence) and mother Hilda Nelson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Matilda Nelson
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Andrew Nelson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
August Nelson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Ester Nelson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Hilda Nelson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Nelson
Son · 1940 · age 25 · b. ~1915 · Minnesota
★ You are viewing this record
Sibling
Marion Nelson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Nelson
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Nelson
Sibling · 1940 · age 21
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01995-00759)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Matilda Nelson | 64 | wife | — | Sweden |
| 2 | Harold Nelson | 37 | son | Driver | Minnesota |
| 3 | Ernest Nelson THIS PERSON | 25 | son | Water Repairer | Minnesota |
| 4 | Lawrence Nelson | 21 | son | Laborer | Minnesota |
| 5 | Marion Nelson | 17 | daughter | — | Minnesota |
| 6 | William Forman | 42 | head | Laborer | New York |
| 7 | Olive Forman | 33 | wife | — | Minnesota |
| 8 | Mary Ann Forman | 1 | daughter | — | Minnesota |
| 9 | Grace Forman | 0 | daughter | — | Minnesota |
| 10 | Charles Ems | 42 | head | Proprietor | North Dakota |
| 11 | Elsie Ems | 41 | wife | — | Minnesota |
| 12 | Patricia Ems | 2 | daughter | — | Minnesota |
| 13 | Rudolph Lehmann | 42 | head | Yard Conductor | Minnesota |
| 14 | Elvera Lehmann | 26 | wife | — | Minnesota |
| 15 | Herman Gallow | 51 | head | Switchman | Wisconsin |
| 16 | Jennie Gallow | 51 | wife | — | Wisconsin |
| 17 | Noma Rockwell | 14 | lodger | — | Minnesota |
| 18 | Charles Simmen | 50 | head | Engineer | Minnesota |
| 19 | Rosetta Simmen | 48 | wife | — | Wisconsin |
| 20 | Marietta Simmen | 18 | daughter | — | Minnesota |
| 21 | Anna Ball | 56 | sister-in-law | Stenographer | Wisconsin |
| 22 | Ferdinand Koehn | 73 | head | — | Germany |
| 23 | Ida Koehn | 70 | wife | — | Germany |
| 24 | Elsie Koehn | 44 | daughter | Housework | Minnesota |
| 25 | Walter Koehn | 36 | son | Car Taker | Minnesota |
| 26 | Ella Koehn | 35 | daughter | Cook | Minnesota |
| 27 | Otto Altman | 35 | head | Clerk | Minnesota |
| 28 | Grace Altman | 29 | wife | — | Minnesota |
| 29 | Otto L. Altman | 0 | son | — | Minnesota |
| 30 | Melvin Hutchins | 43 | head | Drayer | Minnesota |
| 31 | Helen Hutchins | 39 | wife | — | Minnesota |
| 32 | Melvin Hutchins | 18 | son | — | Minnesota |
| 33 | Axel Nelson | 57 | head | Railroad Car Repairman | Sweden |
| 34 | Hedvig Nelson | 58 | wife | — | Sweden |
| 35 | Otto Widell | 51 | brother-in-law | — | Sweden |
| 36 | Robert Copley | 54 | head | Salesman | Minnesota |
| 37 | Irene Copley | 48 | wife | — | Illinois |
| 38 | Freda Jackovich | 78 | mother-in-law | — | Germany |
| 39 | John Crosby | 46 | head | Foreman | Minnesota |
| 40 | Crosby | 46 | wife | — | Minnesota |
Pedigree Summary
Ernest + 3 siblings
Gen 1 · 5 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)