MN
Martin Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sacramento-County, California
Our Model Tree links this Martin Nelson across the 1920, 1930 and 1940 US Censuses in Sacramento-County, California (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 6-person household.
Age 48
b. ~1892
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sacramento-County, California |
| Surname | Nelson |
| Given Name | Martin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | American |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | 42 |
| Industry | Mechanic Helper |
| Class of Worker | Cemetery |
| Highest Grade | No 8 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | 42 |
| Township / Ward | American |
| Est. Birth Year | ~1892 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martin | Age | Birth yr |
|---|---|---|---|---|
| Oscar Nelson | Son | — | 5 | ~1935 |
| Lorena Nelson | Spouse | — | 33 | ~1907 |
| Martin Nelson | Head | — | 48 | ~1892 |
| Robert Nelson | Son | — | 14 | ~1926 |
| Jack Nelson | Son | — | 1 | ~1939 |
| Marylou Nelson | Daughter | — | 10 | ~1930 |
Census Appearances
1920
San Francisco, …
Other, age 28
San Francisco, California · implied b. ~1892 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Martin L. |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1908 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Mechanic |
| Industry | Hotel |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
County Of …
Head, age 37
County Of San Francisco, California · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Martin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Sweden |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Contractor |
| Industry | Brick |
| Class of Worker | E |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 11,000 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Sacramento-County, California
Head, age 48
Sacramento-County, California · implied b. ~1892 — 6 household members
| Surname | Nelson |
| Given Name | Martin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | American |
| Naturalization Status | Naturalized |
| Occupation | 42 |
| Industry | Mechanic Helper |
| Class of Worker | Cemetery |
| Highest Grade | No 8 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Martin Nelson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Martin Nelson
Head · 1940 · age 48 · b. ~1892 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sacramento-County, California
Open full size
1940 US Federal Census — Sacramento-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00280-00432)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Caroline Sowash | 30 | Wife | Egg Handler | Minnesota |
| 42 | Katherine Havermann | 57 | Mother in law | 0 | Minnesota |
| 43 | Violet | 35 | Sister in law | 44 | Missouri |
| 44 | Don L. Fleming | 33 | Head | Minister | Michigan |
| 45 | Delia Fleming | 34 | Wife | — | Michigan |
| 46 | Phyllis Fleming | 7 | Daughter | — | Oklahoma |
| 47 | Sonia Fleming | 5 | Daughter | — | Oklahoma |
| 48 | Joe Borneo | 23 | Head | 48 | California |
| 49 | Dorothy Borneo | 17 | Wife | — | California |
| 50 | Clarence Mccullough | 31 | Head | Truck Driver | Oklahoma |
| 51 | Marie Mccullough | 28 | Wife | Stenographer | California |
| 52 | Diane Whitson | 4 | Daughter | — | California |
| 53 | Shirl J. Williams | 79 | Father in law | — | Pennsylvania |
| 54 | Martin Nelson THIS PERSON | 48 | Head | 42 | Sweden |
| 55 | Lorena Nelson | 33 | Wife | — | California |
| 56 | Robert Nelson | 14 | Son | 44 | California |
| 57 | Marylou Nelson | 10 | Daughter | — | California |
| 58 | Oscar Nelson | 5 | Son | — | California |
| 59 | Jack Nelson | 1 | Son | — | California |
| 60 | Lee Alenders | 25 | Head | 40 | California |
| 61 | Aline Alenders | 23 | Wife | — | Oklahoma |
| 62 | Janice Alenders | 3 | Daughter | — | California |
| 63 | Fred Phelps | 44 | Head | 40 | Oklahoma |
| 64 | Hazel Phelps | 45 | Wife | — | Kansas |
| 65 | Robert Jones | 38 | Head | Mechanic | Iowa |
| 66 | Elizabeth Jones | 28 | Wife | — | Oklahoma |
| 67 | Newman Fitzwater | 54 | Head | Plasterer | Missouri |
| 68 | Don Sisson | 19 | Lodger | Hod Carrier | Kansas |
| 69 | Vincent | 23 | Lodger | Plasterer | Kansas |
| 70 | Ellis M. Haileigh | 38 | Head | 48 | Colorado |
| 71 | Edith M. Haileigh | 35 | Wife | — | California |
| 72 | Gordon Holderman | 25 | Head | 40 | Minnesota |
| 73 | Sylvia Holderman | 23 | Wife | 39 | Wyoming |
| 74 | Maynard Norman | 36 | Head | 50 | Minnesota |
| 75 | Marion Norman | 30 | Wife | 40 | Illinois |
| 76 | Maynard Jr. Norman | 11 | Son | — | California |
| 77 | Robert Norman | 9 | Son | — | California |
| 78 | Dawn Marie Norman | 7 | Daughter | — | California |
| 79 | Willis N. Burlingame | 64 | Head | 48 | Ohio |
| 80 | Anna Burlingame | 55 | Wife | — | Minnesota |
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)