FN
Fred Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butte-County, California
Our Model Tree links this Fred Nelson across the 1920, 1930 and 1940 US Censuses in Butte-County, California (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 3-person household.
Age 59
b. ~1881
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butte-County, California |
| Surname | Nelson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Chico city |
| 1935 Residence (County) | Butte |
| Additional Details | |
| Class of Worker | 8 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Chico City |
| Est. Birth Year | ~1881 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Fred Nelson | Head | — | 59 | ~1881 |
| Woodrow Nelson | Son | — | 18 | ~1922 |
| Beatrice Nelson | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Butte, California
Head, age 37
Butte, California · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Laborer |
| Industry | Match factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Butte, California
Head, age 48
Butte, California · implied b. ~1882 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Fred W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 30 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Laborer |
| Industry | Public Bldg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1500 |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Butte-County, California
Head, age 59
Butte-County, California · implied b. ~1881 — 3 household members
| Surname | Nelson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Chico city |
| 1935 Residence (County) | Butte |
| Class of Worker | 8 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Fred Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Fred Nelson
Head · 1940 · age 59 · b. ~1881 · California
★ 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 — Butte-County, California
Open full size
1940 US Federal Census — Butte-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00192-00599)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur Duhnen | Duhmen | 39 | Head | Proprietor | Idaho |
| 2 | Mildred F Duhnen | Duhmen | 30 | Wife | — | Calif. |
| 3 | Julia Duhnen | Duhmen | 19 | Daughter | — | Calif. |
| 4 | Mildred Duhnen | Duhmen | 12 | Daughter | — | Calif. |
| 5 | Art Jr. Duhnen | Duhmen | 6 | Son | — | Calif. |
| 6 | Justin D Smith | 23 | Head | Attendant | Illinois |
| 7 | La Veda Smith | 25 | Wife | Saleslady | Arkansas |
| 8 | Harvey Givins | Givens | 26 | Head | Mechanic | Oklahoma |
| 9 | Vera Givins | Givens | 22 | Wife | — | Calif. |
| 10 | Elsie Shepherd | 52 | Head | — | Missouri |
| 11 | James Pankoski | 10 | Ward | — | Calif. |
| 12 | Leroy Hovey | 19 | Servant | Gardener & Labor-Boy | Oregon |
| 13 | C. W. Ivanov | 60 | Head | — | Russia |
| 14 | Laura Ivanov | 57 | Wife | — | Calif. |
| 15 | Gilbert J. Kelly | 38 | Head | Laborer | Calif. |
| 16 | Golda M. Kelly | 34 | Wife | — | Calif. |
| 17 | Edward L. Kelly | 15 | Son | — | Calif. |
| 18 | Edgar D Knox | 50 | Head | Powder Man | Calif. |
| 19 | Hazel Knox | 45 | Wife | — | Colorado |
| 20 | Benjamin Buller | 81 | Boarder | — | Illinois |
| 21 | Taylor | None | Head | — | — |
| 22 | Alexander Laprise | 71 | Head | — | Quebec Canada |
| 23 | Constance Laprise | 73 | Wife | — | Calif. |
| 24 | Viola Fletcher | 53 | Head | Cook | Oregon |
| 25 | R. C. Henry | 28 | Head | Carman | Kansas |
| 26 | Line Left Out By Mistake | None | — | — | — |
| 27 | Lee Pratt | 56 | Head | Contractor | Calif. |
| 28 | Evelyn Pratt | 41 | Wife | Clerk | Calif. |
| 29 | Creed Pratt | 52 | Brother | Contractor | Calif. |
| 30 | Oscar C. Harris | 43 | Brother-in-law | Cat Operator | Calif. |
| 31 | Anthony Miller | 37 | Head | Handyman | Minnesota |
| 32 | Myrtle Miller | 25 | Wife | — | Minnesota |
| 33 | Donald Miller | 10 | Son | — | Minnesota |
| 34 | Phyllis Miller | 8 | Daughter | — | Minnesota |
| 35 | Dolores Miller | 4 | Daughter | — | Calif. |
| 36 | Fred Nelson THIS PERSON | 59 | Head | — | Colorado |
| 37 | Beatrice Nelson | 58 | Wife | — | Colorado |
| 38 | Woodrow Nelson | 18 | Son | Repairman | Calif. |
| 39 | L. E. Leonard | 69 | Head | Installer | Ohio |
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)