JN
James Nichols — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fremont-County, Wyoming
Our Model Tree links this James Nichols across the 1930 and 1940 US Censuses in Fremont-County, Wyoming (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: Wyoming
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fremont-County, Wyoming |
| Surname | Nichols |
| Given Name | James L. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Wyoming |
| 1935 Residence (City) | Shoshoni Town |
| 1935 Residence (County) | Fremont |
| Additional Details | |
| Income (1939) | 20 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
| Township / Ward | Shoshoni Town |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Helen Nichols | Daughter | — | 19 | ~1921 |
| Mary Nichols | Daughter | — | 7 | ~1933 |
| Julia Nichols | Daughter | — | 13 | ~1927 |
| Gladys Nichols | Daughter | — | 10 | ~1930 |
| J Nichols | Head | — | 50 | ~1890 |
| James Nichols | Son | — | 15 | ~1925 |
| Luther Nichols | Son | — | 12 | ~1928 |
| Watson Nichols | Son | — | 17 | ~1923 |
| Susie Nichols | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Fremont, Wyoming
Son, age 5
Fremont, Wyoming · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | James T. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Wyoming |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
1940
Fremont-County, Wyoming
Son, age 15
Fremont-County, Wyoming · implied b. ~1925 — 9 household members
| Surname | Nichols |
| Given Name | James L. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Wyoming |
| 1935 Residence (City) | Shoshoni Town |
| 1935 Residence (County) | Fremont |
| Income (1939) | 20 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
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 James Nichols across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Nichols
Son · 1940 · age 15 · b. ~1925 · Wyoming
★ You are viewing this record
Sibling
Gladys Nichols
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Watson Nichols
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Nichols
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Nichols
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luther Nichols
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Nichols
Sibling · 1940 · age 7
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 — Fremont-County, Wyoming
Open full size
1940 US Federal Census — Fremont-County, Wyoming
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04570-00157)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis A. Gonsalez | 43 | Head | General Manager | Iowa |
| 2 | Anna P. Gonsalez | 46 | Wife | — | Colorado |
| 3 | Harry R. Gonsalez | 20 | Son | Truck Driver | Montana |
| 4 | Thelma E. Gonsalez | 18 | Daughter | Waitress | Montana |
| 5 | C. Ray Stewart | 21 | Hired Hand | General Laborer | Illinois |
| 6 | Edward L. Crabb | 76 | Head | Surveyor | Cuba |
| 7 | Anita B. Crabb | 82 | Sister | — | Cuba |
| 8 | Pauline V. Crabb | 66 | Sister | — | New York |
| 9 | Robert W. Spalding | 33 | Head | Superintendent | Wyoming |
| 10 | Elizabeth K. Spalding | 29 | Wife | — | Colorado |
| 11 | Robert M. Spalding | 5 | Son | — | Wyoming |
| 12 | Kenneth L. Spalding | 1 | Son | — | Wyoming |
| 13 | Grover Hawkins | 55 | Head | Buckherder | Colorado |
| 14 | J. L. Nichols | 50 | Head | Deputy Sheriff | Michigan |
| 15 | Susie Nichols | 51 | Wife | — | Michigan |
| 16 | Helen Nichols | 19 | Daughter | — | Wyoming |
| 17 | Watson B. Nichols | 17 | Son | Chore-Boy | Wyoming |
| 18 | James L. Jr. Nichols THIS PERSON | 15 | Son | — | Wyoming |
| 19 | Julia Marie Nichols | 13 | Daughter | — | Wyoming |
| 20 | Luther P. Nichols | 12 | Son | — | Wyoming |
| 21 | Gladys A. Nichols | 10 | Daughter | — | Wyoming |
| 22 | Mary Sue Nichols | 7 | Daughter | — | Wyoming |
| 23 | Olaf C. Nelson | 41 | Head | Carpenter Helper | Norway |
| 24 | Agnes P. Nelson | 36 | Wife | — | Nebraska |
| 25 | Morris L. Nelson | 12 | Son | — | Nebraska |
| 26 | Palma G. Nelson | 10 | Daughter | — | Nebraska |
| 27 | Dora Berger | 62 | Head | Landlady | Germany |
| 28 | P. C. Price | 68 | Boarder | Head Barber | Kansas |
| 29 | Jesse M. Vertrees | 63 | Head | Owner & Manager | Illinois |
| 30 | Anna N. Vertrees | 50 | Wife | — | Nebraska |
| 31 | Anice M. Vertrees | 21 | Daughter | School Teacher | Wyoming |
| 32 | Lorraine F. Vertrees | 16 | Daughter | — | Wyoming |
| 33 | Elizabeth C. Milne | 25 | Boarder | School Teacher | Wyoming |
| 34 | Everett M. Lucas | 20 | Head | Gardener | Wyoming |
| 35 | Merle L. Albers | 30 | Head | Attendant | Nebraska |
| 36 | Nina L. Albers | 25 | Wife | — | Nebraska |
| 37 | Lois J. Albers | 3 | Daughter | — | Wyoming |
| 38 | Russel J. Sholl | 38 | Head | Field Engineer | Utah |
| 39 | Grace B. Sholl | 37 | Wife | — | Wyoming |
| 40 | Russel J. Jr. Sholl | 14 | Son | — | Wyoming |
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)