WN
William Nicholson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Mexico
Our Model Tree links this William Nicholson across the 1930 and 1940 US Censuses in Union-County, New Mexico (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 9-person household.
Age 62
b. ~1878
Male
Head
Born: Kansas
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Mexico |
| Surname | Nicholson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Kansas |
| 1935 Residence (City) | Clayton town |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Carpenter |
| Township / Ward | Clayton Town |
| Est. Birth Year | ~1878 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Jimmy Osborn | Son | — | 4 | ~1936 |
| Rose Nicholson | Daughter | — | 13 | ~1927 |
| Essie Nicholson | Daughter | — | 17 | ~1923 |
| Blanche Nicholson | Daughter | — | 15 | ~1925 |
| Joe Nicholson | Son | — | 25 | ~1915 |
| Inez Osborn | Daughter | — | 27 | ~1913 |
| Earl Nicholson | Son | — | 22 | ~1918 |
| Jerry Osborn | Son | — | 6 | ~1934 |
| William Nicholson | Head | — | 62 | ~1878 |
Census Appearances
1930
Union, New …
Head, age 52
Union, New Mexico · implied b. ~1878 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 26 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Union-County, New …
Head, age 62
Union-County, New Mexico · implied b. ~1878 — 9 household members
| Surname | Nicholson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Kansas |
| 1935 Residence (City) | Clayton town |
| 1935 Residence (County) | Union |
| Occupation | Carpenter |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 William Nicholson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Nicholson
Head · 1940 · age 62 · b. ~1878 · New Mexico
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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 — Union-County, New Mexico
Open full size
1940 US Federal Census — Union-County, New Mexico
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02455-00082)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ben Jr Martinez | 7 | Son | — | N. Mex |
| 2 | Rose Martinez | 6 | Daughter | — | N. Mex |
| 3 | Elsie Martinez | 5 | Daughter | — | N. Mex |
| 4 | Henry Martinez | 2 | Son | — | N. Mex |
| 5 | Mary Martinez | 0 | Daughter | — | N. Mex |
| 6 | Joe S. Trujillo | 64 | Head | Common Labor | N. Mex |
| 7 | Lucia Quintana | 36 | Head | — | N. Mex |
| 8 | Emma Quintana | 15 | Daughter | — | N. Mex |
| 9 | Horacio Quintana | 7 | Son | — | N. Mex |
| 10 | Antonio Pacheco | 34 | Brother | Common Labor | N. Mex |
| 11 | William Nicholson THIS PERSON | 62 | Head | Carpenter | Kansas |
| 12 | Joe Nicholson | 25 | Son | Attendant | N. Mex |
| 13 | Earl Nicholson | 22 | Son | Attendant | N. Mex |
| 14 | Essie Mae Nicholson | 17 | Daughter | — | N. Mex |
| 15 | Blanche Nicholson | 15 | Daughter | — | N. Mex |
| 16 | Rose Nicholson | 13 | Daughter | — | N. Mex |
| 17 | Inez Osborn | 27 | Daughter | — | Oklahoma |
| 18 | Jerry Osborn | 6 | Son | — | N. Mex |
| 19 | Jimmy Osborn | 4 | Son | — | N. Mex |
| 20 | Emma B. Ratcliff | 62 | Head | — | Kentucky |
| 21 | William F. Trimble | 37 | Head | Blacksmith | Missouri |
| 22 | Hattie L. Trimble | 38 | Wife | — | Oklahoma |
| 23 | Scott N. Trimble | 22 | Son | Truck Driver | N. Mex |
| 24 | Louis B. Trimble | 11 | Son | — | N. Mex |
| 25 | Grover Weckel | 51 | Head | Foreman | Kansas |
| 26 | Roy E. Pogue | 29 | Head | Agent | Missouri |
| 27 | Vivian Pogue | 30 | Wife | — | N. Mex |
| 28 | Beverley Pogue | 4 | Daughter | — | N. Mex |
| 29 | Annette Pogue | 2 | Daughter | — | N. Mex |
| 30 | Nora Macdonald | 72 | Head | — | Michigan |
| 31 | George Markey | 45 | Head | Minister | Belgium |
| 32 | Feloniz Garcia | 50 | Maid | Maid | N. Mex |
| 33 | Geo. Lee Spruce | 42 | Head | Blacksmith | Texas |
| 34 | Velma L. Spruce | 37 | Wife | — | Texas |
| 35 | Charles L. Spruce | 17 | Son | Mechanic Helper | N. Mex |
| 36 | Pearline Spruce | 15 | Daughter | — | N. Mex |
| 37 | Ethel M. Spruce | 13 | Daughter | — | N. Mex |
| 38 | Christine L. Spruce | 10 | Daughter | — | N. Mex |
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)