WD
William Dennis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Colfax-County, New Mexico
Our Model Tree links this William Dennis across the 1920, 1930 and 1940 US Censuses in Colfax-County, New Mexico (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Colfax-County, New Mexico |
| Surname | Dennis |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Raton |
| Additional Details | |
| Occupation | brakeman |
| Industry | Santa Fe RR |
| Class of Worker | PW |
| Hours Worked | 33 |
| Income (1939) | 875 |
| Highest Grade | C-1 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Brakeman |
| Township / Ward | Raton |
| Est. Birth Year | ~1905 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Dennis | Spouse | — | 29 | ~1911 |
| William Dennis | Head | — | 35 | ~1905 |
| William Dennis | Son | — | 4 | ~1936 |
Census Appearances
1920
Colfax, New …
Son, age 14
Colfax, New Mexico · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Colfax, New …
Son, age 24
Colfax, New Mexico · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | R.R. Brakeman |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Colfax-County, New …
Head, age 35
Colfax-County, New Mexico · implied b. ~1905 — 3 household members
| Surname | Dennis |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Raton |
| Occupation | brakeman |
| Industry | Santa Fe RR |
| Class of Worker | PW |
| Hours Worked | 33 |
| Income (1939) | 875 |
| Highest Grade | C-1 |
| 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 Dennis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Dennis (~0.92 confidence) and father John Dennis (~0.92 confidence) and mother Jennie Dennis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Dennis
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Dennis
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Jennie Dennis
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Dennis
Head · 1940 · age 35 · b. ~1905 · New Mexico
★ 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 — Colfax-County, New Mexico
Open full size
1940 US Federal Census — Colfax-County, New Mexico
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02441-00218)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabelle Drey | 19 | daughter | — | Arizona |
| 42 | Don Drey | 7 | son | — | St. Louis |
| 43 | Richard Drey | 5 | son | — | Missouri |
| 44 | Mary C. Martinez | 56 | head | — | New Mexico |
| 45 | Thelma E. Martinez | 19 | daughter | — | New Mexico |
| 46 | Flora A. Martinez | 14 | daughter | — | New Mexico |
| 47 | Walter James Reed | 48 | head | Bridge Builder | New Mexico |
| 48 | Bertha Reed | 46 | wife | Saleslady | Colorado |
| 49 | Irene Nettie Norton | 39 | lodger | Teacher | Oklahoma |
| 50 | Roland Shaw | 24 | head | Mechanic Helper | Texas |
| 51 | Maurine Shaw | 30 | wife | — | Texas |
| 52 | Louis Savis | 60 | head | Owner | Italy |
| 53 | Conceta Savis | 55 | wife | — | Michigan |
| 54 | Angelo Aovata | 37 | step-son | Baker | Colorado |
| 55 | Ruth Aovata | 35 | step-daughter-in-law | Clerk | New Mexico |
| 56 | Mariano Franich | 50 | head | Carpenter | Austria |
| 57 | Eva Franich | 50 | wife | — | Austria |
| 58 | Elizabeth Franich | 20 | daughter | Telephone Operator | New Mexico |
| 59 | Helen Franich | 16 | daughter | — | New Mexico |
| 60 | William Dennis THIS PERSON | 35 | head | Brakeman | Kansas |
| 61 | Marjorie Dennis | 29 | wife | Clerk | Missouri |
| 62 | William Jr. Dennis | 4 | son | — | New Mexico |
| 63 | Glen L. Taylor | 31 | head | Clerk Attendant | New Mexico |
| 64 | Katherine Taylor | 28 | wife | — | Colorado |
| 65 | Glen Edwin Taylor | 2 | son | — | New Mexico |
| 66 | Curt Lawhorn | 37 | head | Locomotive Fireman | Texas |
| 67 | Cecelia Lawhorn | 23 | wife | — | Colorado |
| 68 | Rebecca Oline | 73 | head | — | Tennessee |
| 69 | James Oline | 29 | son | Printer | New Mexico |
| 70 | Charles Woodhouse | 26 | head | Delivery-Man | New Mexico |
| 71 | Ida Woodhouse | 27 | wife | — | New Mexico |
| 72 | Nancy Ann Woodhouse | 4 | daughter | — | New Mexico |
| 73 | Lee Andrew Kakuk | 26 | brother-in-law | Miner | New Mexico |
| 74 | Mike Piancine | 53 | head | Manager | Italy |
| 75 | Tessie Piancine | 33 | wife | — | New Mexico |
| 76 | Alma Piancine | 13 | daughter | — | New Mexico |
| 77 | Tony Piancine | 11 | son | — | New Mexico |
| 78 | Willie Davis | 62 | head | Asst Cook | Virginia |
| 79 | Joseph Calloway | 35 | head | Brakeman | Missouri |
| 80 | Thelma Calloway | 20 | wife | — | New Mexico |
Pedigree Summary
William
Gen 1 · 3 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)