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John Montgomery — 1940 US Census Record
Model Tree available1940 United States Federal Census · Eddy-County, New Mexico
Our Model Tree links this John Montgomery across the 1920, 1930 and 1940 US Censuses in Eddy-County, New Mexico (XGBoost, ~Confirmed), with identified parents William & Mary — first a son (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Male
Son
Born: New Mexico
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Eddy-County, New Mexico |
| Surname | Montgomery |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New Mexico |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Eddy |
| Additional Details | |
| Occupation | Operator |
| Industry | Ranch |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
| Occupation | Operator |
| Township / Ward | Queen Precinct 8 |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Montgomery | Head | — | 56 | ~1884 |
| Bobbie Montgomery | Other | — | 1 | ~1939 |
| Barbara Montgomery | Other | — | 2 | ~1938 |
| Helen Montgomery | Other | — | 22 | ~1918 |
| John Montgomery | Son | — | 33 | ~1907 |
Census Appearances
1920
Eddy, New …
Son, age 13
Eddy, New Mexico · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | John Elias |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1930
Eddy, New …
Son, age 23
Eddy, New Mexico · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | sheep raiser |
| Industry | sheep ranch |
| Class of Worker | O |
| Can Read/Write | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1940
Eddy-County, New …
Son, age 33
Eddy-County, New Mexico · implied b. ~1907 — 5 household members
| Surname | Montgomery |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New Mexico |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Eddy |
| Occupation | Operator |
| Industry | Ranch |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
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 John Montgomery across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Montgomery (~0.92 confidence) and mother Mary Montgomery (~0.92 confidence) and mother Mary Montgomery (~0.92 confidence) and mother Mary Montgomery (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Montgomery
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Montgomery
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Mary Montgomery
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Mary Montgomery
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Montgomery
Son · 1940 · age 33 · b. ~1907 · 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 — Eddy-County, New Mexico
Open full size
1940 US Federal Census — Eddy-County, New Mexico
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02444-00654)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Garner Sanders | 24 | Head | Operator | Texas |
| 42 | Mary G. Montgomery | 56 | Head | Operator | Texas |
| 43 | John E. Montgomery THIS PERSON | 33 | Son | Operator | New Mexico |
| 44 | Helen Montgomery | 22 | Daughter in law | Housewife | Texas |
| 45 | Barbara Montgomery | 2 | Granddaughter | — | New Mexico |
| 46 | Bobbie Montgomery | 1 | Grandson | — | Texas |
| 47 | Ralph Thayer | 46 | Head | Operator | Texas |
| 48 | Mable Thayer | 44 | Wife | Housewife | Texas |
| 49 | Dorothy Thayer | 14 | Daughter | New Worker | New Mexico |
| 50 | Doris Thayer | 14 | Daughter | New Worker | New Mexico |
| 51 | Dean M. Earl | 39 | Head | Forest Ranger | Kansas |
| 52 | Della Earl | 30 | Wife | Housewife | Texas |
| 53 | Robert D. Earl | 4 | Son | — | Utah |
| 54 | Roy Moore | 27 | Head | Fire Guard | Texas |
| 55 | L. W. Jones | 33 | Head | Operator | Texas |
| 56 | Cecil Jones | 28 | Wife | Housewife | Texas |
| 57 | Keith Jones | 10 | Son | — | Texas |
| 58 | Irma Lee Jones | 8 | Daughter | — | Texas |
| 59 | Dave Mccollum | 54 | Head | Operator | Texas |
| 60 | Etta Mccollum | 60 | Wife | Housewife | Texas |
| 61 | Lucy Mccollum | 18 | Daughter | — | New Mexico |
| 62 | Paul Mccollum | 15 | Son | — | Texas |
| 63 | Seth Mccollum | 26 | Son | Laborer | Texas |
| 64 | Ruby Mccollum | 22 | Daughter in law | Housewife | Texas |
| 65 | Tom E. Middleton | 59 | Head | Operator | Texas |
| 66 | Pearl Middleton | 46 | Wife | Housewife | Texas |
| 67 | Howard Middleton | 15 | Son | — | Texas |
| 68 | J. W. Caldwell | 40 | Head | Operator | Texas |
| 69 | Anna Caldwell | 25 | Wife | Housewife | New Mexico |
| 70 | Dannie Caldwell | 4 | Son | — | Texas |
| 71 | Hillmon Queen | 72 | Head | Operator | Texas |
| 72 | Abbie Queen | 56 | Wife | Housewife | Texas |
| 73 | Lloyd Foster | 40 | Head | Foreman | Texas |
| 74 | Clyde Moore | 30 | Employee | Laborer | New Mexico |
| 75 | James Pickett | 57 | Head | Pumper | Texas |
| 76 | John Ables | 26 | Head | Operator | New Mexico |
| 77 | Joe Williams | 65 | Head | Laborer | Texas |
| 78 | Betty Williams | 56 | Wife | Housewife | Texas |
| 79 | George Williams | 21 | Son | Laborer | Texas |
| 80 | Joe E. Williams | 17 | Son | — | Texas |
Pedigree Summary
John
Gen 1 · 4 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)