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Manuel Martinez — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alamosa-County, Colorado
Our Model Tree links this Manuel Martinez across the 1920, 1930 and 1940 US Censuses in Alamosa-County, Colorado (XGBoost, ~Confirmed), with identified parents Abdon & Abedon — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alamosa-County, Colorado |
| Surname | Martinez |
| Given Name | Manuel D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Alamosa City |
| 1935 Residence (County) | Alamosa |
| Additional Details | |
| Occupation | CCC Camp |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 408 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Ccc Camp |
| Township / Ward | Alamosa City |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Manuel | Age | Birth yr |
|---|---|---|---|---|
| Jose Martinez | Son | — | 24 | ~1916 |
| Antonio Martinez | Head | — | 48 | ~1892 |
| Theresa Martinez | Daughter | — | 10 | ~1930 |
| Manuel Martinez | Son | — | 22 | ~1918 |
| Josephine Martinez | Daughter | — | 11 | ~1929 |
| Petralina Martinez | Daughter | — | 8 | ~1932 |
| Isabel Martinez | Daughter | — | 16 | ~1924 |
Census Appearances
1920
Alamosa, Colorado
Son, age
Alamosa, Colorado · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Alamosa, Colorado
Son, age 11
Alamosa, Colorado · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Manuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | New Mexico |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Alamosa-County, Colorado
Son, age 22
Alamosa-County, Colorado · implied b. ~1918 — 7 household members
| Surname | Martinez |
| Given Name | Manuel D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Alamosa City |
| 1935 Residence (County) | Alamosa |
| Occupation | CCC Camp |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 408 |
| Highest Grade | H 4 |
| 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 Manuel Martinez across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Abdon Martinez (~0.92 confidence) and father Abedon Martinez (~0.92 confidence) and father Antonio Martinez (~0.92 confidence) and mother Manuela Martinez (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Abdon Martinez
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Abedon Martinez
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Antonio Martinez
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Manuela Martinez
b. ~1903
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Manuel Martinez
Son · 1940 · age 22 · b. ~1918 · Colorado
★ You are viewing this record
Sibling
Petralina Martinez
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jose Martinez
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabel Martinez
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Martinez
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Martinez
Sibling · 1940 · age 10
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 — Alamosa-County, Colorado
Open full size
1940 US Federal Census — Alamosa-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00454-00861)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albino Madrid | 26 | Head | Painter | New Mex |
| 2 | Celina Madrid | 27 | Wife | — | Colorado |
| 3 | David Madrid | 6 | Son | — | Colorado |
| 4 | Norma Jean Madrid | 4 | Daughter | — | Colorado |
| 5 | Marcella A Madrid | 3 | Daughter | — | Colorado |
| 6 | Albino L Madrid | 2 | Son | — | Colorado |
| 7 | Antonio M Martinez | 48 | Head | Carman | New Mex |
| 8 | Jose H Martinez | 24 | Son | New Worker | Colorado |
| 9 | Manuel D Martinez THIS PERSON | 22 | Son | Ccc Camp | Colorado |
| 10 | Isabel Martinez | 16 | Daughter | Nya | Colorado |
| 11 | Josephine Martinez | 11 | Daughter | — | Colorado |
| 12 | Theresa Martinez | 10 | Daughter | — | Colorado |
| 13 | Petralina Martinez | 8 | Daughter | — | Colorado |
| 14 | James Hunter | 47 | Head | Foreman | Indiana |
| 15 | Minnie Hunter | 39 | Wife | — | Oklahoma |
| 16 | James W Hunter | 20 | Son | Laborer | Colo |
| 17 | Robert Hunter | 14 | Son | — | Colorado |
| 18 | Dorothy Hunter | 11 | Daughter | — | Arkansas |
| 19 | Thomas Hunter | 9 | Son | — | Colorado |
| 20 | Howard Hunter | 4 | Son | — | Colorado |
| 21 | Celestino Vigil | 50 | Head | Laborer | New Mex |
| 22 | Aurelia Vigil | 38 | Wife | — | New Mex |
| 23 | Leo C Vigil | 10 | Son | — | Colorado |
| 24 | Priscilla Vigil | 7 | Daughter | — | Colorado |
| 25 | Antonio Ruybal | 42 | Head | Checker | New Mex |
| 26 | Rosario Ruybal | 36 | Wife | — | Colorado |
| 27 | Pauline Ruybal | 15 | Daughter | — | Colorado |
| 28 | Arthur Ruybal | 13 | Son | — | Colorado |
| 29 | Loyola Ruybal | 12 | Daughter | — | Colorado |
| 30 | Leroy Ruybal | 8 | Son | — | Colorado |
| 31 | Irene Ruybal | 6 | Daughter | — | Colorado |
| 32 | Eugene Ruybal | 2 | Son | — | Colorado |
| 33 | Carlos Estrada | 57 | Head | Stationary Fireman | Colorado |
| 34 | Elizia Estrada | 39 | Wife | — | Colorado |
| 35 | Stella Estrada | 18 | Daughter | — | Colorado |
| 36 | Eunice Estrada | 17 | Daughter | — | Colorado |
| 37 | Julia Estrada | 14 | Daughter | — | Colorado |
| 38 | Carlos Estrada | 12 | Son | — | Colorado |
| 39 | Evangeline Estrada | 4 | Daughter | — | Colorado |
| 40 | Sophia Jacobs | 38 | Head | Housekeeper | Colorado |
Pedigree Summary
Manuel + 5 siblings
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)