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Maria Martinez — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Agana-County, Guam
Our Model Tree links this Maria Martinez across the 1920, 1930 and 1940 US Censuses in Agana-County, Guam (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 13-person household.
Age 44
b. ~1896
Female
Spouse
Born: Guam
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Agana-County, Guam |
| Surname | Martinez |
| Given Name | Maria T. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Cha |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Guam |
| Additional Details | |
| Highest Grade | no 6 |
| 1935 Residence | none |
| Birth State | Guam |
| Birth Country | United States |
| Birthplace (normalized) | guam |
| Township / Ward | Agana City Part Of |
| Est. Birth Year | ~1896 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Concepcion Martinez | Daughter | — | 9 | ~1931 |
| Vicente Martinez | Son | — | 8 | ~1932 |
| Maria Martinez | Daughter | — | 13 | ~1927 |
| Carmen Martinez | Daughter | — | 5 | ~1935 |
| Jose Martinez | Son | — | 17 | ~1923 |
| Josefina Martinez | Daughter | — | 12 | ~1928 |
| Pedro Martinez | Son | — | 19 | ~1921 |
| Ana Martinez | Daughter | — | 21 | ~1919 |
| Luis Martinez | Son | — | 14 | ~1926 |
| Pedro Martinez | Head | — | 47 | ~1893 |
| Antonia Martinez | Daughter | — | 10 | ~1930 |
| Maria Martinez | Spouse | — | 44 | ~1896 |
| Rosa Martinez | Daughter | — | 16 | ~1924 |
Census Appearances
1920
None, None
Spouse, age 24
None, None · implied b. ~1896 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Maria T. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | cha |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Guam |
| Father's Birthplace | Guam |
| Mother's Birthplace | Guam |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Guam |
| Birth Country | United States |
| Birthplace (normalized) | guam |
1930
None, None
Spouse, age 34
None, None · implied b. ~1896 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Maria C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Cha |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Guam |
| Age at First Marriage | 18 |
| Father's Birthplace | Guam |
| Mother's Birthplace | Guam |
| Can Read/Write | No |
| Birth State | Guam |
| Birth Country | United States |
| Birthplace (normalized) | guam |
1940
Agana-County, Guam
Spouse, age 44
Agana-County, Guam · implied b. ~1896 — 13 household members
| Surname | Martinez |
| Given Name | Maria T. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Cha |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Guam |
| Highest Grade | no 6 |
| 1935 Residence | none |
| Birth State | Guam |
| Birth Country | United States |
| Birthplace (normalized) | guam |
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 Maria Martinez across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Martinez
Spouse · 1940 · age 44 · b. ~1896 · Guam
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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 — Agana-County, Guam
Open full size
1940 US Federal Census — Agana-County, Guam
Page Contents
25 people indexed on this census page (nara:1940:m-t0627-04643-00230)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Luisa R. Lujan | 80 | mother-in-law | — | Guam |
| 2 | Leon Quintanilla | 22 | servant | 520 | Guam |
| 3 | William H. Netley | 62 | Head | — | Rhode Island |
| 4 | Emelia M. (Ab) Netley | 58 | wife | — | Guam |
| 5 | Grace E. (Ab) Netley | 17 | daughter | — | Guam |
| 6 | Rita M. Martinez | 67 | Lodger | — | Guam |
| 7 | Julia M. Martinez | 37 | Lodger | — | Guam |
| 8 | Candido S. Pangelinan | 27 | Lodger | — | Saipan |
| 9 | Pedro Martinez | 47 | Head | — | Guam |
| 10 | Maria T. Martinez THIS PERSON | 44 | wife | — | Guam |
| 11 | Ana T. Martinez | 21 | daughter | — | Guam |
| 12 | Pedro T. Martinez | 19 | son | — | Guam |
| 13 | Jose T. Martinez | 17 | son | — | Guam |
| 14 | Rosa T. Martinez | 16 | daughter | — | Guam |
| 15 | Luis T. Martinez | 14 | son | — | Guam |
| 16 | Maria T. Martinez | 13 | daughter | — | Guam |
| 17 | Josefina T. Martinez | 12 | daughter | — | Guam |
| 18 | Antonia T. Martinez | 10 | daughter | — | Guam |
| 19 | Concepcion T. Martinez | 9 | daughter | — | Guam |
| 20 | Vicente T. Martinez | 8 | son | — | Guam |
| 21 | Carmen T. Martinez | 5 | daughter | — | Guam |
| 22 | Chester C. Butler | 55 | Head | — | Texas |
| 23 | Ignacia B. Butler | 42 | wife | — | Guam |
| 24 | Beatrice L. Butler | 22 | daughter | — | Guam |
| 25 | Dorothy L. Butler | 12 | daughter | — | Guam |
Related Census Records
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)