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Juan Martinez — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, None
Our Model Tree links this Juan Martinez across the 1920 and 1930 US Censuses (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 12-person household.
Age 13
b. ~1917
Male
Son
Born: Guam
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, None |
| Surname | Martinez |
| Given Name | Juan |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Cha |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Guam |
| Father's Birthplace | Guam |
| Mother's Birthplace | Guam |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Guam |
| Birth Country | United States |
| Birthplace (normalized) | guam |
| Township / Ward | San Ignacio Agaa Urban |
| Est. Birth Year | ~1917 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Juan | Age | Birth yr |
|---|---|---|---|---|
| Ana Martinez | Daughter | — | 12 | ~1918 |
| Maria Martinez | Spouse | — | 34 | ~1896 |
| Gloria Martinez | Daughter | — | 3 | ~1927 |
| Luis Martinez | Son | — | 4 | ~1926 |
| Rosa Martinez | Daughter | — | 5 | ~1925 |
| Josefina Martinez | Daughter | — | 2 | ~1928 |
| Pedro Martinez | Son | — | 10 | ~1920 |
| Josefa Torres | Other | — | 62 | ~1868 |
| Antonia Martinez | Daughter | — | ~1930 | |
| Juan Martinez | Son | — | 13 | ~1917 |
| Jose Martinez | Son | — | 7 | ~1923 |
| Pedro Martinez | Head | — | 37 | ~1893 |
Census Appearances
1920
None, None
Son, age 3
None, None · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Juan T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | cha |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Guam |
| Father's Birthplace | Guam |
| Mother's Birthplace | Guam |
| Birth State | Guam |
| Birth Country | United States |
| Birthplace (normalized) | guam |
1930
None, None
Son, age 13
None, None · implied b. ~1917 — 12 household members
| Surname | Martinez |
| Given Name | Juan |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Cha |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Guam |
| Father's Birthplace | Guam |
| Mother's Birthplace | Guam |
| Can Read/Write | No |
| 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 Juan Martinez across 2 US Census years (1920 and 1930) in None, None, using XGBoost record linkage.
Show:
This person
Anchor record
Juan Martinez
Son · 1930 · age 13 · b. ~1917 · None
★ You are viewing this record
Sibling
Ana Martinez
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jose Martinez
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josefina Martinez
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luis Martinez
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Martinez
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Martinez
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pedro Martinez
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antonia Martinez
Sibling · 1930 · age
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
1930 US Federal Census — None, None
Open full size
1930 US Federal Census — None, None
Page Contents
25 people indexed on this census page (ia:1930:15thcensus2629unit:0811)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 26 | Soledad Mesa | 26 | Daughter | — | Guam |
| 27 | Rosa Mesa | 22 | Daughter | Teacher | Guam |
| 28 | Vicente Mesa | 20 | Son | Farmer | Guam |
| 29 | Gloria Mesa | 17 | Daughter | — | Guam |
| 30 | Concepcion Mesa | 14 | Daughter | — | Guam |
| 31 | Francisco Mesa | 8 | Son | — | Guam |
| 32 | Jose Mesa | 31 | Son | Machinist | Guam |
| 33 | Candelaria Mesa | 1 | Granddaughter | — | Guam |
| 34 | Rosa S. Rosario | 47 | Head | Laundress | Guam |
| 35 | Jose Rosario | 21 | Son | Farmer | Guam |
| 36 | Manuel Rosario | 19 | Son | Farmer | Guam |
| 37 | Maria Rosario | 17 | Daughter | Maid | Guam |
| 38 | Rosalia Rosario | 15 | Daughter | — | Guam |
| 39 | Pedro Martinez | 37 | Head | Manufacturer | Guam |
| 40 | Maria C. Martinez | 34 | Wife | — | Guam |
| 41 | Juan Martinez THIS PERSON | 13 | Son | — | Guam |
| 42 | Ana S. Martinez | 12 | Daughter | — | Guam |
| 43 | Pedro Martinez | 10 | Son | — | Guam |
| 44 | Jose Martinez | 7 | Son | — | Guam |
| 45 | Rosa Martinez | 5 | Daughter | — | Guam |
| 46 | Luis Martinez | 4 | Son | — | Guam |
| 47 | Gloria Martinez | 3 | Daughter | — | Guam |
| 48 | Josefina Martinez | 2 | Daughter | — | Guam |
| 49 | Antonia Martinez | 0 | Daughter | — | Guam |
| 50 | Josefa P. Torres | 62 | Servant | — | Guam |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)