MP
Maria Perez — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Agana-County, Guam
Our Model Tree links this Maria Perez across the 1930 and 1940 US Censuses in Agana-County, Guam (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Female
Daughter
Born: Guam
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Agana-County, Guam |
| Surname | Perez |
| Given Name | Maria F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Cha |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Guam |
| 1935 Residence (City) | Agana City (part of) |
| 1935 Residence (County) | Agana |
| Additional Details | |
| Highest Grade | Yes 6 |
| 1935 Residence | Same place |
| Birth State | Guam |
| Birth Country | United States |
| Birthplace (normalized) | guam |
| Township / Ward | Agana City Part Of |
| Est. Birth Year | ~1927 |
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 1940 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Vicente Perez | Son | — | 10 | ~1930 |
| Teresita Perez | Other | — | 2 | ~1938 |
| Jose Perez | Head | — | 51 | ~1889 |
| Dolores Perez | Spouse | — | 48 | ~1892 |
| Antonio Perez | Son | — | 7 | ~1933 |
| Eduviges Perez | Other | — | 24 | ~1916 |
| Jose Perez | Other | — | 5 | ~1935 |
| Maria Perez | Daughter | — | 13 | ~1927 |
| Francisco Perez | Son | — | 18 | ~1922 |
| Jesus Perez | Other | — | ~1940 | |
| Juan Perez | Other | — | 3 | ~1937 |
| Joaquin Perez | Son | — | 16 | ~1924 |
Census Appearances
1930
None, None
Daughter, age 3
None, None · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perez |
| Given Name | Maria F |
| Relationship to Head | Daughter |
| Sex | F |
| 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 |
1940
Agana-County, Guam
Daughter, age 13
Agana-County, Guam · implied b. ~1927 — 12 household members
| Surname | Perez |
| Given Name | Maria F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Cha |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Guam |
| 1935 Residence (City) | Agana City (part of) |
| 1935 Residence (County) | Agana |
| Highest Grade | Yes 6 |
| 1935 Residence | Same place |
| 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 Perez across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Perez
Daughter · 1940 · age 13 · b. ~1927 · Guam
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Sibling
Francisco Perez
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vicente Perez
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antonio Perez
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joaquin Perez
Sibling · 1940 · age 16
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 — 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-t0627-04643-00256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jose M. Perez | 51 | Head | Butcher | Guam |
| 2 | Dolores F. Perez | 48 | Wife | — | Guam |
| 3 | Francisco F. Perez | 18 | Son | App. Surveyor | Guam |
| 4 | Joaquin F. Perez | 16 | Son | — | Guam |
| 5 | Maria F. Perez THIS PERSON | 13 | Daughter | — | Guam |
| 6 | Vicente F. Perez | 10 | Son | None | Guam |
| 7 | Antonio F. Perez | 7 | Son | None | Guam |
| 8 | Eduviges M. Perez | 24 | Daughter-in-law | None | Guam |
| 9 | Jose M. Perez | 5 | Grandson | None | Guam |
| 10 | Juan M. Perez | 3 | Grandson | None | Guam |
| 11 | Teresita M. Perez | 2 | Grand-daughter | None | Guam |
| 12 | Jesus M. Perez | 0 | Grand-son | None | Guam |
| 13 | Jesus F. Perez | 28 | Head | Stockman | Guam |
| 14 | Tomasa A. Perez | 25 | Wife | None | Guam |
| 15 | Johnny A. Perez | 6 | Son | None | Guam |
| 16 | Dolores A. Perez | 4 | Daughter | None | Guam |
| 17 | Catalina A. Cruz | 19 | Servant | Servant | Guam |
| 18 | Maria R. Mesa | 47 | Head | Laundress | Guam |
| 19 | Manuel R. Mesa | 34 | Brother | Servant | Guam |
| 20 | Felix V. Mesa | 1 | Son | None | Guam |
| 21 | Pascual C. Antero | 27 | Head | Policeman | Guam |
| 22 | Emeliana P. Antero | 24 | Wife | None | Guam |
| 23 | Jesus L. Antero | 3 | Son | None | Guam |
| 24 | Maria A. Antero | 1 | Daughter | None | Guam |
| 25 | Melba S. Antero | 0 | DAUGHTER | None | Guam |
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)