MP
Mary Perry — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Alameda, California
Our Model Tree links this Mary Perry across the 1910, 1920 and 1930 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 6-person household.
Age 42
b. ~1888
Female
Spouse
Born: Portugal
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Portugal |
| Naturalization Status | Alien |
| Year of Immigration | 1897 |
| Age at First Marriage | 17 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
| Township / Ward | Irvington |
| Est. Birth Year | ~1888 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joaquim Perry | Head | — | 50 | ~1880 |
| John Perry | Son | — | 21 | ~1909 |
| Alfred Perry | Son | — | 18 | ~1912 |
| Laurand Perry | Son | — | 15 | ~1915 |
| Leonard Perry | Son | — | 16 | ~1914 |
| Mary Perry | Spouse | — | 42 | ~1888 |
Census Appearances
1910
Alameda, California
Spouse, age 22
Alameda, California · implied b. ~1888 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Portugal |
| Years Married | 2 |
| Children Born | 0 |
| Children Living | 0 |
| Year of Immigration | 1908 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
1920
Alameda, California
Spouse, age 32
Alameda, California · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Portugal |
| Year of Immigration | 1907 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
1930
Alameda, California
Spouse, age 42
Alameda, California · implied b. ~1888 — 6 household members
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Portugal |
| Naturalization Status | Alien |
| Year of Immigration | 1897 |
| Age at First Marriage | 17 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read/Write | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
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 Mary Perry across 3 US Census years (1910, 1920 and 1930) in Alameda, California, using XGBoost record linkage.
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This person
Anchor record
Mary Perry
Spouse · 1930 · age 42 · b. ~1888 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Alameda, California
Open full size
1930 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel112:0348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Daniel Rosa | 17 | Son | Labourer | California |
| 52 | Edward Rosa | 15 | Son | — | California |
| 53 | Elvera Rosa | 11 | Daughter | — | California |
| 54 | Joaquim T. Perry | 50 | Head | Farmer | Portugal |
| 55 | Wilhelmina Perry | 50 | Wife | — | Portugal |
| 56 | John J. Perry | 28 | Son | Labourer | California |
| 57 | Joaquim Perry | 17 | Son | — | California |
| 58 | Eugenia Campos | 56 | Head | Farmer | Portugal |
| 59 | Oliver Campos | 21 | Son | Teacher | Portugal |
| 60 | Manuel Santos | 64 | Head | Farmer | Portugal |
| 61 | Amelia Santos | 38 | Wife | — | Portugal |
| 62 | Marie Santos | 13 | Daughter | — | California |
| 63 | Anthony Santos | 9 | Son | — | California |
| 64 | Thomas Santos | 8 | Son | — | California |
| 65 | Carmen Palma | 50 | Head | Labourer | Mexico |
| 66 | Elois Palma | 24 | Son | Labourer | Mexico |
| 67 | Joseph Romero | 19 | Lodger | Labourer | Mexico |
| 68 | Refugio Romero | 46 | Lodger | Labourer | Mexico |
| 69 | Jessie Romero | 9 | Lodger | — | California |
| 70 | Guadalupe Munoz | 26 | Lodger | Labourer | Mexico |
| 71 | Martin Hernandez | 25 | Lodger | Labourer | Mexico |
| 72 | Judget Dunham | 54 | Head | Dentist | Illinois |
| 73 | Mabel Dunham | 42 | Wife | — | California |
| 74 | Mildred Dunham | 16 | Daughter | — | California |
| 75 | Milton Dunham | 12 | Son | — | California |
| 76 | Joseph A. Rose | 23 | Head | Trucker | California |
| 77 | Elda B. Rose | 24 | Wife | — | California |
| 78 | Anna May Rose | 2 | Daughter | — | California |
| 79 | Joaquim V. Perry | 50 | Head | Farmer | Portugal |
| 80 | Mary Perry THIS PERSON | 42 | Wife | — | Portugal |
| 81 | John Perry | 21 | Son | Labourer | California |
| 82 | Alfred Perry | 18 | Son | Labourer | California |
| 83 | Leonard Perry | 16 | Son | — | California |
| 84 | Laurand Perry | 15 | Son | — | California |
| 85 | John F. Rosa | 63 | Head | Bricklayer | Portugal |
| 86 | Mary Rosa | 48 | Wife | — | Portugal |
| 87 | Herman Rosa | 14 | Son | — | California |
| 88 | Albert Rosa | 12 | Son | — | California |
| 89 | Alma Rosa | 10 | Son | — | California |
| 90 | Zelma De Pont | 16 | Daughter | Waitress | California |
| 91 | John A. Morris | 63 | Head | Farmer | Portugal |
| 92 | Minnie Morris | 53 | Wife | — | Portugal |
| 93 | John E. Morris | 26 | Son | Labourer | California |
| 94 | William T. Morris | 22 | Son | Labourer | California |
| 95 | Manuel Costa | 40 | Head | Farmer | Portugal |
| 96 | Mary R. Costa | 36 | Wife | — | California |
| 97 | Manuel Costa | 18 | Son | Labourer | California |
| 98 | Adeline Costa | 17 | Daughter | Labourer | California |
| 99 | Florence Costa | 15 | Daughter | — | California |
| 100 | Caroline Costa | 14 | Daughter | — | California |
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)