JP
John Perry — 1930 US Census Record
Model Tree available1930 United States Federal Census · Alameda, California
Our Model Tree links this John Perry across the 1910, 1920 and 1930 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents John & Mary — first a son (b.~1908), then head of a 6-person household.
Age 22
b. ~1908
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Perry |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Laborer |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Laborer |
| Township / Ward | Oakland City |
| Est. Birth Year | ~1908 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Alice Perry | Daughter | — | 16 | ~1914 |
| Mildred Perry | Daughter | — | 12 | ~1918 |
| Beatrice Perry | Daughter | — | 18 | ~1912 |
| John Perry | Head | — | 42 | ~1888 |
| John Perry | Son | — | 22 | ~1908 |
| Mary Perry | Spouse | — | 40 | ~1890 |
Census Appearances
1910
Alameda, California
Son, age 2
Alameda, California · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Port Portuguese |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Alameda, California
Son, age 13
Alameda, California · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 22
Alameda, California · implied b. ~1908 — 6 household members
| Surname | Perry |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Laborer |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 John Perry across 3 US Census years (1910, 1920 and 1930) in Alameda, California, using XGBoost record linkage. Identified parents: father John Perry (~0.92 confidence) and mother Mary Perry (~0.92 confidence) and father Roy Perry (~0.92 confidence) and mother Gertrude Perry (~0.92 confidence) and father John Perry (~0.92 confidence) and mother Mary Perry (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Perry
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Mary Perry
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Roy Perry
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Gertrude Perry
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
John Perry
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mary Perry
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Perry
Son · 1930 · age 22 · b. ~1908 · California
★ You are viewing this record
Sibling
Alice Perry
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Perry
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Perry
Sibling · 1930 · age 18
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 — Alameda, California
Open full size
1930 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1930:acpl_california_08_reel08:0915)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma Pacheco | 56 | Head | — | Portugal |
| 52 | Gloria Pacheco | 24 | Daughter | Saleslady | California |
| 53 | Louis Pacheco | 24 | Son | Laborer | California |
| 54 | Margaret Pacheco | 21 | Daughter | — | California |
| 55 | John Pacheco | 19 | Son | Laborer | California |
| 56 | Margaret Guido | 52 | Head | — | Portugal |
| 57 | Ralph Guido | 22 | Son | Sheet Metal Worker | California |
| 58 | Frank Guido | 17 | Son | Laborer | California |
| 59 | Mary Guido | 15 | Daughter | — | California |
| 60 | William Spilman | 62 | Head | Gardener | California |
| 61 | Mary Spilman | 57 | Wife | — | California |
| 62 | William Jr. Spilman | 22 | Son | — | California |
| 63 | Margaret Spilman | 18 | Daughter | — | California |
| 64 | John Perry | 42 | Head | Laborer | California |
| 65 | Mary Perry | 40 | Wife | — | California |
| 66 | John Jr. Perry THIS PERSON | 22 | Son | Laborer | California |
| 67 | Beatrice Perry | 18 | Daughter | Laborer | California |
| 68 | Alice Perry | 16 | Daughter | — | California |
| 69 | Mildred Perry | 12 | Daughter | — | California |
| 70 | Manuel Silveira | 44 | Head | — | Portugal |
| 71 | Mary Silveira | 42 | Wife | — | Portugal |
| 72 | Mary Silveira | 18 | Daughter | — | California |
| 73 | Edward Hughes | 27 | Head | Laborer | Wales |
| 74 | Myrtle Hughes | 27 | Wife | — | California |
| 75 | Barbara Hughes | 2 | Daughter | — | California |
| 76 | Edward Jr. Hughes | 1 | Son | — | California |
| 77 | Doris Hughes | 0 | Daughter | — | California |
| 78 | Doris Hughes | 18 | Sister | — | Wales |
| 79 | Manuel Santos | 42 | Head | Laborer | Portugal |
| 80 | Mary Santos | 40 | Wife | — | Portugal |
| 81 | Annie Santos | 18 | Daughter | — | California |
| 82 | John Santos | 16 | Son | — | California |
| 83 | Thomas Santos | 14 | Son | — | California |
| 84 | Emma Santos | 12 | Daughter | — | California |
| 85 | Florence Santos | 10 | Daughter | — | California |
| 86 | George Santos | 8 | Son | — | California |
| 87 | David Mckinney | 30 | Head | Laborer | South Carolina |
| 88 | Nellie Mckinney | 28 | Wife | — | South Carolina |
| 89 | Violetta Mckinney | 7 | Daughter | — | South Carolina |
| 90 | David Jr. Mckinney | 5 | Son | — | South Carolina |
| 91 | Theodore Waters | 29 | Lodger | Laborer | South Carolina |
| 92 | John Cosmo | 54 | Head | Laborer | Portugal |
| 93 | Marie Cosmo | 53 | Wife | — | Portugal |
| 94 | Marie Cosmo | 20 | Daughter | Laborer | California |
| 95 | Alice Cosmo | 15 | Daughter | — | California |
| 96 | Helen Cosmo | 14 | Granddaughter | — | California |
| 97 | Mildred Cosmo | 10 | Granddaughter | — | California |
| 98 | Frank Silva | 20 | Head | Laborer | California |
| 99 | Isabel Silva | 18 | Wife | — | California |
| 100 | Frank Jr. Silva | 0 | Son | — | California |
Pedigree Summary
John + 3 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)