JD
John Doyle — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this John Doyle across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1910), then head of a 3-person household.
Age 20
b. ~1910
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Doyle |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Clerk |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Gerald Doyle | Head | — | 22 | ~1908 |
| Mark Chew | Other | — | 60 | ~1870 |
| John Doyle | Son | — | 20 | ~1910 |
Census Appearances
1910
San Francisco, …
Son, age
San Francisco, California · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doyle |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 9
San Francisco, California · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doyle |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 20
San Francisco, California · implied b. ~1910 — 3 household members
| Surname | Doyle |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Irish Free State |
| Occupation | Clerk |
| Industry | Bank |
| 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 Doyle across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father John Doyle (~0.92 confidence) and father John Doyle (~0.54 confidence) and father John Doyle (~0.92 confidence) and father John Doyle (~0.54 confidence) and mother Margaret Doyle (~0.54 confidence) and mother Margaret Doyle (~0.54 confidence) and mother Margaret Doyle (~0.92 confidence) and mother Margaret Doyle (~0.54 confidence) and mother Margaret Doyle (~0.92 confidence) and father Gerald Doyle (~0.60 confidence). The pedigree spans 2 generations with 10 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.7
Father
John Doyle
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Doyle
b. ~1871
Source father>father
● Household
· direct · ~0.54
Father
John Doyle
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Doyle
b. ~1872
Source father>father
● Household
· direct · ~0.54
Mother
Margaret Doyle
b. ~1873
Source father>mother
● Household
· direct · ~0.54
Mother
Margaret Doyle
b. ~1878
Source father>mother
● Household
· direct · ~0.54
Mother
Margaret Doyle
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Margaret Doyle
b. ~1885
Source father>mother
● Household
· direct · ~0.54
Mother
Margaret Doyle
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Gerald Doyle
b. ~1908
Source father
● Household
· direct · ~0.6
This person
Anchor record
John Doyle
Son · 1930 · age 20 · b. ~1910 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
40 people indexed on this census page (ia:1930:californiacensus00reel203:0567)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Gordon | 58 | Boarder | Operator | Russia |
| 2 | Isaac Marshall | 42 | Head | Accountant | New York |
| 3 | Edna Marshall | 13 | Son | — | Washington |
| 4 | Hannah Marshall | 68 | Mother | — | Russia |
| 5 | Herman Marshall | 70 | Brother | — | Russia |
| 6 | Jane Marshall | 25 | Sister | Stenographer | Arkansas |
| 7 | Victor J. Lemoge | 45 | Head | Contractor | California |
| 8 | Annie Lemoge | 42 | Wife | — | California |
| 9 | Clara Lemoge | 19 | Daughter | — | California |
| 10 | Ronald Lemoge | 17 | Son | — | California |
| 11 | Charles Knoll | 43 | Head | Manager | California |
| 12 | Helen Knoll | 35 | Wife | — | Wisconsin |
| 13 | Henry Schuer | 43 | Head | Machinist | California |
| 14 | Minna O'Boyle | 72 | Mother | — | Germany |
| 15 | Alfred F. Stone | 52 | Head | Salesman | Washington |
| 16 | Hattie M. Stone | 43 | Wife | — | Nebraska |
| 17 | Earl D. Toughee | 34 | Brother-Law | Salesman | California |
| 18 | Mayme M. Toughee | 39 | Sister-Law | — | Washington |
| 19 | Frank M. Ratto | 31 | Head | Vault Man | California |
| 20 | Gertrude Ratto | 31 | Wife | — | California |
| 21 | Frank Jr. Ratto | 4 | Son | — | California |
| 22 | Leroy Ratto | 2 | Son | — | California |
| 23 | Luigi Varacchi | 55 | Head | Janitor | Italy |
| 24 | Lillian Varacchi | 43 | Wife | — | California |
| 25 | Norma Varacchi | 26 | Daughter | Clerk | California |
| 26 | May Varacchi | 25 | Daughter | Stenographer | California |
| 27 | Victor Shanney | 51 | Head | Proprietor | Poland |
| 28 | Elsie Shanney | 51 | Wife | — | Norway |
| 29 | Helen Peterson | 80 | Mother-Law | — | Norway |
| 30 | Gerald G. Doyle | 22 | Head | — | California |
| 31 | John Doyle THIS PERSON | 20 | Son | Clerk | California |
| 32 | Mark E. Chew | 60 | Boarder | Plumber | Pennsylvania |
| 33 | Grace Gillespie | 33 | Head | — | California |
| 34 | Grace C. Gillespie | 7 | Daughter | — | California |
| 35 | Jack Gillespie | 6 | Son | — | California |
| 36 | Frances Gillespie | 4 | Daughter | — | California |
| 37 | Nina B. Chase | 47 | Mother | — | California |
| 38 | Minna Chase | 19 | Sister | Engine Turner | California |
| 39 | Grace O'Flanagan | 20 | Sister | Secretary | California |
| 41 | Fred Jones | 52 | Head | Real Estate | California |
Pedigree Summary
John
Gen 1 · 5 parents
~0.86
Gen 2 · 5 grandparents
~0.54
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)