JM
John Mccarty — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Francisco, California
Our Model Tree links this John Mccarty across the 1920, 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1913), then head of a 3-person household.
Age 17
b. ~1913
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | McCarty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1913 |
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 |
|---|---|---|---|---|
| Jane Mccarty | Head | — | 51 | ~1879 |
| Isabell Mccarty | Other | — | 40 | ~1890 |
| John Mccarty | Son | — | 17 | ~1913 |
Census Appearances
Son, age 7
San Francisco, California · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 17
San Francisco, California · implied b. ~1913 — 3 household members
| Surname | McCarty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 27
San-Francisco-County, California · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Carthy |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Grocery Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 298 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| 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 Mccarty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mccarthy (~0.92 confidence) and father John Mc Carthy (~0.92 confidence) and mother Jane Mccarty (~0.92 confidence) and mother Isabell Mc Carthy (~0.92 confidence) and mother Isabelle Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mccarthy
b. ~1876
Source father
● Household
· direct · ~0.92
Father
John Mc Carthy
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Jane Mccarty
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Isabell Mc Carthy
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Isabelle Mccarthy
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mccarty
Son · 1930 · age 17 · b. ~1913 · 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
50 people indexed on this census page (ia:1930:californiacensus00reel199:0005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gail Alvarez | 44 | Wife | — | Wisconsin |
| 2 | Annie Donnelly | 51 | Head | Frame Maker | California |
| 3 | Jane F Mccarty | 51 | Head | Book Binder | California |
| 4 | Isabell Mccarty | 40 | Sister | — | California |
| 5 | John Mccarty THIS PERSON | 17 | Son | — | California |
| 6 | Walter W Haiden | 39 | Head | Electrician | California |
| 7 | Annette Haiden | 30 | Wife | — | New Hampshire |
| 8 | William Rose | 56 | Head | Signal Dept | Massachusetts |
| 9 | Josephine Rose | 54 | Wife | — | Massachusetts |
| 10 | Joseph F Dunn | 44 | Head | Fireman | California |
| 11 | Elizabeth Dunn | 44 | Wife | — | California |
| 12 | George M Dick | 61 | Head | Electrician | California |
| 13 | Annie J Dick | 53 | Wife | — | California |
| 14 | Margaret Shanahan | 52 | Head | Machine Operator | California |
| 15 | Eleanor Shanahan | 55 | Sister | Glass Maker | California |
| 16 | Peter Corentis | 44 | Lodger | Waiter | Greece |
| 17 | Thomas Miller | 63 | Head | Carpenter | Kentucky |
| 18 | Lucinda Miller | 59 | Wife | — | Kentucky |
| 19 | Mina M Smith | 50 | Lodger | Tailor | California |
| 20 | Maria Drum | 58 | Head | Tailor | Germany |
| 21 | Bertha Drum | 51 | Wife | — | California |
| 22 | Bernard Drum | 27 | Son | Deliveryman | California |
| 23 | Harold Drum | 21 | Son | Office | California |
| 24 | Delores Drum | 15 | Daughter | — | California |
| 25 | John Emanuel | 45 | Head | Janitor | Porto Rico |
| 26 | Irene Emanuel | 45 | Wife | — | Porto Rico |
| 27 | Esperanza Morales | 56 | Boarder | — | Porto Rico |
| 28 | Mildred Carlson | 36 | Daughter | — | California |
| 29 | Edward Carlson | 6 | Son | — | California |
| 30 | Joe R Plundell | 45 | Head | Driver | California |
| 31 | Alice L Plundell | 46 | Wife | — | California |
| 32 | Edward H Plundell | 16 | Son | — | California |
| 33 | Robt J Plundell | 13 | Son | — | California |
| 34 | Amelia L Plundell | 8 | Daughter | — | California |
| 35 | Frank Turner | 44 | Boarder | Driver | California |
| 36 | Robert B St Clair | 22 | Boarder | Printer | California |
| 37 | Agnes M St Clair | 2 | Daughter | — | California |
| 38 | Zachary St Clair | 0 | Son | — | California |
| 39 | Solomon Sachtman | 55 | Head | Carpenter | Russia |
| 40 | Anna Sachtman | 50 | Wife | — | Russia |
| 41 | Joseph Sachtman | 23 | Son | Clerk | Russia |
| 42 | Dora Sachtman | 20 | Daughter | Clerk | Russia |
| 43 | Nathan Sachtman | 19 | Son | Clerk | Russia |
| 44 | Richard O Rainville | 39 | Head | Helper | Vermont |
| 45 | Helen Rainville | 34 | Wife | — | Nebraska |
| 46 | Richard Jr Rainville | 7 | Son | — | California |
| 47 | Caroline Rainville | 13 | Daughter | — | California |
| 48 | Harry Goldman | 40 | Head | Plumber | Poland |
| 49 | Gertrude Goldman | 36 | Wife | — | Poland |
| 50 | Thelma Wilson | 19 | Head | Helper | California |
Related Census Records
Pedigree Summary
John
Gen 1 · 5 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)