RM
Robert Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Robert Mccarthy across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Frank & Agnes — first a son (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Clerk |
| Industry | City of San Francisco |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Clerk |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Alex Mccarthy | Son | — | 31 | ~1909 |
| Johanna Mccarthy | Spouse | — | 57 | ~1883 |
| Walter Mccarthy | Son | — | 24 | ~1916 |
| Robert Mccarthy | Son | — | 29 | ~1911 |
| Frank Mccarthy | Head | — | 59 | ~1881 |
Census Appearances
1920
San Francisco, …
Son, age 10
San Francisco, California · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
San Francisco, …
Son, age 20
San Francisco, California · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Clerk |
| Industry | Furniture Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 29
San-Francisco-County, California · implied b. ~1911 — 5 household members
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Clerk |
| Industry | City of San Francisco |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 Robert Mccarthy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Mccarthy (~0.92 confidence) and mother Agnes Mccarthy (~0.92 confidence) and mother Hannah Mccarthy (~0.92 confidence) and mother Johanna Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Mccarthy
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Agnes Mccarthy
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Hannah Mccarthy
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Johanna Mccarthy
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Mccarthy
Son · 1940 · age 29 · b. ~1911 · California
★ You are viewing this record
Sibling
Alex Mccarthy
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Mccarthy
Sibling · 1940 · age 24
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 — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00314-00455)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Moore | 22 | Wife | Nurse | Washington |
| 42 | Louis Quilici | 37 | Head | Upholsterer | California |
| 43 | Renee Quilici | 30 | Wife | — | California |
| 44 | Frank Becker | 68 | Head | Salesman | Germany |
| 45 | Elizabeth Becker | 74 | Wife | — | Germany |
| 46 | Else Bulger | 39 | Lodger | Cook | Illinois |
| 47 | Marion Bulger | 6 | Lodger | — | California |
| 48 | Michael J Mckee | 59 | Head | Doctor | Ireland |
| 49 | Rita Mcnerney | 45 | Sister-in-law | Nurse | Ireland |
| 50 | Frank A Mccarthy | 59 | Head | Agent | California |
| 51 | Johanna Mccarthy | 57 | Wife | — | California |
| 52 | Alex Mccarthy | 31 | Son | Clerk | California |
| 53 | Robert Mccarthy THIS PERSON | 29 | Son | Clerk | California |
| 54 | Walter Mccarthy | 24 | Son | Accountant | California |
| 55 | Catherine Hayes | 49 | Head | Bookkeeper | California |
| 56 | Mary Lamburth | 61 | Sister | Sewing Machine Operator | California |
| 57 | Hazel Coanley | 32 | Lodger | Insurance Clerk | California |
| 58 | Giannina Fortino | 33 | Head | Machine Operator | California |
| 59 | Daniel Rossetto | 40 | Lodger | Machinist | New Jersey |
| 60 | Maril Angelesco | 25 | Lodger | Baker | California |
| 61 | David Angelesco | 26 | Lodger | Machine Operator | California |
| 62 | Juanita Ferre | 21 | Lodger | P.B.X. Operator | California |
| 63 | Mary Evans | 67 | Head | — | Utah |
| 64 | Lester W Evans | 36 | Son | Mechanic | Idaho |
| 65 | Edward Evans | 30 | Son | Laborer | Idaho |
| 66 | Amos Evans | 28 | Son | Laborer | Idaho |
| 67 | Edna Evans | 24 | Daughter-in-law | — | Utah |
| 68 | Glenn H White | 49 | Head | Motorman | Oregon |
| 69 | Elsie E White | 46 | Wife | Housekeeper | Oregon |
| 70 | Vivian S White | 29 | Daughter | Maid | California |
| 71 | P. S. Delmer | 22 | Son | Clerk | Oregon |
| 72 | Everett E Roamer | 50 | Lodger | Druggist | California |
| 73 | Katherine Maroon | 49 | Lodger | Maid | California |
| 74 | Etta Norman | 69 | Head | — | Illinois |
| 75 | Earl Mayfield | 27 | Head | Mechanic | Utah |
| 76 | Marjorie Mayfield | 25 | Wife | — | Utah |
| 77 | Leonard S Hatter | 20 | Head | Painter | Texas |
| 78 | Juanita Hatter | 21 | Wife | — | Missouri |
| 79 | Bruce W Smiley | 30 | Head | Clerk | California |
| 80 | Bonnie M Smiley | 19 | Wife | — | Illinois |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)