RH
Robert Higgins — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Robert Higgins across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Higgins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Edward Higgins | Head | — | 49 | ~1891 |
| Robert Higgins | Son | — | 22 | ~1918 |
| Jane Higgins | Daughter | — | 20 | ~1920 |
| Madeline Higgins | Spouse | — | 42 | ~1898 |
Census Appearances
1920
San Francisco, …
Son, age 1
San Francisco, California · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Higgins |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | New York |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 12
San Francisco, California · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Higgins |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | New York |
| 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 22
San-Francisco-County, California · implied b. ~1918 — 4 household members
| Surname | Higgins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Class of Worker | 0 |
| Highest Grade | C 3 |
| 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 Higgins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Higgins (~0.92 confidence) and father Edward Higgins (~0.92 confidence) and mother Madeline Higgins (~0.92 confidence) and mother Madeline Higgins (~0.92 confidence) and mother Mildred Higgins (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Higgins
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Edward Higgins
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Madeline Higgins
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Madeline Higgins
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Mildred Higgins
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Higgins
Son · 1940 · age 22 · b. ~1918 · California
★ You are viewing this record
Sibling
Jane Higgins
Sibling · 1940 · age 20
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
38 people indexed on this census page (nara:1940:m-t0627-00312-00790)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James W. Shanahan | 57 | Head | — | California |
| 42 | Helen Shanahan | 56 | Wife | — | New York |
| 43 | Herman Lincoln | 65 | Head | Own Store | Wisconsin |
| 44 | Nettie Lincoln | 61 | Wife | — | Madera Island |
| 45 | Alice Diggs | 64 | Head | School Teacher | Washington |
| 47 | Israel Criusberg | 57 | Head | Own Shop Shoemaker | Russia |
| 48 | Annie Criusberg | 57 | Wife | — | Russia |
| 49 | Cassie Collins | 50 | Head | — | California |
| 50 | Christopher Collins | 58 | Brother | Floral Gardner | California |
| 51 | Mary Collins | 46 | Sister | — | California |
| 52 | Joseph Collins | 39 | Brother | Sexton | California |
| 53 | Margaret Doolan | 59 | Sister | — | California |
| 54 | Carl Stange | 66 | Head | — | Germany |
| 55 | Elizabeth Stange | 64 | Wife | — | California |
| 57 | Edward Higgins | 49 | Head | Building Engineer | New York |
| 58 | Madeline Higgins | 42 | Wife | — | California |
| 59 | Robert Higgins THIS PERSON | 22 | Son | — | California |
| 60 | Jane Higgins | 20 | Daughter | Cashier | California |
| 61 | Thomas Olmo | 40 | Head | Own Business Drayman | California |
| 62 | Doris Olmo | 35 | Wife | — | California |
| 63 | M. Thomas Olmo | 4 | Son | — | California |
| 64 | Barbara Olmo | 8 | Daughter | — | California |
| 65 | Richard Barthwick | 20 | Son in Law | Service Station Attendant | California |
| 66 | Ada Uhlenberg | 53 | Head | — | California |
| 67 | Verna Uhlenberg | 30 | Daughter | Stenographer | California |
| 68 | Anthony Donofrio | 29 | Lodger | Window Display Man | California |
| 69 | Maurice Peret | 30 | Lodger | Floral Gardner | France |
| 70 | Marcelle Peret | 3 | Lodger | — | California |
| 71 | Joseph Bauer | 47 | Head | Milk Driver | Germany |
| 72 | Theresa Bauer | 35 | Wife | — | Germany |
| 73 | Pauline Bauer | 17 | Daughter | — | California |
| 74 | Joseph Bauer | 16 | Son | — | California |
| 75 | Johanna Bauer | 13 | Daughter | — | Germany |
| 76 | Carl Bauer | 10 | Son | — | California |
| 77 | Rosemarie Bauer | 8 | Daughter | — | California |
| 78 | Gertrude Moore | 62 | Head | — | California |
| 79 | Gerald Pickle | 37 | Son | Business Manager | California |
| 80 | Jean Saxon | 8 | Grand Daughter | — | California |
Pedigree Summary
Robert + 1 sibling
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 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)