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Robert Bruce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marin-County, California
Our Model Tree links this Robert Bruce across the 1930 and 1940 US Censuses in Marin-County, California (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marin-County, California |
| Surname | Bruce |
| Given Name | Robert S. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Fairfax |
| 1935 Residence (County) | Marin |
| Additional Details | |
| Occupation | Roofer |
| Industry | Building Contract |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 350 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Roofer |
| Township / Ward | Fairfax |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Bruce | Son | — | 22 | ~1918 |
| George Bruce | Son | — | 11 | ~1929 |
| Aline Bruce | Daughter | — | 15 | ~1925 |
| Robert Bruce | Head | — | 57 | ~1883 |
| Frances Bruce | Daughter | — | 16 | ~1924 |
| Elizabeth Bruce | Daughter | — | 20 | ~1920 |
| Aline Bruce | Spouse | — | 47 | ~1893 |
| Joseph Bruce | Son | — | 13 | ~1927 |
Census Appearances
1930
Marin, California
Son, age 12
Marin, California · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bruce |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Marin-County, California
Son, age 22
Marin-County, California · implied b. ~1918 — 8 household members
| Surname | Bruce |
| Given Name | Robert S. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Fairfax |
| 1935 Residence (County) | Marin |
| Occupation | Roofer |
| Industry | Building Contract |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 350 |
| 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 Robert Bruce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Bruce
Son · 1940 · age 22 · b. ~1918 · California
★ You are viewing this record
Sibling
Elizabeth Bruce
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Bruce
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Bruce
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aline Bruce
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Bruce
Sibling · 1940 · age 13
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 — Marin-County, California
Open full size
1940 US Federal Census — Marin-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00261-00227)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John P. Hicks | 31 | Head | Maintenance | California |
| 2 | Helen A. Hicks | 27 | Wife | — | California |
| 3 | William A. Hicks | 4 | Son | — | California |
| 4 | Helen A. Hicks | 1 | Daughter | — | California |
| 5 | Kenneth B. Hicks | 26 | Head | Police & Fire Dept | California |
| 6 | Edith J. Hicks | 22 | Wife | — | Washington |
| 7 | Raymond R. Buckignani | 44 | Head | Butcher | California |
| 8 | Thelma V. Buckignani | 42 | Wife | Family Helper | California |
| 9 | Gloria F. Buckignani | 20 | Daughter | Clerk | California |
| 10 | Raymond Jr. Buckignani | 19 | Son | Delivery Boy | California |
| 11 | Vincent X. Buckignani | 11 | Son | — | California |
| 12 | Carol Ann Buckignani | 9 | Daughter | — | California |
| 13 | Harriett Neall | 73 | Mother | — | Maine |
| 14 | Anne J. Meyer | 68 | Head | — | California |
| 15 | Lillie O'Brien | 62 | Sister | — | California |
| 16 | Francis J. Brownlow | 45 | Head | Post Plumber | California |
| 17 | Beatrice Margaret Brownlow | 43 | Wife | — | California |
| 18 | Cecelia E. Connell | 70 | Mother | — | Ireland |
| 19 | Robert S. Bruce | 57 | Head | Painter | California |
| 20 | Aline C. Bruce | 47 | Wife | — | California |
| 21 | Robert S. Jr. Bruce THIS PERSON | 22 | Son | Roofer | California |
| 22 | Elizabeth L. Bruce | 20 | Daughter | Housekeeper | California |
| 23 | Frances J. Bruce | 16 | Daughter | — | California |
| 24 | Aline B. Bruce | 15 | Daughter | — | California |
| 25 | Joseph G. Bruce | 13 | Son | — | California |
| 26 | George L. Bruce | 11 | Son | — | California |
| 27 | James C. Young | 62 | Head | Building Superintendent | Minnesota |
| 28 | Grace B. Young | 46 | Wife | — | Washington |
| 29 | John A. Norby | 77 | Head | — | Norway |
| 30 | Mercedes Norby | 64 | Wife | — | California |
| 31 | Helen L. Gilmartin | 41 | Head | — | California |
| 32 | Helen J. Gilmartin | 20 | Daughter | Auditor | California |
| 33 | Jacqueline Gilmartin | 17 | Daughter | — | California |
| 34 | Nancy L. Gilmartin | 15 | Daughter | — | California |
| 35 | James J. Gilmartin | 11 | Son | — | California |
| 36 | Marilyn L. Gilmartin | 7 | Daughter | — | California |
| 37 | John W. Brabson | 66 | Head | Guard | Kentucky |
| 38 | Marguerite Brabson | 51 | Wife | Telephone Operator | California |
| 39 | Florence Brabson | 24 | Daughter | Housekeeper | California |
| 40 | William H. Schrader | 55 | Head | Salesman | Germany |
Related Census Records
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)