RW
Robert Walsh — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Robert Walsh across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Frank & William — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Walsh |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Social Worker |
| Industry | State S.R.A. |
| Class of Worker | GW |
| Hours Worked | 5 |
| Income (1939) | 1500 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Social Worker |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| Margaret Walsh | Spouse | — | 57 | ~1883 |
| Lawrence Walsh | Son | — | 22 | ~1918 |
| William Walsh | Head | — | 67 | ~1873 |
| Robert Walsh | Son | — | 28 | ~1912 |
Census Appearances
1920
Los Angeles, …
Son, age 7
Los Angeles, California · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Los Angeles, …
Son, age 17
Los Angeles, California · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Robert D. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 28
Los-Angeles-County, California · implied b. ~1912 — 4 household members
| Surname | Walsh |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Social Worker |
| Industry | State S.R.A. |
| Class of Worker | GW |
| Hours Worked | 5 |
| Income (1939) | 1500 |
| Highest Grade | No 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 Walsh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Welsh (~0.92 confidence) and father William Walsh (~0.92 confidence) and mother Katherine Welsh (~0.92 confidence) and mother Margaret Walsh (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Welsh
b. ~1881
Source father
● Household
· direct · ~0.92
Father
William Walsh
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Katherine Welsh
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Margaret Walsh
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Walsh
Son · 1940 · age 28 · b. ~1912 · California
★ You are viewing this record
Sibling
Lawrence Walsh
Sibling · 1940 · age 22
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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00423-00217)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Huffman | 63 | Wife | — | Pennsylvania |
| 2 | Kenneth Bone | 34 | Son-in-law | Press Room Checker | Mexico |
| 3 | Gertrude Bone | 33 | Daughter | — | California |
| 4 | Sally Bone | 9 | Grandchild | — | California |
| 5 | Judith Bone | 0 | Grandchild | — | Washington |
| 6 | Harold Newton | 38 | Head | Traffic Mang. | Kansas |
| 7 | Ione Newton | 33 | Wife | — | Kansas |
| 8 | Mary Newton | 6 | Daughter | — | Missouri |
| 9 | Jennie L. Dayle | 79 | Head | — | Pennsylvania |
| 10 | James H. Lowery | 42 | Head | Baker | Alabama |
| 11 | Clara Lowery | 41 | Wife | — | California |
| 12 | Carol Jean Lowery | 5 | Daughter | — | California |
| 13 | Jimmy Lowery | 2 | Son | — | California |
| 14 | Charles R. Lyons | 57 | Head | Auto Mechanic | Iowa |
| 15 | Anna K. Lyons | 56 | Wife | — | Iowa |
| 17 | William H. Cueran | 51 | Head | Insurance & Bonds | California |
| 18 | Margaret Cueran | 52 | Wife | — | California |
| 19 | Mary Cueran | 24 | Daughter | — | California |
| 20 | Margaret Cueran | 22 | Daughter | — | California |
| 21 | John Cueran | 19 | Son | Newt Worker | California |
| 22 | Vincent Kovacevich | 26 | Head | Truck Driver | Arizona |
| 23 | Katherine Kovacevich | 23 | Wife | — | California |
| 24 | Vincent Kovacevich | 3 | Son | — | California |
| 25 | William J. Walsh | 67 | Head | — | New York |
| 26 | Margaret Walsh | 57 | Wife | — | Nebraska |
| 27 | Robert J. Walsh THIS PERSON | 28 | Son | Social Worker | California |
| 28 | Lawrence E. Walsh | 22 | Son | Checker | California |
| 29 | William Cox | 26 | Head | Meter Reader | California |
| 30 | Theresa Cox | 25 | Wife | — | California |
| 31 | Margaret Kenner | 64 | Head | — | Wisconsin |
| 32 | Hugh Mc Donald | 48 | Head | Foreman | North Dakota |
| 33 | Floy Mc Donald | 46 | Wife | — | Kansas |
| 34 | Lois Mc Donald | 17 | Daughter | — | California |
| 35 | Edna Onsztynski | 73 | Head | — | Holland |
| 37 | James Ray | 62 | Head | Accountant | Canada Eng |
| 38 | May Ray | 54 | Wife | Owner | Canada Eng |
| 39 | Henry C. Hoberg | 66 | Head | — | Missouri |
| 40 | Emma Hoberg | 64 | Wife | — | Missouri |
Related Census Records
Pedigree Summary
Robert + 1 sibling
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)