FS
Frank Shaw — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Luis-Obispo-County, California
Our Model Tree links this Frank Shaw across the 1910, 1920, 1930 and 1940 US Censuses in San-Luis-Obispo-County, California (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Luis-Obispo-County, California |
| Surname | Shaw |
| Given Name | Frank J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Luis Obispo |
| 1935 Residence (County) | San Luis Obispo |
| Additional Details | |
| Occupation | engineer |
| Industry | railroad |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 322 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Engineer |
| Township / Ward | San Luis Obispo |
| Est. Birth Year | ~1884 |
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 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Anna Shaw | Spouse | — | 47 | ~1893 |
| Frank Shaw | Head | — | 56 | ~1884 |
| Frank Shaw | Son | — | 25 | ~1915 |
Census Appearances
1910
San Luis …
Son, age 26
San Luis Obispo, California · implied b. ~1884 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | Frank J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Engineer |
| Industry | Rail Road |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Luis …
Head, age 36
San Luis Obispo, California · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | Frank J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Engineer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Luis …
Head, age 46
San Luis Obispo, California · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | Frank J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 26 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Locomotive Engineer |
| Industry | Steam Rail Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Luis-Obispo-County, California
Head, age 56
San-Luis-Obispo-County, California · implied b. ~1884 — 3 household members
| Surname | Shaw |
| Given Name | Frank J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Luis Obispo |
| 1935 Residence (County) | San Luis Obispo |
| Occupation | engineer |
| Industry | railroad |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 322 |
| Highest Grade | No 8 |
| 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 Frank Shaw across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Shaw (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Shaw
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Shaw
Head · 1940 · age 56 · b. ~1884 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — San-Luis-Obispo-County, California
Open full size
1940 US Federal Census — San-Luis-Obispo-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00328-00755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edythe Filipponi | 52 | Head | Music Teacher | California |
| 42 | Esther Filipponi | 49 | Sister | — | California |
| 43 | Herbert Dunlap | 35 | Lodger | Music Teacher | Missouri |
| 44 | Mary Elizabeth Pedroni | 66 | Head | — | Switzerland |
| 45 | John Pedroni | 25 | Son | Chainman | California |
| 46 | Americo Ramonetti | 43 | Head | Attendant | California |
| 47 | Doris Ramonetti | 40 | Wife | Caretaker | California |
| 48 | R. P. Rasborough | 42 | Head | Pipe Liner | Canada |
| 49 | Leah M. Rasborough | 44 | Wife | — | California |
| 50 | Margaret Rasborough | 15 | Daughter | — | California |
| 51 | Robert Rasborough | 14 | Son | — | California |
| 52 | John B. Herbert | 67 | Head | — | Minnesota |
| 53 | Ella Herbert | 65 | Wife | — | Indiana |
| 54 | Malcolm Herbert | 23 | Son | — | California |
| 55 | Meis Helen Wood | 50 | Head | Teacher | Missouri |
| 56 | William Hollister | 55 | Head | Treasurer | California |
| 57 | Nellie Hollister | 49 | Wife | — | California |
| 58 | John Hollister | 24 | Son | — | California |
| 59 | M. D. Pruitt | 67 | Head | Teacher | Wisconsin |
| 60 | Grace Pruitt | 70 | Wife | — | Wisconsin |
| 61 | Martha Anders | 57 | Head | Seamstress | Iowa |
| 62 | Frank J. Shaw THIS PERSON | 56 | Head | Engineer | California |
| 63 | Anna Shaw | 47 | Wife | — | California |
| 64 | Frank Shaw | 25 | Son | Teacher | California |
| 65 | Delbert Welcom | 58 | Head | Yard Master | Wisconsin |
| 66 | Inez Welcom | 54 | Wife | — | Wisconsin |
| 67 | James W. Murphy | 49 | Head | Printer | California |
| 68 | Ethel Watson | 42 | Housekeeper | Housekeeper | California |
| 69 | Douglas Lundgren | 37 | Head | Bill Poster | California |
| 70 | Neta Lundgren | 33 | Wife | — | Oklahoma |
| 71 | Robert Lundgren | 12 | Son | — | California |
| 72 | — | None | — | — | — |
| 73 | Jarrett Johnston | 55 | Head | Dental Technician | Kansas |
| 74 | Corrine Johnston | 48 | Wife | Music Teacher | California |
| 75 | James Crabbe | 35 | Head | Locomotive Engineer | California |
| 76 | Adeline Crabbe | 36 | Wife | — | Pennsylvania |
| 77 | Betty R. Crabbe | 17 | Daughter | — | California |
| 78 | William Adams | 59 | Head | Conductor | Oregon |
| 79 | Minnie Adams | 53 | Wife | — | California |
| 80 | Pat Roach | 37 | Head | Salesman | Colorado |
Pedigree Summary
Frank
Gen 1 · 1 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)