EM
Ernest Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Luis-Obispo-County, California
Our Model Tree links this Ernest Martin across the 1910, 1920, 1930 and 1940 US Censuses in San-Luis-Obispo-County, California (XGBoost, ~Confirmed), with identified parents Samuel & Nellie — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Luis-Obispo-County, California |
| Surname | Martin |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Luis Obispo |
| 1935 Residence (County) | San Luis Obispo |
| Additional Details | |
| Occupation | Manager |
| Industry | Drilling Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2160 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Manager |
| Township / Ward | San Luis Obispo |
| Est. Birth Year | ~1906 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Ruth Martin | Spouse | — | 29 | ~1911 |
| Ernest Martin | Head | — | 34 | ~1906 |
| Shirley Martin | Daughter | — | 5 | ~1935 |
Census Appearances
1910
San Luis …
Son, age 4
San Luis Obispo, California · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Earnest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Washington |
| Mother's Birthplace | Missouri |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Luis …
Son, age 14
San Luis Obispo, California · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Washington |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Luis …
Head, age 24
San Luis Obispo, California · implied b. ~1906 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 24 |
| Father's Birthplace | Washington |
| Mother's Birthplace | Missouri |
| Occupation | Bookkeeper |
| Industry | Milling Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Radio Set | R |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Luis-Obispo-County, California
Head, age 34
San-Luis-Obispo-County, California · implied b. ~1906 — 3 household members
| Surname | Martin |
| Given Name | Ernest |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Luis Obispo |
| 1935 Residence (County) | San Luis Obispo |
| Occupation | Manager |
| Industry | Drilling Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2160 |
| Highest Grade | H 3 |
| 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 Ernest Martin across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Martin (~0.92 confidence) and mother Nellie Martin (~0.92 confidence) and mother Martha Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Martin
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Nellie Martin
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Martha Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Martin
Head · 1940 · age 34 · b. ~1906 · 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-t0627-00328-00633)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ethel Arnani | 47 | Wife | Housework | Iowa |
| 42 | Louis Arnani | 13 | Son | — | Illinois |
| 43 | Margaret Arnani | 11 | Daughter | — | California |
| 44 | Joan Arnani | 9 | Daughter | — | California |
| 45 | Charles J. Storni | 57 | Head | Dairyworker | California |
| 46 | Annie E. Storni | 47 | Wife | — | California |
| 47 | Charles Storni | 11 | Son | — | California |
| 48 | — | None | — | — | — |
| 49 | Edna M. Towles | 57 | Head | — | California |
| 50 | Edna Louise Towles | 24 | Daughter | — | California |
| 51 | Hans Ekholm | 37 | Head | Salesman | Sweden |
| 52 | Emma Ekholm | 34 | Wife | — | Kansas |
| 53 | Janell Ekholm | 11 | Daughter | — | Kansas |
| 54 | Marcia Ekholm | 8 | Daughter | — | Kansas |
| 55 | Marilyn Ekholm | 4 | Daughter | — | Kansas |
| 56 | Larry Paul Ekholm | 0 | Son | — | California |
| 57 | Earl W. Henkle | 32 | Head | Operator | Kansas |
| 58 | Alberta Henkle | 30 | Wife | — | Kansas |
| 59 | Harold F. Henkle | 5 | Son | — | California |
| 60 | Marilyn Kay Henkle | 3 | Daughter | — | California |
| 61 | Ira G. Quell | 58 | Head | Painter & Paper Hanger | New York |
| 62 | Edith Quell | 46 | Wife | — | New York |
| 63 | Inami Aman | 50 | Head | Housework | Kentucky |
| 64 | Essie Shields | 61 | Sister | — | Kentucky |
| 65 | Millie Rust | 28 | Niece | Saleslady | Oklahoma |
| 66 | Annette Rust | 4 | Niece | — | Oklahoma |
| 67 | Milo Ugrin | 30 | Head | Office Engineer | Missouri |
| 68 | Edna Ugrin | 22 | Wife | — | California |
| 69 | Nikki Jean Ugrin | 3 | Daughter | — | California |
| 70 | Archie Kinsman | 36 | Head | Carrier | Colorado |
| 71 | Adaline Kinsman | 30 | Wife | — | Louisiana |
| 72 | Richard Kinsman | 8 | Son | — | California |
| 73 | Ronald Kinsman | 3 | Son | — | California |
| 74 | Ray H. Ponce | 26 | Head | Salesman | Texas |
| 75 | Peggy Ponce | 26 | Wife | — | Washington |
| 76 | Ray G. Ponce | 4 | Son | — | California |
| 77 | Ernest Martin THIS PERSON | 34 | Head | Manager | California |
| 78 | Ruth Martin | 29 | Wife | — | Colorado |
| 79 | Shirley Ruth Martin | 5 | Daughter | — | California |
| 80 | Chester B. Rayshel | 38 | Head | Pharmacist | California |
Related Census Records
Pedigree Summary
Ernest
Gen 1 · 3 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)