GM
George Martin — 1920 US Census Record
Model Tree available1920 United States Federal Census · San Luis Obispo, California
Our Model Tree links this George Martin across the 1900, 1910 and 1920 US Censuses in San Luis Obispo, California (XGBoost, ~Confirmed), with identified parents Samuel & James — first a son (b.~1899), then head of a 7-person household.
Age 21
b. ~1899
Male
Son
Born: California
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | San Luis Obispo, California |
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Washington |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Avila Precinct |
| Est. Birth Year | ~1899 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Alice Martin | Daughter | — | 23 | ~1897 |
| Samuel Martin | Head | — | 53 | ~1867 |
| Ernest Martin | Son | — | 14 | ~1906 |
| Perry Martin | Son | — | 16 | ~1904 |
| Claude Martin | Son | — | 18 | ~1902 |
| George Martin | Son | — | 21 | ~1899 |
| Martha Martin | Spouse | — | 43 | ~1877 |
Census Appearances
1900
San Luis …
Son, age 2
San Luis Obispo, California · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Birth Month | July |
| Birth Year | 1898 |
| Father's Birthplace | Washington |
| Mother's Birthplace | Missouri |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1910
San Luis …
Son, age 11
San Luis Obispo, California · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Washington |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Luis …
Son, age 21
San Luis Obispo, California · implied b. ~1899 — 7 household members
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| 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 |
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 George Martin across 3 US Census years (1900, 1910 and 1920) in San Luis Obispo, California, using XGBoost record linkage. Identified parents: father Samuel Martin (~0.92 confidence) and father James Martin (~0.92 confidence) and mother Nellie Martin (~0.92 confidence) and mother Martha Martin (~0.92 confidence) and mother Martha Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Martin
b. ~1867
Source father
● Household
· direct · ~0.92
Father
James Martin
b. ~1866
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
Mother
Martha Martin
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Martin
Son · 1920 · age 21 · b. ~1899 · California
★ You are viewing this record
Sibling
Ernest Martin
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Perry Martin
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claude Martin
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Martin
Sibling · 1920 · age 23
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
1920 US Federal Census — San Luis Obispo, California
Open full size
1920 US Federal Census — San Luis Obispo, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu144unit:0625)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Samuel Martin | 53 | Head | — | Washington |
| 52 | Martha A Martin | 43 | Wife | — | Missouri |
| 53 | Alice Martin | 23 | Daughter | — | California |
| 54 | George Martin THIS PERSON | 21 | Son | — | California |
| 55 | Claude Martin | 18 | Son | — | California |
| 56 | Perry Martin | 16 | Son | — | California |
| 57 | Ernest Martin | 14 | Son | — | California |
| 58 | Al Edwards | 46 | Head | Laborer | Iowa |
| 59 | Al Moore | 51 | Head | Trucking | Illinois |
| 60 | Elsie Moore | 22 | Wife | — | Arizona |
| 61 | Chas A Talle | 39 | Head | Laborer | California |
| 62 | Lena S Talle | 32 | Wife | — | California |
| 63 | Raymond Talle | 11 | Son | — | California |
| 64 | Arthur Talle | 3 | Son | — | California |
| 65 | Dorothy Maddox | 14 | Step Daughter | — | California |
| 66 | Bernard Maddox | 12 | Step Son | — | California |
| 67 | Josephine Maddox | 10 | Step Daughter | — | California |
| 68 | Howard Burleigh | 27 | Head | Carpenter | California |
| 69 | Amy M Burleigh | 27 | Wife | — | California |
| 70 | Chester Burleigh | 7 | Son | — | California |
| 71 | Edward Burleigh | 3 | Son | — | California |
| 72 | Robert Pauter | 38 | Head | Laborer | Missouri |
| 73 | Sophia Pauter | 37 | Wife | — | Wisconsin |
| 74 | Elsa Pauter | 10 | Daughter | — | California |
| 75 | Freda Pauter | 6 | Daughter | — | California |
| 76 | Edwin Pauter | 4 | Son | — | California |
| 77 | Myrtle Pauter | 1 | Daughter | — | California |
| 78 | Vernon Defarr | 30 | Head | Laborer | Nebraska |
| 79 | Maude Defarr | 43 | Wife | — | California |
| 80 | James Defarr | 8 | Son | — | California |
| 81 | Paul H Gomez | 28 | Head | Laborer | California |
| 82 | Robert Gomez | 7 | Son | — | California |
| 83 | Anna Gomez | 6 | Daughter | — | California |
| 84 | Vincent Gomez | 27 | Brother | Laborer | California |
| 85 | Emily Abraham | 52 | Housekeeper | Housekeeper | California |
| 86 | Joseph Sears | 40 | Head | Fisherman | Azores |
| 87 | Paul H Roach | 45 | Head | Fisherman | Portugal |
| 88 | Anthony S Ruda | 32 | Head | Laborer | California |
| 89 | Laura C Ruda | 28 | Wife | — | Canada |
| 90 | Edwin Ruda | 5 | Son | — | California |
| 91 | Geo Plunkett | 26 | Head | Laborer | California |
| 92 | Florence Plunkett | 23 | Wife | — | Michigan |
| 93 | Walter Plunkett | 3 | Son | — | California |
| 94 | Harvey Plunkett | 1 | Son | — | California |
| 95 | Nels Jensen | 38 | Head | Laborer | Denmark |
| 96 | Ollie Jensen | 31 | Wife | — | California |
| 97 | Vivian Jensen | 9 | Daughter | — | California |
| 98 | Raymond Jensen | 5 | Son | — | California |
| 99 | Chas S Caldwell | 31 | Head | Laborer | Canada |
| 100 | Ernest Shepard | 20 | Head | Laborer | Iowa |
Related Census Records
Pedigree Summary
George + 4 siblings
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 1920 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)