RM
Ralph Martin — 1910 US Census Record
Model Tree available1910 United States Federal Census · San Francisco, California
Our Model Tree links this Ralph Martin across the 1910, 1920, 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents John & Olga — first a son (b.~1909), then head of a 4-person household.
Age 1
b. ~1909
Male
Son
Born: California
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | San Francisco, California |
| Surname | Martin |
| Given Name | Ralph G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1909 |
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 1910 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Alberta Masten | Other | — | 25 | ~1885 |
| John Martin | Head | — | 39 | ~1871 |
| Olga Martin | Spouse | — | 35 | ~1875 |
| Ralph Martin | Son | — | 1 | ~1909 |
Census Appearances
1910
San Francisco, …
Son, age 1
San Francisco, California · implied b. ~1909 — 4 household members
| Surname | Martin |
| Given Name | Ralph G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 11
San Francisco, California · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martini |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 21
San Francisco, California · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martini |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Clerk |
| Industry | Corporation |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 32
San-Francisco-County, California · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martinez |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Machinist Machine Operator |
| Industry | Mfg Can Co Metal Cans |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| 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 Ralph Martin across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Martin (~0.92 confidence) and mother Olga Martin (~0.92 confidence) and father Ralph Martini (~0.92 confidence) and mother Alice Martini (~0.92 confidence) and mother Marie Martinez (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Olga Martin
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Ralph Martini
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Alice Martini
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Marie Martinez
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Martin
Son · 1910 · age 1 · b. ~1909 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — San Francisco, California
Open full size
1910 US Federal Census — San Francisco, California
Page Contents
31 people indexed on this census page (ia:1910:13thcensus1910po0098unit:0830)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anne Sloane | 2 | Daughter | None | California |
| 2 | John Jr Sloane | 0 | Son | None | California |
| 3 | Henning G Fries | 25 | Head | Policeman | California |
| 4 | Adele F Fries | 24 | Wife | None | California |
| 5 | Earl H Fries | 1 | Son | None | California |
| 6 | George W Peters | 29 | Head | Pattern Maker | California |
| 7 | Lyda Peters | 25 | Wife | None | California |
| 8 | Thomas Dorsey | 36 | Head | Carpenter | California |
| 9 | Katherine Dorsey | 27 | Wife | None | Nevada |
| 10 | Bridget Dorsey | 75 | Mother | None | Ireland |
| 11 | Harry B Lowery | 20 | Boarder | Sorter | California |
| 12 | Otto C Guerard | 41 | Head | Proprietor | Germany |
| 13 | Ottie Guerard | 36 | Wife | None | Germany |
| 14 | Gertie Guerard | 16 | Daughter | None | California |
| 15 | Flora Guerard | 14 | Daughter | None | California |
| 16 | Robert Howe | 78 | Head | None | New York |
| 17 | Alice Howe | 29 | Daughter | Bookkeeper | California |
| 18 | Mary E Higgins | 48 | Daughter | Artist | California |
| 19 | John E Martin | 39 | Head | Clerk | California |
| 20 | Olga G Martin | 35 | Wife | None | California |
| 21 | Ralph G Martin THIS PERSON | 1 | Son | None | California |
| 22 | Alberta Masten | 25 | Sister-in-law | Bill Clerk | California |
| 27 | F Girot | 56 | Head | Bricklayer | Ohio |
| 28 | M. J. Girot | 45 | Wife | None | Pennsylvania |
| 29 | A. J. Girot | 26 | Son | Bricklayer | California |
| 30 | E. B. Girot | 22 | Daughter | None | California |
| 31 | E. L. Girot | 15 | Daughter | None | California |
| 32 | E. A. Girot | 9 | Daughter | None | California |
| 33 | John J O'Meara | 39 | Head | Policeman | New York |
| 34 | Mary E O'Meara | 35 | Wife | None | California |
| 35 | Eugene L O'Meara | 9 | Son | None | California |
Pedigree Summary
Ralph
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 1910 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)