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Francis Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · San Francisco, California
Our Model Tree links this Francis Martin across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a head (b.~1849), then head of a 3-person household.
Age 71
b. ~1849
Male
Head
Born: England
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Martin |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Hatter maker |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Hatter Maker |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1849 |
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 1920 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Emily Martin | Spouse | — | 62 | ~1858 |
| Francis Martin | Head | — | 71 | ~1849 |
| Elva Martin | Daughter | — | 20 | ~1900 |
Census Appearances
1900
San Francisco, …
Head, age 50
San Francisco, California · implied b. ~1850 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | England |
| Birth Month | May |
| Birth Year | 1850 |
| Year of Immigration | 1887 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Machinist |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
1910
San Francisco, …
Head, age 61
San Francisco, California · implied b. ~1849 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martins |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | England |
| Years Married | 35 |
| Year of Immigration | 1880 |
| Naturalization Status | First papers filed |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Manufacturer |
| Industry | Mattress |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1920
San Francisco, …
Head, age 71
San Francisco, California · implied b. ~1849 — 3 household members
| Surname | Martin |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Hatter maker |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Francis Martin across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage.
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This person
Anchor record
Francis Martin
Head · 1920 · age 71 · b. ~1849 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — San Francisco, California
Open full size
1920 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu136unit:0577)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Katharine Fourcade | 12 | Niece | None | Calif |
| 2 | Osborn Reis | 43 | Head | Chauffeur | Sweden |
| 3 | Eugenie Reis | 41 | Wife | None | Switzerland |
| 4 | Marguerite Reis | 15 | Daughter | None | France |
| 5 | Bruce S. Davis | 26 | Head | Mechanic | Illinois |
| 6 | Flora T. Davis | 26 | Wife | None | England |
| 7 | Bruce S. Jr. Davis | 1 | Son | None | Calif |
| 8 | Elizabeth M. Davis | 0 | Daughter | None | Calif |
| 9 | Arnold Kraus | 52 | Head | Musician | Roumania |
| 10 | Margery D. Kraus | 32 | Wife | None | Calif |
| 11 | Arnold Jr. Kraus | 7 | Son | None | Calif |
| 12 | Max Kraus | 3 | Son | None | Calif |
| 13 | James Webster | 34 | Head | Sales Agent | Alabama |
| 14 | Margaret Webster | 37 | Wife | None | Ireland |
| 15 | Cornelius Ortiga | 25 | Head | None | Calif |
| 16 | Hazel Ortiga | 24 | Wife | None | Calif |
| 17 | John Ortiga | 4 | Son | None | Calif |
| 18 | Leonard Ortiga | 2 | Son | None | Calif |
| 19 | Henrietta Ortiga | 0 | Daughter | None | Calif |
| 20 | Frank E. Hoofman | 28 | Head | Labourer | Calif |
| 21 | Marie Hoofman | 22 | Wife | Labourer | Calif |
| 22 | Esther M. Hoofman | 0 | Daughter | None | Calif |
| 23 | L. G. Hoofman | 16 | Cousin | Errand Boy | Calif |
| 24 | Hamilton G. Hoofman | 42 | Uncle | Painter | Calif |
| 25 | Frank S. Watson | 66 | Head | Caretaker | Maine |
| 26 | Augusta Watson | 67 | Wife | None | Sweden |
| 27 | Alex Khodjayan | 42 | Head | Importer | Russia |
| 28 | Francis Martin THIS PERSON | 71 | Head | Hatter Maker | England |
| 29 | Emily Martin | 62 | Wife | None | England |
| 30 | Elva M. Martin | 20 | Daughter | None | Calif |
| 31 | Peter Vannucci | 28 | Head | Salesman | Italy |
| 32 | Mariana Vannucci | 26 | Wife | None | Italy |
| 33 | Harry Locks | 33 | Head | Electrician | Germany |
| 34 | Judith Locks | 33 | Wife | None | Calif |
| 35 | Jose Lytus | 29 | Head | Butler | Manila |
| 36 | N. Paredes | 23 | Roomer | Labourer | Philippine Is. |
| 37 | James Lawson | 62 | Head | Engineer | England |
| 38 | Mary Lawson | 61 | Wife | None | England |
| 39 | Jessie Mason | 43 | Head | Carpenter | Spain |
| 40 | Margaret Mason | 37 | Wife | None | Germany |
| 41 | Elsie Mason | 12 | Daughter | None | California |
| 42 | William Mason | 11 | Son | None | California |
| 43 | Jacomina Di Cario | 65 | Head | None | Italy |
| 44 | Attilio Di Cario | 29 | Son | Fireman | Calif |
| 45 | Armand Di Cario | 25 | Son | Unemployed | Calif |
| 46 | Henry Pitt | 37 | Head | Labourer | Georgia |
| 47 | Martha Pitt | 33 | Wife | None | Philippine Is. |
| 48 | Antonio Puccinelli | 51 | Head | Salesman | Italy |
| 49 | Lucia Puccinelli | 51 | Wife | None | Italy |
| 50 | Evelyn Puccinelli | 20 | Daughter | Operator | Calif |
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)