JI
James Irwin — 1910 US Census Record
Linked across censuses1910 United States Federal Census · San Francisco, California
Our Model Tree links this James Irwin across the 1900 and 1910 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 6-person household.
Age 45
b. ~1865
Male
Head
Born: Canada
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | San Francisco, California |
| Surname | Irwin |
| Given Name | James A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Canada |
| Years Married | 18 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Maine |
| Additional Details | |
| Occupation | Teamster |
| Industry | Spring Valley Water Co |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Occupation | Teamster |
| Township / Ward | City San Francisco Part Of |
| Est. Birth Year | ~1865 |
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.
6 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Delbert Irwin | Son | — | 9 | ~1901 |
| Rena Irwin | Daughter | — | 13 | ~1897 |
| Elmer Irwin | Son | — | 16 | ~1894 |
| Viola Irwin | Daughter | — | 9 | ~1901 |
| James Irwin | Head | — | 45 | ~1865 |
| Nellie Irwin | Spouse | — | 41 | ~1869 |
Census Appearances
1900
San Francisco, …
Head, age 35
San Francisco, California · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Irwin |
| Given Name | Jas H G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Canada |
| Birth Month | Jun |
| Birth Year | 1865 |
| Year of Immigration | 1876 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teamster |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1910
San Francisco, …
Head, age 45
San Francisco, California · implied b. ~1865 — 6 household members
| Surname | Irwin |
| Given Name | James A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Canada |
| Years Married | 18 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Maine |
| Occupation | Teamster |
| Industry | Spring Valley Water Co |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 James Irwin across 2 US Census years (1900 and 1910) in San Francisco, California, using XGBoost record linkage.
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This person
Anchor record
James Irwin
Head · 1910 · age 45 · b. ~1865 · 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
40 people indexed on this census page (ia:1910:13thcensus1910po0097unit:0921)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Archbold Cooper | 34 | Head | Painter | Scotland |
| 2 | Martha Cooper | 34 | Wife | — | Scotland |
| 3 | Martha Cooper | 2 | Daughter | — | California |
| 4 | Jane E Cooper | 0 | Daughter | — | California |
| 6 | Jacob F Krasa | 37 | Head | Hardwood Finisher | Germany |
| 7 | Mary A Krasa | 37 | Wife | None | Germany |
| 8 | Edrie A Krasa | 13 | Daughter | — | Illinois |
| 10 | Richard J Barry | 42 | Head | Upholsterer | California |
| 11 | Mary H Barry | 39 | Wife | None | California |
| 12 | Florence E Barry | 18 | Daughter | Draperyer | California |
| 13 | Gertrude R Barry | 16 | Daughter | None | California |
| 14 | Richard J Barry | 13 | Son | None | California |
| 15 | William A Barry | 7 | Son | None | California |
| 16 | Ralph Barry | 6 | Son | — | California |
| 18 | Stephen T Arnold | 56 | Head | Polisher | Rhode Island |
| 19 | Martha A Arnold | 60 | Wife | None | Missouri |
| 21 | Douglas W Munter | 46 | Head | Painter | Canada |
| 22 | Isabella Munter | 41 | Wife | None | Michigan |
| 24 | James A Irwin THIS PERSON | 45 | Head | Teamster | Canada |
| 25 | Nellie Irwin | 41 | Wife | — | California |
| 26 | Elmer T Irwin | 16 | Son | Typewriting | California |
| 27 | Rena G Irwin | 13 | Daughter | — | California |
| 28 | Delbert A Irwin | 9 | Son | — | California |
| 29 | Viola A Irwin | 9 | Daughter | — | California |
| 31 | Clyde E Parker | 36 | Head | Painter | Illinois |
| 32 | Lelah Parker | 31 | Wife | None | Maine |
| 33 | Beulah M Parker | 18 | Daughter | — | California |
| 35 | Riley P Wilson | 40 | Head | Painter | Wisconsin |
| 36 | Elizabeth R Wilson | 37 | Wife | Milliner | Texas |
| 37 | Gertrude R Wilson | 15 | Daughter | Milliner | California |
| 38 | Orrin F Wilson | 7 | Son | — | California |
| 39 | Marjorie E Wilson | 5 | Daughter | — | California |
| 40 | Laura N Wilson | 4 | Daughter | — | California |
| 41 | James Farrell | 64 | Head | Laborer | Ireland |
| 42 | Catherine Farrell | 62 | Wife | None | Ireland |
| 43 | Bertha Jaffigen | 39 | Head | None | Pennsylvania |
| 44 | James Jaffigen | 17 | Son | Laborer | California |
| 45 | John Jaffigen | 15 | Son | Laborer | California |
| 46 | Mary E Jaffigen | 13 | Daughter | None | California |
| 47 | Annie F Jaffigen | 7 | Daughter | — | California |
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)