JC
John Coughlin — 1910 US Census Record
Linked across censuses1910 United States Federal Census · San Francisco, California
Our Model Tree links this John Coughlin across the 1900 and 1910 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 6-person household.
Age 49
b. ~1861
Male
Head
Born: California
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | San Francisco, California |
| Surname | Coughlin |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | California |
| Years Married | 16 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Un. |
| Additional Details | |
| Occupation | Harness Maker |
| Industry | Corporation Yard |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Harnessmaker |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1861 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Coughlin | Son | — | 11 | ~1899 |
| Frances Coughlin | Daughter | — | 7 | ~1903 |
| William Coughlin | Son | — | 14 | ~1896 |
| John Coughlin | Head | — | 49 | ~1861 |
| Rosie Coughlin | Daughter | — | 9 | ~1901 |
| Josephine Coughlin | Spouse | — | 49 | ~1861 |
Census Appearances
1900
San Francisco, …
Head, age 39
San Francisco, California · implied b. ~1861 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | California |
| Birth Month | Aug |
| Birth Year | 1861 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Saloon runner |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1910
San Francisco, …
Head, age 49
San Francisco, California · implied b. ~1861 — 6 household members
| Surname | Coughlin |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | California |
| Years Married | 16 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Un. |
| Occupation | Harness Maker |
| Industry | Corporation Yard |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| 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 John Coughlin across 2 US Census years (1900 and 1910) in San Francisco, California, using XGBoost record linkage.
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This person
Anchor record
John Coughlin
Head · 1910 · age 49 · b. ~1861 · California
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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
50 people indexed on this census page (ia:1910:13thcensus1910po0102unit:0670)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Silverio Tallon | 71 | Head | Painter | Italy |
| 2 | Ida Tallon | 30 | Wife | — | Italy |
| 3 | Silvio Grossi | 35 | Boarder | Wagon Driver | Italy |
| 4 | John C Roggio | 45 | Head | Stevedore | Italy |
| 5 | Annie Roggio | 40 | Wife | — | Kansas |
| 6 | Lavana Roggio | 15 | Daughter | — | California |
| 7 | Frank Roggio | 21 | Son | Baker | California |
| 8 | Stella Roggio | 13 | Daughter | — | California |
| 9 | Mina Roggio | 10 | Daughter | — | California |
| 10 | Gaty Roggio | 3 | Daughter | — | California |
| 11 | Paolo Segale | 39 | Head | Janitor | Italy |
| 12 | Teresa Segale | 35 | Wife | — | Italy |
| 13 | Rossa Segale | 12 | Daughter | — | Italy |
| 14 | Attilio Segale | 8 | Son | — | California |
| 15 | Leila Segale | 0 | Daughter | — | California |
| 16 | Michael Radich | 41 | Head | Longshoreman | Aust. Slavonian |
| 17 | Kate Radich | 35 | Wife | — | Aust. Slavonian |
| 18 | Mary Radich | 8 | Daughter | — | California |
| 19 | Bonira Radich | 6 | Daughter | — | California |
| 20 | Louis Radich | 3 | Son | — | California |
| 21 | Lazzero Lazzero | 44 | Head | Fisherman | Italy |
| 22 | Julia Lazzero | 37 | Wife | — | Italy |
| 23 | Remo Lazzero | 11 | Son | — | Italy |
| 24 | Angellino Lazzero | 3 | Son | — | California |
| 25 | Luigi Lazzero | 0 | Son | — | California |
| 26 | Michael Toso | 66 | Head | — | Italy |
| 27 | Mary Toso | 57 | Wife | — | Italy |
| 28 | Michael Toso | 26 | Son | Carpenter | Italy |
| 29 | Battista Toso | 22 | Son | Carpenter | California |
| 30 | Angellina Toso | 19 | Daughter | Seamstress | California |
| 31 | John J Coughlin THIS PERSON | 49 | Head | Harness Maker | California |
| 32 | Josephine Coughlin | 49 | Wife | — | Ireland |
| 33 | William D Coughlin | 14 | Son | — | California |
| 34 | John J Coughlin | 11 | Son | — | California |
| 35 | Rosie S Coughlin | 9 | Daughter | — | Oregon |
| 36 | Frances T Coughlin | 7 | Daughter | — | Oregon |
| 37 | Tomasso Castagnola | 53 | Head | Fisherman | Italy |
| 38 | Elisa Castagnola | 45 | Wife | — | Italy |
| 39 | Tomasso Castagnola | 22 | Son | Fisherman | Italy |
| 40 | Joseph Castagnola | 17 | Son | Laborer | Italy |
| 41 | Angelina Coradi | 20 | Daughter | — | Italy |
| 42 | Joseph Coradi | 24 | Son-in-law | Fisherman | Italy |
| 43 | Dionisia Coradi | 0 | Granddaughter | — | California |
| 44 | Samuel Williams | 57 | Head | Miller | Tennessee |
| 45 | Virgie Williams | 37 | Wife | — | Kansas |
| 46 | Luigi Puccinelli | 24 | Head | Laborer | Italy |
| 47 | Maria Puccinelli | 22 | Wife | — | Italy |
| 48 | Petrina Puccinelli | 1 | Daughter | — | California |
| 49 | Felicia Puccinelli | 50 | Mother | — | Italy |
| 50 | Giovanni Puccinelli | 30 | Brother | Laborer | Italy |
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)