WJ
Willard Johnson — 1910 US Census Record
Linked across censuses1910 United States Federal Census · San Francisco, California
Our Model Tree links this Willard Johnson across the 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a son (b.~1887), then head of a 8-person household.
Age 23
b. ~1887
Male
Son
Born: California
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | San Francisco, California |
| Surname | Johnson |
| Given Name | Willard S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | New York |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Fireman |
| Industry | Fire Dept |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Fireman |
| Township / Ward | San Francisco City Part Of |
| Est. Birth Year | ~1887 |
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.
8 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Willard | Age | Birth yr |
|---|---|---|---|---|
| Willard Johnson | Son | — | 23 | ~1887 |
| Margie Johnson | Daughter | — | 5 | ~1905 |
| Benjamin Johnson | Head | — | 54 | ~1856 |
| Archie Johnson | Son | — | 19 | ~1891 |
| Grace Johnson | Daughter | — | 12 | ~1898 |
| Mary Johnson | Spouse | — | 43 | ~1867 |
| George Johnson | Son | — | 18 | ~1892 |
| Helen Johnson | Daughter | — | 8 | ~1902 |
Census Appearances
1910
San Francisco, …
Son, age 23
San Francisco, California · implied b. ~1887 — 8 household members
| Surname | Johnson |
| Given Name | Willard S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | New York |
| Mother's Birthplace | California |
| Occupation | Fireman |
| Industry | Fire Dept |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Head, age 32
San Francisco, California · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | New York |
| Mother's Birthplace | California |
| Occupation | Fireman |
| Industry | City |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| 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 Willard Johnson across 2 US Census years (1910 and 1920) in San Francisco, California, using XGBoost record linkage.
Show:
This person
Anchor record
Willard Johnson
Son · 1910 · age 23 · b. ~1887 · California
★ You are viewing this record
Sibling
Archie Johnson
Sibling · 1910 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Johnson
Sibling · 1910 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Johnson
Sibling · 1910 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Johnson
Sibling · 1910 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margie Johnson
Sibling · 1910 · age 5
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
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:1910:13thcensus1910po0098unit:0396)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Benjamin Johnson | 54 | Head | Salesman | New York |
| 2 | Mary A Johnson | 43 | Wife | — | California |
| 3 | Willard S Johnson THIS PERSON | 23 | Son | Fireman | California |
| 4 | Archie Johnson | 19 | Son | — | California |
| 5 | George Johnson | 18 | Son | Molder | California |
| 6 | Grace Johnson | 12 | Daughter | — | California |
| 7 | Helen Johnson | 8 | Daughter | — | California |
| 8 | Margie Johnson | 5 | Daughter | — | California |
| 9 | William B Madden | 43 | Head | Plasterer | Missouri |
| 10 | Marie M Madden | 43 | Wife | — | Missouri |
| 11 | Herbert N Madden | 15 | Son | — | California |
| 12 | Gudmund Gabin | 40 | Head | Musician | Aust Slovenian |
| 13 | Elizabeth Gabin | 41 | Wife | — | Gr German |
| 14 | William Gabin | 20 | Son | Musician | California |
| 15 | John C Burke | 33 | Head | Detective | Nevada |
| 16 | Agnes B Burke | 34 | Wife | — | California |
| 17 | Beatrice B Burke | 13 | Daughter | — | California |
| 18 | John C Burke | 11 | Son | — | Washington |
| 19 | Agnes M Burke | 9 | Daughter | — | California |
| 20 | George C Burke | 7 | Son | — | California |
| 21 | William A Burke | 5 | Son | — | California |
| 22 | Blanche A Burke | 4 | Daughter | — | California |
| 23 | James J Burke | 2 | Son | — | California |
| 24 | Loretta A Burke | 0 | Daughter | — | California |
| 25 | Mary Malley | 50 | Head | — | Ire English |
| 26 | Thomas Malley | 26 | Son | Painter | California |
| 27 | Frank Malley | 24 | Son | Painter | California |
| 28 | George C Dellingham | 44 | Head | Teamster | Maine |
| 29 | Lillie Dellingham | 44 | Wife | — | South Carolina |
| 30 | Frederick Dellingham | 21 | Son | Actor | California |
| 31 | Martha Granier | 15 | Lodger | — | California |
| 32 | Charles R Long | 20 | Lodger | Teamster | Missouri |
| 33 | Mary Lane | 67 | Head | — | Ire English |
| 34 | William Lane | 35 | Son | Laborer | Ire English |
| 35 | Frank Lane | 24 | Son | Laborer | Ire English |
| 36 | Thomas Lane | 29 | Son | Laborer | Ire English |
| 37 | James Lane | 11 | Grandson | — | Ire English |
| 38 | Rosana Lane | 26 | Daughter | Dressmaker | Ire English |
| 39 | Jerry A Dinneen | 29 | Head | Teamster | California |
| 40 | Katherine Dinneen | 28 | Wife | — | California |
| 41 | James J Dinneen | 6 | Son | — | California |
| 42 | Michael Crowley | 60 | Boarder | Laborer | Ire English |
| 43 | John P O'Leary | 38 | Head | Machinist | Ohio |
| 44 | Elizabeth O'Leary | 33 | Wife | — | California |
| 45 | John Pasek | 62 | Head | Carpenter | Aust Bohemian |
| 46 | Eva Pasek | 63 | Wife | — | Aust Bohemian |
| 47 | Charles Pasek | 26 | Son | Moulder | California |
| 48 | Leo D Pasek | 21 | Son | Carpenter | California |
| 49 | Paul P O'League | 42 | Head | Soldier | California |
| 50 | Mary E O'League | 31 | Wife | — | 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)