JH
John Haas — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Los Angeles, California
Our Model Tree links this John Haas across the 1900 and 1910 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a son (b.~1885), then head of a 10-person household.
Age 25
b. ~1885
Male
Son
Born: California
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Los Angeles, California |
| Surname | Haas |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Lawyer |
| Industry | Law Office |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Lawyer |
| Township / Ward | Alhambra City |
| Est. Birth Year | ~1885 |
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.
10 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Haas | Son | — | 25 | ~1885 |
| Josephine Dunn | Daughter | — | 32 | ~1878 |
| Leny Haas | Daughter | — | 28 | ~1882 |
| Harry Dunn | Son | — | 4 | ~1906 |
| John Haas | Head | — | 77 | ~1833 |
| Harrison Haas | Son | — | 30 | ~1880 |
| Josephine Dunn | Other | — | 6 | ~1904 |
| Lena Haas | Spouse | — | 69 | ~1841 |
| Walter Haas | Son | — | 40 | ~1870 |
| Milton Dunn | Son | — | 1 | ~1909 |
Census Appearances
1900
Los Angeles, …
Son, age 16
Los Angeles, California · implied b. ~1884 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haas |
| Given Name | John N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Birth Month | Nov |
| Birth Year | 1884 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1910
Los Angeles, …
Son, age 25
Los Angeles, California · implied b. ~1885 — 10 household members
| Surname | Haas |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Lawyer |
| Industry | Law Office |
| 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 Haas across 2 US Census years (1900 and 1910) in Los Angeles, California, using XGBoost record linkage.
Show:
This person
Anchor record
John Haas
Son · 1910 · age 25 · b. ~1885 · California
★ You are viewing this record
Sibling
Walter Haas
Sibling · 1910 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leny Haas
Sibling · 1910 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Dunn
Sibling · 1910 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Dunn
Sibling · 1910 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Dunn
Sibling · 1910 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harrison Haas
Sibling · 1910 · age 30
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 — Los Angeles, California
Open full size
1910 US Federal Census — Los Angeles, California
Page Contents
22 people indexed on this census page (ia:1910:13thcensus1910po0087unit:0154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Wilson | 15 | Daughter | — | California |
| 2 | Guy C. Wilson | 11 | Son | — | California |
| 3 | Milford Wilson | 9 | Daughter | — | California |
| 4 | Clarence H. Matson | 38 | Head | Reporter | Ohio |
| 5 | May C. Matson | 33 | Wife | — | Kansas |
| 6 | Archibald Matson | 10 | Son | — | Kansas |
| 7 | Marguerite Matson | 9 | Daughter | — | Kansas |
| 8 | Elizabeth Matson | 7 | Daughter | — | Kansas |
| 9 | Clarence Matson | 4 | Son | — | Kansas |
| 10 | John B. Haas | 77 | Head | Own Means | Germany |
| 11 | Lena Haas | 69 | Wife | — | Germany |
| 12 | Walter F. Haas | 40 | Son | Lawyer | Missouri |
| 13 | Harrison J. Haas | 30 | Son | — | Missouri |
| 14 | Leny R. Haas | 28 | Daughter | Teacher | Missouri |
| 15 | John B. Haas THIS PERSON | 25 | Son | Lawyer | California |
| 16 | Josephine Dunn | 32 | Daughter | — | Missouri |
| 17 | Josephine E. Dunn | 6 | Grd. Daughter | — | California |
| 18 | Harry H. Dunn | 4 | Son | — | California |
| 19 | Milton J. Dunn | 1 | Son | — | California |
| 20 | Ida R. Halstead | 53 | Head | Operator | Massachusetts |
| 21 | Ida M. Halstead | 33 | Daughter | — | New York |
| 22 | Louise Meier | 53 | Servant | General Work | Switzerland |
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)