JH
John Haas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Tammany, Louisiana
Our Model Tree links this John Haas across the 1920 and 1930 US Censuses in St Tammany, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 8-person household.
Age 21
b. ~1909
Male
Son
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Tammany, Louisiana |
| Surname | Haas |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Madisonville Town |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rosa Haas | Spouse | — | 42 | ~1888 |
| Rosalie Haas | Daughter | — | 7 | ~1923 |
| Isabelle Haas | Daughter | — | 17 | ~1913 |
| John Haas | Head | — | 50 | ~1880 |
| Harold Haas | Son | — | 12 | ~1918 |
| John Haas | Son | — | 21 | ~1909 |
| Stella Haas | Daughter | — | 15 | ~1915 |
| Leonard Haas | Son | — | 9 | ~1921 |
Census Appearances
1920
St Tammany, …
Son, age 11
St Tammany, Louisiana · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haas |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
St Tammany, …
Son, age 21
St Tammany, Louisiana · implied b. ~1909 — 8 household members
| Surname | Haas |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 (1920 and 1930) in St Tammany, Louisiana, using XGBoost record linkage.
Show:
This person
Anchor record
John Haas
Son · 1930 · age 21 · b. ~1909 · Louisiana
★ You are viewing this record
Sibling
Rosalie Haas
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabelle Haas
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Haas
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stella Haas
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Haas
Sibling · 1930 · age 12
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
1930 US Federal Census — St Tammany, Louisiana
Open full size
1930 US Federal Census — St Tammany, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus820unit:0694)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Annie Duggan | 60 | Head | Nurse | Havana |
| 52 | Victor Chatelier | 61 | Head | Carpenter | Louisiana |
| 53 | Mary Chatelier | 60 | Wife | — | Louisiana |
| 54 | Gilmore Chatelier | 29 | Son | Labor | Louisiana |
| 55 | Denis Chatelier | 31 | Daughter | — | Louisiana |
| 56 | James Bradley | 27 | Head | Labor | Louisiana |
| 57 | Fannie Bradley | 28 | Wife | — | Louisiana |
| 58 | Yvonne Bradley | 4 | Daughter | — | Louisiana |
| 59 | Emile Grachamp | 22 | Head | Labor | Louisiana |
| 60 | Isaac Eckel | 49 | Head | Carpenter | Louisiana |
| 61 | Augusta Eckel | 45 | Wife | — | Louisiana |
| 62 | Homer Eckel | 14 | Son | — | Louisiana |
| 63 | John Engelhardt | 72 | Head | Farmer | Germany |
| 64 | Mary Engelhardt | 74 | Wife | — | Germany |
| 65 | Paula Cromani | 38 | Daughter | — | Louisiana |
| 66 | Charles Allen | 40 | Son-in-law | Labor | Louisiana |
| 67 | Louise Allen | 34 | Daughter | — | Louisiana |
| 68 | Lois Allen | 9 | Granddaughter | — | Louisiana |
| 69 | Kathleen Allen | 6 | Granddaughter | — | Louisiana |
| 70 | John Haas | 50 | Head | Farmer | Louisiana |
| 71 | Rosa Haas | 42 | Wife | — | Louisiana |
| 72 | John Haas THIS PERSON | 21 | Son | — | Louisiana |
| 73 | Isabelle Haas | 17 | Daughter | — | Louisiana |
| 74 | Stella Haas | 15 | Daughter | — | Louisiana |
| 75 | Harold Haas | 12 | Son | — | Louisiana |
| 76 | Leonard Haas | 9 | Son | — | Louisiana |
| 77 | Rosalie Haas | 7 | Daughter | — | Louisiana |
| 78 | J. W. Glass | 24 | Head | Labor | Louisiana |
| 79 | Nicola Glass | 24 | Wife | — | Louisiana |
| 80 | Joseph Glass | 6 | Son | — | Louisiana |
| 81 | James Glass | 4 | Son | — | Louisiana |
| 82 | Leroy Glass | 2 | Son | — | Louisiana |
| 83 | Wilbur Welsch | 39 | Head | Agent | Louisiana |
| 84 | Bessie Welsch | 34 | Wife | — | Mississippi |
| 85 | Joe Hutchinson | 62 | Head | Saw Filler | Georgia |
| 86 | Sanna Hutchinson | 61 | Wife | — | Georgia |
| 87 | Earl Hutchinson | 26 | Son | — | Mississippi |
| 88 | Ernest Hutchinson | 26 | Son | — | Mississippi |
| 89 | Woodrow Hutchinson | 11 | Grandson | — | Louisiana |
| 90 | Geo. Mire | 33 | Head | Fireman | Louisiana |
| 91 | Louise Mire | 27 | Wife | — | Louisiana |
| 92 | Inerda Mire | 5 | Daughter | — | Louisiana |
| 93 | Geo. Jr. Mire | 3 | Son | — | Louisiana |
| 94 | Marilyn Mire | 1 | Daughter | — | Louisiana |
| 95 | Larry Davenport | 33 | Head | Store Manager | Louisiana |
| 96 | Mae Davenport | 26 | Wife | — | Louisiana |
| 97 | Lionel Davenport | 5 | Daughter | — | Louisiana |
| 98 | Larry Davenport | 4 | Son | — | Louisiana |
| 99 | Paul Quillifer | 54 | Head | Carpenter | Louisiana |
| 100 | Barbara Quillifer | 53 | Wife | — | Germany |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)