JL
John Larson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this John Larson across the 1920 and 1930 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 14-person household.
Age 19
b. ~1911
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Larson |
| Given Name | John Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Webster Groves City |
| Est. Birth Year | ~1911 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Larson | Daughter | — | 8 | ~1922 |
| Josephine Larson | Daughter | — | 11 | ~1919 |
| Margaret Larson | Daughter | — | 21 | ~1909 |
| John Larson | Head | — | 59 | ~1871 |
| Laura Dean | Other | — | 30 | ~1900 |
| Minnie Larson | Other | — | 54 | ~1876 |
| Katherine Mountain | Other | — | 65 | ~1865 |
| Joseph Larson | Son | — | 15 | ~1915 |
| John Larson | Son | — | 19 | ~1911 |
| Carl Larson | Son | — | 24 | ~1906 |
| Richard Larson | Son | — | 22 | ~1908 |
| Eugene Larson | Son | — | 26 | ~1904 |
| David Larson | Son | — | 13 | ~1917 |
| Luther Larson | Son | — | 17 | ~1913 |
Census Appearances
1920
St Louis, …
Son, age 9
St Louis, Missouri · implied b. ~1911 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | John P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Son, age 19
St Louis, Missouri · implied b. ~1911 — 14 household members
| Surname | Larson |
| Given Name | John Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Larson across 2 US Census years (1920 and 1930) in St Louis, Missouri, using XGBoost record linkage.
Show:
This person
Anchor record
John Larson
Son · 1930 · age 19 · b. ~1911 · Missouri
★ You are viewing this record
Sibling
Luther Larson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Larson
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Larson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Larson
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Larson
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Larson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Larson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Larson
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Larson
Sibling · 1930 · age 13
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 Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1225:0172)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul Klein | 39 | Head | Carpenter | Germany |
| 2 | Mamie Klein | 40 | Wife-H | — | Illinois |
| 3 | Robert Klein | 14 | Son | — | Illinois |
| 4 | William Fritz | 28 | Head | Cleaner | Missouri |
| 5 | Marie Fritz | 25 | Wife-H | — | Missouri |
| 6 | William Jr. Fritz | 2 | Son | — | Missouri |
| 7 | Kenneth Higgs | 28 | Head | Model Maker | England |
| 8 | Esther Higgs | 26 | Wife-H | — | Missouri |
| 9 | Mary Jane Higgs | 1 | Daughter | — | Missouri |
| 10 | Warren Hammons | 32 | Head | Plasterer | Illinois |
| 11 | Mary Hammons | 31 | Wife-H | — | Missouri |
| 12 | Claude Hammons | 9 | Son | — | Missouri |
| 13 | Robert Hammons | 7 | Son | — | Missouri |
| 14 | Beatrice Hammons | 5 | Daughter | — | Missouri |
| 15 | Betty Jane Hammons | 1 | Daughter | — | Missouri |
| 16 | William Reaves | 52 | Head | Mechanic | Missouri |
| 17 | Mamie Reaves | 50 | Wife-H | — | Missouri |
| 18 | Merlin Smith | 20 | Son | — | Missouri |
| 19 | John P. Larson | 59 | Head | Secretary | Sweden |
| 20 | Minnie Larson | 54 | Wife-H | — | Illinois |
| 21 | Eugene Larson | 26 | Son | — | Missouri |
| 22 | Carl Larson | 24 | Son | — | Missouri |
| 23 | Richard Larson | 22 | Son | — | Missouri |
| 24 | Margaret Larson | 21 | Daughter | — | Missouri |
| 25 | John Paul Larson THIS PERSON | 19 | Son | — | Missouri |
| 26 | Luther Larson | 17 | Son | — | Missouri |
| 27 | Joseph Larson | 15 | Son | — | Missouri |
| 28 | David Larson | 13 | Son | — | Missouri |
| 29 | Josephine Larson | 11 | Daughter | — | Missouri |
| 30 | Mary Ann Larson | 8 | Daughter | — | Missouri |
| 31 | Laura Dean | 30 | Maid | Maid | Missouri |
| 32 | Katherine Mountain | 65 | Roomer | — | Missouri |
| 33 | John Christie | 73 | Head | Accountant | Maryland |
| 34 | Isabelle Christie | 67 | Wife-H | — | Missouri |
| 35 | Dorothy Staley | 38 | Roomer | Teacher | England |
| 36 | Blanche Gilbert | 72 | Head | — | New York |
| 37 | Kenneth Coggeshall | 37 | Son-in-law | Producing Mgr. | Massachusetts |
| 38 | Eva Coggeshall | 37 | Daughter | — | Missouri |
| 39 | Morrison Coggeshall | 10 | Grandson | — | Missouri |
| 40 | Edward L. Fincher | 65 | Head | Salesman | Missouri |
| 41 | Emma B. Fincher | 70 | Wife-H | — | Missouri |
| 42 | Clara Fincher | 30 | Daughter | Secretary | Missouri |
| 43 | John Lott | 70 | Head | — | Missouri |
| 44 | Malie Lott | 72 | Wife-H | — | Missouri |
| 45 | John Jr. Lott | 27 | Son | Manager | Missouri |
| 46 | Ray Van Benthuysen | 45 | Head | Agent | Illinois |
| 47 | Lodice Van Benthuysen | 43 | Wife-H | — | New York |
| 48 | Will Van Benthuysen | 22 | Son | Deputy Sheriff | New York |
| 49 | Robert Van Benthuysen | 18 | Son | Adv. Man | Missouri |
| 50 | Ray Louise Van Benthuysen | 17 | Daughter | — | Missouri |
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)