LJ
Leonard Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hennepin, Minnesota
Our Model Tree links this Leonard Johnson across the 1910, 1920 and 1930 US Censuses in Hennepin, Minnesota (XGBoost, ~Confirmed), with identified parents Alfred & Mary — first a son (b.~1902), then head of a 5-person household.
Age 28
b. ~1902
Male
Son
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hennepin, Minnesota |
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Clerk |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1902 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Alice Johnson | Daughter | — | 20 | ~1910 |
| Otto Johnson | Head | — | 62 | ~1868 |
| Anna Svebak | Other | — | 72 | ~1858 |
| Jessie Nelson | Other | — | 21 | ~1909 |
| Leonard Johnson | Son | — | 28 | ~1902 |
Census Appearances
1910
Hennepin, Minnesota
Son, age 8
Hennepin, Minnesota · implied b. ~1902 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Hennepin, Minnesota
Son, age 17
Hennepin, Minnesota · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Student |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 28
Hennepin, Minnesota · implied b. ~1902 — 5 household members
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Leonard Johnson across 3 US Census years (1910, 1920 and 1930) in Hennepin, Minnesota, using XGBoost record linkage. Identified parents: father Alfred Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and father Otto Johnson (~0.92 confidence) and mother Wife Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Johnson
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
Otto Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Wife Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Johnson
Son · 1930 · age 28 · b. ~1902 · Minnesota
★ You are viewing this record
Sibling
Alice Johnson
Sibling · 1930 · age 20
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 — Hennepin, Minnesota
Open full size
1930 US Federal Census — Hennepin, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1098:0251)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold Anderson | 45 | Head | Motorman | Sweden |
| 2 | Betty Anderson | 34 | Wife | Maid | Sweden |
| 3 | Harold R. Anderson | 16 | Son | — | Minnesota |
| 4 | Florence Anderson | 11 | Daughter | — | Minnesota |
| 5 | Lillian Anderson | 11 | Daughter | — | Minnesota |
| 6 | Carl Gawthe | 34 | Head | Foreman | Minnesota |
| 7 | Katherine Gawthe | 33 | Wife | — | Minnesota |
| 8 | Archie Brueckette | 55 | Head | Merchant Grocer | New York |
| 9 | Mary J. Brueckette | 52 | Wife | Milliner | Minnesota |
| 10 | H. G. Brueckette | 53 | Brother | Maintenance | New York |
| 11 | George A. Dorsman | 44 | Head | Molder | Minnesota |
| 12 | Blanche M. Dorsman | 40 | Wife | — | Minnesota |
| 13 | Marvin D. Dorsman | 11 | Son | — | Minnesota |
| 14 | David Freedland | 32 | Head | Bookkeeper | Minnesota |
| 15 | Elsie Freedland | 30 | Wife | Machine Opr. | Minnesota |
| 16 | William Macdonald | 27 | Head | Mechanic | Minnesota |
| 17 | Irene Macdonald | 24 | Wife | — | Wisconsin |
| 18 | Birdyce Macdonald | 1 | Daughter | — | Minnesota |
| 19 | Harry Melzer | 44 | Head | Seamstress | Sweden |
| 20 | Paul G. Melzer | 20 | Son | Shipping Clerk | Minnesota |
| 21 | Otto Johnson | 62 | Head | Locomotive Engr. | Sweden |
| 22 | Leonard Johnson THIS PERSON | 28 | Son | Clerk | Minnesota |
| 23 | Alice Johnson | 20 | Daughter | — | Minnesota |
| 24 | Anna Svebak | 72 | Boarder | Housekeeper | Sweden |
| 25 | Jessie F. Nelson | 21 | Boarder | Secretary | Minnesota |
| 26 | Chris Rudolf | 46 | Head | Chef | Greece |
| 27 | Margaret Rudolf | 28 | Wife | — | South Dakota |
| 28 | George Rudolf | 9 | Son | — | Minnesota |
| 29 | James Rudolf | 7 | Son | — | Minnesota |
| 30 | George French | 50 | Head | Manager | New York |
| 31 | Sarah J. French | 43 | Wife | — | Minnesota |
| 32 | Robert W. French | 20 | Son | — | Minnesota |
| 33 | William S. French | 18 | Son | — | Minnesota |
| 34 | Catherine L. French | 13 | Daughter | — | Minnesota |
| 35 | Harry S. French | 10 | Son | — | Minnesota |
| 36 | Gladys L. Johnson | 21 | Lodger | Stenographer | Wisconsin |
| 37 | Charlotte C. Rothman | 32 | Lodger | Housekeeper | North Dakota |
| 38 | Marie E. Glauner | 27 | Roomer | Presser | Minnesota |
| 39 | Ernest Sorensen | 44 | Head | Mechanic | Iowa |
| 40 | Grace L. Sorensen | 43 | Wife | — | Iowa |
| 41 | Wayne S. Sorensen | 20 | Son | — | Minnesota |
| 42 | Lois Martha Sorensen | 15 | Daughter | — | Indiana |
| 43 | Charles Jerome Sorensen | 12 | Son | — | Minnesota |
| 44 | Florence Lyle Sorensen | 10 | Daughter | — | Minnesota |
| 45 | Lloyd Richard Sorensen | 7 | Son | — | Minnesota |
| 46 | Robert L. Sorensen | 5 | Son | — | Minnesota |
| 47 | John Berglund | 45 | Head | — | Norway |
| 48 | Bertha Berglund | 42 | Wife | — | Norway |
| 49 | Patrick Hayes | 53 | Lodger | Order Clerk | New York |
| 50 | Alfred Schuldt | 58 | Boarder | Salesman | Missouri |
Related Census Records
Pedigree Summary
Leonard + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)