LJ
Leonard Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Providence, Rhode Island
Our Model Tree links this Leonard Johnson across the 1910, 1920 and 1930 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed), with identified parents Adolph & Matilda — first a son (b.~1910), then head of a 4-person household.
Age 20
b. ~1910
Male
Son
Born: Rhode Island
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Providence, Rhode Island |
| Surname | Johnson |
| Given Name | Leonard S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Salesman |
| Industry | Brokerage House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Salesman |
| Township / Ward | Providence City |
| Est. Birth Year | ~1910 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Arvid Johnson | Head | — | 50 | ~1880 |
| Leonard Johnson | Son | — | 20 | ~1910 |
| Clinton Johnson | Son | — | 16 | ~1914 |
| Elizabeth Johnson | Spouse | — | 52 | ~1878 |
Census Appearances
1910
Providence, Rhode …
Son, age
Providence, Rhode Island · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1920
Providence, Rhode …
Son, age 10
Providence, Rhode Island · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Son, age 20
Providence, Rhode Island · implied b. ~1910 — 4 household members
| Surname | Johnson |
| Given Name | Leonard S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Salesman |
| Industry | Brokerage House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Providence, Rhode Island, using XGBoost record linkage. Identified parents: father Adolph Johnson (~0.92 confidence) and mother Matilda Johnson (~0.92 confidence) and mother Elizabeth Johnson (~0.92 confidence) and father Arvid Johnson (~0.92 confidence) and mother Matilda Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adolph Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Matilda Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Arvid Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Matilda Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Johnson
Son · 1930 · age 20 · b. ~1910 · Rhode Island
★ You are viewing this record
Sibling
Clinton Johnson
Sibling · 1930 · age 16
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 — Providence, Rhode Island
Open full size
1930 US Federal Census — Providence, Rhode Island
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2178unit:0933)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Artemus H. Vaughan | 43 | Head | Salesman | Rhode Island |
| 52 | Ida Vaughan | 38 | Wife | Solderer | Connecticut |
| 53 | Clinton P. Vaughan | 14 | Son | — | Rhode Island |
| 54 | Beatrice L. Vaughan | 12 | Daughter | — | Rhode Island |
| 55 | Hosea D. Hyland | 45 | Head | Principal | Massachusetts |
| 56 | Dora P. Hyland | 41 | Wife | — | Massachusetts |
| 57 | Hosea D. Hyland | 14 | Son | — | Massachusetts |
| 58 | Harold W. Hyland | 10 | Son | — | Massachusetts |
| 59 | Miriam Hyland | 9 | Daughter | — | Massachusetts |
| 60 | Robert R. Cornell | 48 | Head | Div. Supt. | Connecticut |
| 61 | Hester S. Cornell | 44 | Wife | — | Massachusetts |
| 62 | Robert H. Cornell | 19 | Son | — | Rhode Island |
| 63 | Harold M. Cornell | 12 | Son | — | Rhode Island |
| 64 | Alice S. Cornell | 8 | Daughter | — | Rhode Island |
| 65 | Robert F. Shaw | 41 | Head | Canvasser | Rhode Island |
| 66 | Florence F. Shaw | 39 | Wife | — | New York |
| 67 | Robert F. Shaw | 12 | Son | — | Rhode Island |
| 68 | Ruth C. Shaw | 9 | Daughter | — | Rhode Island |
| 69 | Herbert Hanson | 38 | Head | Shoe Dealer | Rhode Island |
| 70 | Doris Hanson | 36 | Wife | — | England |
| 71 | Herbert Hanson | 8 | Son | — | Rhode Island |
| 72 | Warren E. Hanson | 6 | Son | — | Rhode Island |
| 73 | Donald H. Hanson | 2 | Son | — | Rhode Island |
| 74 | Harry H. Blanchard | 43 | Head | Mechanic | New York |
| 75 | Gertrude H. Blanchard | 42 | Wife | — | Connecticut |
| 76 | Mildred S. Blanchard | 22 | Daughter | Secretary | Connecticut |
| 77 | Marion E. Blanchard | 19 | Daughter | Bookkeeper | New York |
| 78 | Virginia Blanchard | 17 | Daughter | — | New York |
| 79 | Madeline Blanchard | 12 | Daughter | — | Rhode Island |
| 80 | Arvid Johnson | 50 | Head | Carpenter | Sweden |
| 81 | Elizabeth N. Johnson | 52 | Wife | — | Sweden |
| 82 | Leonard S. Johnson THIS PERSON | 20 | Son | Salesman | Rhode Island |
| 83 | Clinton S. Johnson | 16 | Son | — | Rhode Island |
| 84 | Herman Volker | 30 | Head | Mechanic | New Jersey |
| 85 | Mildred J. Volker | 22 | Wife | — | Massachusetts |
| 86 | Virginia S. Volker | 2 | Daughter | — | Rhode Island |
| 87 | Thomas H. Zorabedian | 40 | Head | Laborer | Armenia |
| 88 | Eva T. Zorabedian | 40 | Wife | — | Armenia |
| 89 | Anthony Zorabedian | 16 | Son | — | Rhode Island |
| 90 | Maria Zorabedian | 14 | Daughter | — | Rhode Island |
| 91 | Samuel H. Zorabedian | 11 | Son | — | Rhode Island |
| 92 | Annie H. Zorabedian | 9 | Daughter | — | Rhode Island |
| 93 | Grace Zorabedian | 6 | Daughter | — | Rhode Island |
| 94 | Richard Zorabedian | 4 | Son | — | Rhode Island |
| 95 | Alice Zorabedian | 2 | Daughter | — | Rhode Island |
| 96 | Frank A. Fenner | 65 | Head | Painter | Rhode Island |
| 97 | Minerva S. Fenner | 55 | Wife | — | Rhode Island |
| 98 | Laurence S. Stockdale | 40 | Head | Painter | South America |
| 99 | Margaret Stockdale | 37 | Wife | — | England |
| 100 | Douglas S. Stockdale | 11 | Son | — | England |
Pedigree Summary
Leonard + 1 sibling
Gen 1 · 5 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)