LS
Leonard Smith — 1920 US Census Record
Model Tree available1920 United States Federal Census · San Francisco, California
Our Model Tree links this Leonard Smith across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Leonard & Leonard — first a son (b.~1899), then head of a 5-person household.
Age 21
b. ~1899
Male
Son
Born: California
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | San Francisco, California |
| Surname | Smith |
| Given Name | Leonard Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Helper |
| Industry | Ironworks |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Helper |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1899 |
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 1920 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Margaret Smith | Daughter | — | 18 | ~1902 |
| Leonard Smith | Head | — | 57 | ~1863 |
| Leonard Smith | Son | — | 21 | ~1899 |
| Sylvester Smith | Son | — | 15 | ~1905 |
| Maria Smith | Spouse | — | 55 | ~1865 |
Census Appearances
1900
San Francisco, …
Son, age 2
San Francisco, California · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leonard P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Birth Month | Oct |
| Birth Year | 1898 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Ireland |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1910
San Francisco, …
Son, age 11
San Francisco, California · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leonora P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 21
San Francisco, California · implied b. ~1899 — 5 household members
| Surname | Smith |
| Given Name | Leonard Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Ireland |
| Occupation | Helper |
| Industry | Ironworks |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Leonard Smith across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage. Identified parents: father Leonard Smith (~0.92 confidence) and father Leonard Smith (~0.92 confidence) and mother Maria Smith (~0.92 confidence) and mother Maria Smith (~0.92 confidence) and mother Maria Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leonard Smith
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Leonard Smith
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Maria Smith
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Maria Smith
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Maria Smith
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Smith
Son · 1920 · age 21 · b. ~1899 · California
★ You are viewing this record
Sibling
Margaret Smith
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvester Smith
Sibling · 1920 · age 15
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
1920 US Federal Census — San Francisco, California
Open full size
1920 US Federal Census — San Francisco, California
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu142unit:0096)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Milovich | 12 | Son | — | California |
| 2 | Martha Tynnell | 29 | Boarder | Laborer | Maryland |
| 3 | Raymond Perkins | 40 | Head | Mechanic | Mississippi |
| 4 | Beulah Perkins | 38 | Wife | Housewife | South Carolina |
| 5 | Raymond Jr. Perkins | 17 | Son | Machinist | Mississippi |
| 6 | Lawrence Perkins | 13 | Son | Stock Clerk | Louisiana |
| 7 | Ellison C. Perkins | 11 | Son | — | California |
| 8 | Gertrude Perkins | 4 | Daughter | — | California |
| 9 | Edwin L. Green | 47 | Head | Carpenter | Wisconsin |
| 10 | Mary Green | 43 | Wife | Housewife | Ireland |
| 11 | Hester Jensen | 40 | Head | Nurse | Germany |
| 12 | Herman Jensen | 13 | Son | — | California |
| 13 | Roland Jensen | 9 | Son | — | California |
| 14 | Emma Locke | 58 | Sister in law | Housewife | Germany |
| 15 | Frank Monahan | 51 | Head | Laborer | Ireland |
| 16 | Johana Monahan | 45 | Wife | Housewife | Ireland |
| 17 | Amos Morris | 61 | Head | Carpenter | Wisconsin |
| 18 | Winifred Morris | 46 | Wife | Housewife | Iowa |
| 19 | Frances Morris | 20 | Daughter | Draftswoman | Iowa |
| 20 | Donald Morris | 18 | Son | Mechanic | California |
| 21 | Charles Peterson | 69 | Head | — | Denmark |
| 22 | Mathilda Peterson | 30 | Daughter | Candy Dipper | California |
| 23 | Theodore Peterson | 49 | Son | Laborer | California |
| 24 | Hazel Peterson | 4 | Daughter | — | California |
| 25 | Olaf Dederlund | 42 | Head | Wood Worker | Sweden |
| 26 | Ellen Dederlund | 33 | Wife | Housewife | Sweden |
| 27 | Hjalmer Dederlund | 35 | Brother in law | Mechanic | Sweden |
| 28 | Elsa Dederlund | 12 | Daughter | — | Rhode Island |
| 29 | Jack H. Bennett | 64 | Head | Electrician | New York |
| 30 | Edmund Kappel | 25 | Son in law | Mechanic | Kansas |
| 31 | Ethel Kappel | 30 | Daughter | Housewife | Washington |
| 32 | Leonard Smith | 57 | Head | Carpenter | Kentucky |
| 33 | Maria Smith | 55 | Wife | Housewife | Ireland |
| 34 | Leonard Jr. Smith THIS PERSON | 21 | Son | Helper | California |
| 35 | Margaret Smith | 18 | Daughter | Multigraphing | California |
| 36 | Sylvester Smith | 15 | Son | — | California |
| 37 | Magda Nelson | 36 | Head | Housewife | Norway |
| 38 | Thelma Nelson | 12 | Daughter | — | California |
| 39 | Rose Nelson | 10 | Daughter | — | California |
| 40 | Edward Hassett | 54 | Head | Teacher | Utah |
| 41 | Bess B. Hassett | 24 | Daughter | Salesgirl | Oregon |
| 42 | Henry Quarchi | 56 | Head | Porter | Germany |
| 43 | Sophie Quarchi | 54 | Wife | Housewife | Germany |
| 44 | Anna Quarchi | 31 | Daughter | Tailoress | California |
| 45 | William Tesca | 34 | Head | Shipper | Germany |
| 46 | Henrietta Tesca | 28 | Wife | Housewife | Germany |
| 47 | Helmut Tesca | 2 | Son | — | California |
| 48 | Pauline Hedan | 48 | Head | Cooking | Sweden |
| 49 | Ernest Larson | 26 | Nephew | Lumberman | Sweden |
Related Census Records
Pedigree Summary
Leonard + 2 siblings
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 1920 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)