JL
Joseph Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Joseph Leonard across the 1910, 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Abraham & Michael — first a head (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Pawnbroker |
| Industry | Pawn shop |
| Class of Worker | E |
| Hours Worked | 50 |
| Income (1939) | 1568 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Pawnbroker |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1905 |
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 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Martin Leonard | Son | — | 7 | ~1933 |
| Joseph Leonard | Head | — | 35 | ~1905 |
| Alan Leonard | Son | — | 3 | ~1937 |
| Helen Leonard | Spouse | — | 35 | ~1905 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 4
Philadelphia, Pennsylvania · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Son, age 15
Philadelphia, Pennsylvania · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Russia |
| Mother's Birthplace | Pennsylvania |
| Occupation | Errand Boy |
| Industry | Stationery Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Head, age 25
Philadelphia, Pennsylvania · implied b. ~1905 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Pennsylvania |
| Occupation | Owner |
| Industry | Pawnshop |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | Un |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Head, age 35
Philadelphia-County, Pennsylvania · implied b. ~1905 — 4 household members
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | Pawnbroker |
| Industry | Pawn shop |
| Class of Worker | E |
| Hours Worked | 50 |
| Income (1939) | 1568 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Joseph Leonard across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Abraham Leonard (~0.92 confidence) and father Michael Leonard (~0.92 confidence) and mother Annie Leonard (~0.92 confidence) and mother Mary Fields (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Abraham Leonard
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Michael Leonard
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Annie Leonard
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Fields
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Leonard
Head · 1940 · age 35 · b. ~1905 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-03704-00065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Steboen Stanel | 42 | Head | Restaurant Prop | Greece |
| 2 | Anna Stanel | 33 | Wife | — | Greece |
| 3 | Louise Stanel | 12 | Daughter | — | Pennsylvania |
| 4 | Helen Stanel | 10 | Daughter | — | Pennsylvania |
| 5 | Evanthea Stanel | 8 | Daughter | — | Pennsylvania |
| 6 | Joseph Leonard THIS PERSON | 35 | Head | Pawnbroker | Pennsylvania |
| 7 | Helen Leonard | 35 | Wife | — | Pennsylvania |
| 8 | Martin Leonard | 7 | Son | — | Pennsylvania |
| 9 | Alan Leonard | 3 | Son | — | Pennsylvania |
| 10 | Joseph Schmitzus | 63 | Head | — | Pennsylvania |
| 11 | Mary Schmitzus | 61 | Sister | — | Pennsylvania |
| 12 | Harry Schmitzus | 55 | Brother | — | Pennsylvania |
| 13 | Helen Schmitzus | 48 | Sister | — | Pennsylvania |
| 14 | William Schmitzus | 46 | Brother | — | Pennsylvania |
| 17 | Samuel Raymond | 37 | Head | Restaurant Prop | Pennsylvania |
| 18 | Josephine Spaulding | 33 | Lodger | Waitress | S. Carolina |
| 19 | Gertie Mellon | 70 | Lodger | — | S. Carolina |
| 20 | Ruth Habb | 47 | Lodger | Waitress | S. Carolina |
| 26 | Mary Lee | 40 | Head | Housekeeper | Virginia |
| 27 | Plety Howard | 19 | Niece | — | Pennsylvania |
| 28 | Thurmond Golden | 63 | Lodger | — | Virginia |
| 29 | Jennie Golden | 64 | Lodger | — | Virginia |
| 30 | Joshua Bailey | 52 | Lodger | Truck Driver | Virginia |
| 31 | Ethel Bailey | 38 | Lodger | Housekeeper | Virginia |
| 32 | James Trott | 45 | Lodger | — | Virginia |
| 33 | George Houlray | 20 | Lodger | Truck Driver | Pennsylvania |
| 34 | John Kinkaid | 43 | Head | Contractor | Pennsylvania |
| 35 | Helen Kinkaid | 42 | Wife | — | Mass. |
| 36 | Pauline Kinkaid | 21 | Daughter | — | Pennsylvania |
| 37 | John Kinkaid | 16 | Son | — | Pennsylvania |
| 38 | Thomas Jameson | 69 | Head | Floorhand | Pennsylvania |
| 39 | Elizabeth Jameson | 56 | Wife | — | Pennsylvania |
| 40 | Jane Collier | 65 | Lodger | — | Pennsylvania |
Pedigree Summary
Joseph
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 1940 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)