JL
Joseph Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Joseph Leonard across the 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 9-person household.
Age 31
b. ~1909
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Laborer |
| Industry | Mines |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 360 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Wilkesbarre City |
| Est. Birth Year | ~1909 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Grace Leonard | Daughter | — | 24 | ~1916 |
| Elizabeth Leonard | Daughter | — | 18 | ~1922 |
| Florence Leonard | Daughter | — | 20 | ~1920 |
| Edward Leonard | Head | — | 58 | ~1882 |
| Joseph Leonard | Son | — | 31 | ~1909 |
| Eleanor Leonard | Daughter | — | 26 | ~1914 |
| Agnes Leonard | Daughter | — | 28 | ~1912 |
| Agnes Leonard | Spouse | — | 51 | ~1889 |
| Ruth Leonard | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Luzerne, Pennsylvania
Son, age 20
Luzerne, Pennsylvania · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Coal Mines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Son, age 31
Luzerne-County, Pennsylvania · implied b. ~1909 — 9 household members
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Occupation | Laborer |
| Industry | Mines |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 360 |
| Highest Grade | 8 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Leonard
Son · 1940 · age 31 · b. ~1909 · Pennsylvania
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Sibling
Eleanor Leonard
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Leonard
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Leonard
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Leonard
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Leonard
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Leonard
Sibling · 1940 · age 22
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
1940 US Federal Census — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03562-00232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Leonard | 21 | Son | Dyeing Mach | Pennsylvania |
| 42 | Robert Leonard | 20 | Son | — | Pennsylvania |
| 43 | Joseph Leonard | 18 | Son | — | Pennsylvania |
| 44 | Frederick Leonard | 12 | Son | — | Pennsylvania |
| 45 | Francis Leonard | 6 | Son | — | Pennsylvania |
| 46 | Edward Leonard | 58 | Head | Laborer | Pennsylvania |
| 47 | Agnes Leonard | 51 | Wife | — | Pennsylvania |
| 48 | Joseph Leonard THIS PERSON | 31 | Son | Laborer | Pennsylvania |
| 49 | Agnes Leonard | 28 | Daughter | Packer | Pennsylvania |
| 50 | Eleanor Leonard | 26 | Daughter | Packer | Pennsylvania |
| 51 | Grace Leonard | 24 | Daughter | — | Pennsylvania |
| 52 | Ruth Leonard | 22 | Daughter | Dyeing Mach | Pennsylvania |
| 53 | Florence Leonard | 20 | Daughter | — | Pennsylvania |
| 54 | Elizabeth Leonard | 18 | Daughter | — | Pennsylvania |
| 55 | Thomas Mchugh | 53 | Head | Miner | Pennsylvania |
| 56 | Mary Mchugh | 53 | Wife | — | Pennsylvania |
| 57 | Mary Mchugh | 23 | Daughter | — | Pennsylvania |
| 58 | Leonard Mchugh | 20 | Son | Laborer | Pennsylvania |
| 59 | Frances Mchugh | 18 | Son | — | Pennsylvania |
| 60 | Rose Ganter | 32 | Head | — | Pennsylvania |
| 61 | Anna Ganter | 28 | Sister | Laundress | Pennsylvania |
| 62 | Clara Ganter | 24 | Sister | Icer | Pennsylvania |
| 63 | Nellie Ganter | 20 | Sister | Laundress | Pennsylvania |
| 64 | John Ganter | 18 | Brother | Dishwasher | Pennsylvania |
| 65 | Dorothy Ganter | 14 | Sister | — | Pennsylvania |
| 66 | Joan Ganter | 13 | Sister | — | Pennsylvania |
| 67 | Betty Ann Ganter | 7 | Sister | — | Pennsylvania |
| 68 | Charles Mickevicz | 42 | Head | Laborer | Pennsylvania |
| 69 | Stephanie Mickevicz | 42 | Wife | — | Pennsylvania |
| 70 | Casimir Mickevicz | 18 | Daughter | — | Pennsylvania |
| 71 | Agnes Mickevicz | 15 | Daughter | — | Pennsylvania |
| 72 | Frances Mickevicz | 12 | Daughter | — | Pennsylvania |
| 73 | Francis Mickevicz | 8 | Son | — | Pennsylvania |
| 74 | Florence Mickevicz | 6 | Daughter | — | Pennsylvania |
| 75 | Hugh Carr | 38 | Head | Fireman | Pennsylvania |
| 76 | Gale Carr | 33 | Wife | — | Pennsylvania |
| 77 | Robert Carr | 11 | Son | — | Pennsylvania |
| 78 | Hugh Jr. Carr | 9 | Son | — | Pennsylvania |
| 79 | Martha Carr | 6 | Daughter | — | Pennsylvania |
| 80 | Jane Carr | 3 | Daughter | — | Pennsylvania |
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)