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Thomas Leonard — 1930 US Census Record
Model Tree available1930 United States Federal Census · Delaware, Pennsylvania
Our Model Tree links this Thomas Leonard across the 1910, 1920 and 1930 US Censuses in Delaware, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Annie — first a head (b.~1898), then head of a 5-person household.
Age 32
b. ~1898
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Delaware, Pennsylvania |
| Surname | Leonard |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 18 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Machinist |
| Industry | Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Upper Darby Pt Twp |
| Est. Birth Year | ~1898 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Leonard | Son | — | 8 | ~1922 |
| Thomas Leonard | Head | — | 32 | ~1898 |
| Barbara Leonard | Daughter | — | 12 | ~1918 |
| Mary Leonard | Spouse | — | 32 | ~1898 |
| Lillian Leonard | Daughter | — | 10 | ~1920 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 10
Philadelphia, Pennsylvania · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Head, age 21
Philadelphia, Pennsylvania · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Thomas J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | Foundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Head, age 32
Delaware, Pennsylvania · implied b. ~1898 — 5 household members
| Surname | Leonard |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 18 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| 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 Thomas Leonard across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father John Leonard (~0.92 confidence) and mother Annie Leonard (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Leonard
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Annie Leonard
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Leonard
Head · 1930 · age 32 · b. ~1898 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Delaware, Pennsylvania
Open full size
1930 US Federal Census — Delaware, Pennsylvania
Page Contents
47 people indexed on this census page (ia:1930:fifteenthcensus00reel2033:0728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John R Fullenbecker | 21 | Son | — | Pennsylvania |
| 2 | John Hanley | 33 | Head | Salesman | Pennsylvania |
| 3 | Marian Hanley | 25 | Wife | Chemist | Pennsylvania |
| 4 | Isaac Mittleman | 30 | Head | Paperhanger | Pennsylvania |
| 5 | Julia Mittleman | 29 | Wife | — | Pennsylvania |
| 6 | Victor Mittleman | 10 | Son | — | Pennsylvania |
| 7 | Frances Mittleman | 8 | Daughter | — | Pennsylvania |
| 8 | Shirley Mittleman | 7 | Daughter | — | Pennsylvania |
| 9 | John Reilly | 23 | Head | Mechanic | Pennsylvania |
| 10 | Julia Reilly | 22 | Wife | — | Pennsylvania |
| 11 | Julia Reilly | 3 | Daughter | — | Pennsylvania |
| 12 | Jennie Reilly | 1 | Daughter | — | Pennsylvania |
| 13 | Martin Maloney | 35 | Head | Carpenter | England |
| 14 | Mary Maloney | 28 | Wife | — | Ireland |
| 15 | Teresa Maloney | 4 | Daughter | — | Pennsylvania |
| 16 | Margaret Maloney | 2 | Daughter | — | Pennsylvania |
| 17 | Willard Ott | 29 | Head | Agent | Pennsylvania |
| 18 | Laura Ott | 24 | Wife | — | Pennsylvania |
| 19 | Willard Ott | 1 | Son | — | Pennsylvania |
| 20 | Robert Mclimans | 40 | Head | Laborer | New Jersey |
| 21 | Margaret Mclimans | 39 | Wife | — | Pennsylvania |
| 22 | Christopher Mclimans | 12 | Son | — | Pennsylvania |
| 23 | Howard Kauffman | 39 | Head | Lather | Pennsylvania |
| 24 | Alice Kauffman | 34 | Wife | — | Pennsylvania |
| 25 | Norma Kauffman | 7 | Daughter | — | Pennsylvania |
| 29 | Howard Bennet | 30 | Head | Manager | Delaware |
| 30 | Catherine Bennet | 35 | Wife | — | Rhode Island |
| 31 | George Murphy | 28 | Boarder | Laborer | Pennsylvania |
| 32 | Thomas Barrow | 37 | Head | Salesman | England |
| 33 | Isabelle Barrow | 37 | Wife | — | Pennsylvania |
| 34 | Mildred Barrow | 14 | Daughter | — | Pennsylvania |
| 35 | Thomas Leonard THIS PERSON | 32 | Head | Machinist | Pennsylvania |
| 36 | Mary Leonard | 32 | Wife | — | Pennsylvania |
| 37 | Barbara Leonard | 12 | Daughter | — | Pennsylvania |
| 38 | Lillian Leonard | 10 | Daughter | — | Pennsylvania |
| 39 | Thomas Leonard | 8 | Son | — | Pennsylvania |
| 40 | Charles Mendenhall | 40 | Head | Bricklayer | Pennsylvania |
| 41 | Mary Mendenhall | 39 | Wife | — | Pennsylvania |
| 42 | Elsie Mendenhall | 14 | Daughter | Stenographer | Pennsylvania |
| 43 | Isadore Morgan | 34 | Head | Printer | Pennsylvania |
| 44 | Dorothy Morgan | 20 | Wife | — | Pennsylvania |
| 45 | Virginia Morgan | 13 | Daughter | — | Pennsylvania |
| 46 | Clarence Miller | 30 | Head | Manager | Massachusetts |
| 47 | Mary Miller | 26 | Wife | — | Canada |
| 48 | Charles Labiak | 25 | Head | Mechanic | Pennsylvania |
| 49 | Dorothy Labiak | 24 | Wife | — | Pennsylvania |
| 50 | Edward Reckess | 49 | Head | Accountant | Pennsylvania |
Pedigree Summary
Thomas
Gen 1 · 2 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)