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Margaret Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ashtabula-County, Ohio
Our Model Tree links this Margaret Leonard across the 1930 and 1940 US Censuses in Ashtabula-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ashtabula-County, Ohio |
| Surname | Leonard |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Jefferson |
| 1935 Residence (County) | Ashtabula |
| Additional Details | |
| Highest Grade | H 3 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Ashtabula City |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Charles Leonard | Son | — | 11 | ~1929 |
| James Leonard | Son | — | 5 | ~1935 |
| Margaret Leonard | Daughter | — | 18 | ~1922 |
| Florence Leonard | Spouse | — | 36 | ~1904 |
| Florence Leonard | Daughter | — | 16 | ~1924 |
| Josephine Leonard | Daughter | — | 9 | ~1931 |
| Lewis Leonard | Head | — | 45 | ~1895 |
| Lewis Leonard | Son | — | 14 | ~1926 |
Census Appearances
1930
Ashtabula, Ohio
Daughter, age 8
Ashtabula, Ohio · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Ashtabula-County, Ohio
Daughter, age 18
Ashtabula-County, Ohio · implied b. ~1922 — 8 household members
| Surname | Leonard |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Jefferson |
| 1935 Residence (County) | Ashtabula |
| Highest Grade | H 3 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Margaret Leonard across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Leonard
Daughter · 1940 · age 18 · b. ~1922 · Ohio
★ You are viewing this record
Sibling
James Leonard
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Leonard
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Leonard
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Leonard
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Leonard
Sibling · 1940 · age 9
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 — Ashtabula-County, Ohio
Open full size
1940 US Federal Census — Ashtabula-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03023-00293)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Paren | 46 | Head | Fireman | Italy |
| 2 | Julia Cardinal | 50 | Sister | — | Italy |
| 3 | Frankie Paren | 16 | Nephew | — | Ohio |
| 4 | Lewis Merline | 58 | Lodger | Laborer | Italy |
| 5 | Joseph Bennett | 28 | Head | Car Washer | South Carolina |
| 6 | Charlotte Bennett | 23 | Step-sister | — | South Carolina |
| 7 | Susie Bennett | 17 | Step-sister | — | South Carolina |
| 8 | William Small | 48 | Head | Janitor | South Carolina |
| 9 | Frank Dondrea | 55 | Head | Laborer | Italy |
| 10 | Mary Dondrea | 43 | Wife | — | Ohio |
| 11 | William Dondrea | 23 | Son | New Worker | Ohio |
| 12 | Carmel Dondrea | 21 | Daughter | Waitress | Ohio |
| 13 | Laura Dondrea | 16 | Daughter | — | Ohio |
| 14 | Joseph Dondrea | 13 | Son | — | Ohio |
| 15 | Marjorie Dondrea | 11 | Daughter | — | Ohio |
| 16 | Gloria Dondrea | 7 | Daughter | — | Ohio |
| 17 | John Asso | 75 | Head | — | Italy |
| 18 | Sophia George | 53 | Head | — | Lebanon Syria |
| 19 | George M. George | 31 | Son | Mail Clerk | Ohio |
| 20 | Leslie George | 27 | Son | — | Ohio |
| 21 | Leo George | 23 | Son | — | Ohio |
| 22 | Al H. Winegates | 43 | Head | Fireman | Ohio |
| 23 | Allen Patterson | 53 | Head | Brakeman | Pennsylvania |
| 24 | Pauline Patterson | 48 | Wife | — | Pennsylvania |
| 25 | Isaac Sanfield | 34 | Son-in-law | Helper | Ohio |
| 26 | Leona Sanfield | 31 | Daughter | — | New York |
| 27 | Lewis Leonard | 45 | Head | Assistant Shipping Clerk | Ohio |
| 28 | Florence Leonard | 36 | Wife | — | Ohio |
| 29 | Margaret Leonard THIS PERSON | 18 | Daughter | — | Ohio |
| 30 | Florence Leonard | 16 | Daughter | — | Ohio |
| 31 | Lewis Jr. Leonard | 14 | Son | — | Ohio |
| 32 | Charles Leonard | 11 | Son | — | Ohio |
| 33 | Josephine Leonard | 9 | Daughter | — | Ohio |
| 34 | James Leonard | 5 | Son | — | Ohio |
| 35 | Henry Patterson | 50 | Head | Painter And Decorator | Pennsylvania |
| 36 | Alice Patterson | 44 | Wife | — | Pennsylvania |
| 37 | Floyd Patterson | 22 | Son | Store Clerk | Pennsylvania |
| 38 | Chambers William Patterson | 11 | Grandson | — | Ohio |
| 39 | Fred Loftus | 57 | Head | Operator Restaurant | Ohio |
| 40 | Emma Loftus | 48 | Wife | Helper In Restaurant | Pennsylvania |
Related Census Records
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)