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John Reardon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sandusky-County, Ohio
Our Model Tree links this John Reardon across the 1920, 1930 and 1940 US Censuses in Sandusky-County, Ohio (XGBoost, ~Confirmed), with identified parents Timothy & W — first a head (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sandusky-County, Ohio |
| Surname | Reardon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Fremont City |
| 1935 Residence (County) | Sandusky |
| Additional Details | |
| Occupation | Laborer |
| Industry | Drop Forging |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 900 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Fremont City |
| Est. Birth Year | ~1913 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| James Reardon | Son | — | 4 | ~1936 |
| Helen Brown | Other | — | 26 | ~1914 |
| Jessie Reardon | Spouse | — | 25 | ~1915 |
| John Reardon | Head | — | 27 | ~1913 |
Census Appearances
1920
Sandusky, Ohio
Son, age 6
Sandusky, Ohio · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reardon |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Sandusky, Ohio
Son, age 17
Sandusky, Ohio · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reardon |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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
Sandusky-County, Ohio
Head, age 27
Sandusky-County, Ohio · implied b. ~1913 — 4 household members
| Surname | Reardon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Fremont City |
| 1935 Residence (County) | Sandusky |
| Occupation | Laborer |
| Industry | Drop Forging |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 900 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| 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 John Reardon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Timothy Reardon (~0.92 confidence) and father W Reardon (~0.92 confidence) and mother Mary Reardon (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Timothy Reardon
b. ~1874
Source father
● Household
· direct · ~0.92
Father
W Reardon
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Reardon
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Reardon
Head · 1940 · age 27 · b. ~1913 · Ohio
★ 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 — Sandusky-County, Ohio
Open full size
1940 US Federal Census — Sandusky-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03139-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Orville Overmyer | 22 | Head | Laborer | Ohio |
| 42 | Delores Overmyer | 17 | Daughter | Laborer | Ohio |
| 43 | Milan Overmyer | 14 | Son | — | Ohio |
| 44 | Lewis Hirth | 70 | Head | — | Ohio |
| 45 | Lena M. Hirth | 66 | Wife | — | Ohio |
| 46 | Irvin Gonyea | 26 | Head | Custodian | Ohio |
| 47 | Lucille Gonyea | 20 | Wife | — | Ohio |
| 48 | Eugene Gonyea | 1 | Son | — | Ohio |
| 49 | Edmond Morrison | 47 | Head | Cutter | Ohio |
| 50 | Luella Morrison | 45 | Wife | — | Ohio |
| 51 | Edmond Jr. Morrison | 22 | Son | — | Ohio |
| 52 | Herbert E. Morrison | 14 | Son | Delivering Bag | Ohio |
| 53 | John Oliver | 46 | Head | Plumber | Ohio |
| 54 | Pearl Oliver | 52 | Wife | — | Ohio |
| 55 | Richard Oliver | 21 | Son | Collector | Ohio |
| 56 | Robert Oliver | 8 | Son | — | Ohio |
| 57 | John Reardon THIS PERSON | 27 | Head | Laborer | Ohio |
| 58 | Jessie Reardon | 25 | Wife | — | Ohio |
| 59 | James Reardon | 4 | Son | — | Ohio |
| 60 | Helen Brown | 26 | Lodger | Waitress | Ohio |
| 61 | Emil Wasserman | 69 | Head | Tailor | Germany |
| 62 | Mary Wasserman | 66 | Wife | — | Ohio |
| 63 | Alvin Wasserman | 37 | Son | Carpenter | Ohio |
| 64 | Herbert Wasserman | 27 | Son | Painter | Ohio |
| 65 | James Collier | 51 | Head | Press Operator | Ohio |
| 66 | Amelia Collier | 54 | Wife | — | Ohio |
| 67 | Walter Collier | 20 | Son | Press Operator | Ohio |
| 68 | Leona Collier | 18 | Daughter | Sales Clerk | Ohio |
| 69 | Ruby Collier | 15 | Daughter | — | Ohio |
| 70 | Emmy Zweiman | 73 | Head | — | Ohio |
| 71 | Arthur Dukey | 45 | Head | Engineer | Indiana |
| 72 | Lillian Dukey | 40 | Wife | — | Indiana |
| 73 | Thelma Dukey | 20 | Daughter | House Maid | Indiana |
| 74 | Talbert Dukey | 18 | Son | Laborer | Indiana |
| 75 | Helen Dukey | 15 | Daughter | — | Indiana |
| 76 | John Dukey | 12 | Son | — | Indiana |
| 77 | Lillian Dukey | 6 | Son | — | Ohio |
| 78 | Mary Ann Dukey | 2 | Daughter | — | Ohio |
| 79 | Clifford Hoffman | 47 | Head | Laborer | Ohio |
| 80 | Nellie Hoffman | 51 | Wife | — | Ohio |
Pedigree Summary
John
Gen 1 · 3 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)