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John Reardon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this John Reardon across the 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Reardon |
| Given Name | John Richard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1927 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Vincent Reardon | Son | — | 8 | ~1932 |
| Catherine Reardon | Spouse | — | 48 | ~1892 |
| George Reardon | Son | — | 17 | ~1923 |
| Helen Reardon | Daughter | — | 21 | ~1919 |
| John Reardon | Son | — | 13 | ~1927 |
| George Reardon | Head | — | 48 | ~1892 |
Census Appearances
1930
Jackson, Missouri
Son, age 3
Jackson, Missouri · implied b. ~1927 — 9 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 | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Son, age 13
Jackson-County, Missouri · implied b. ~1927 — 6 household members
| Surname | Reardon |
| Given Name | John Richard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Reardon
Son · 1940 · age 13 · b. ~1927 · Missouri
★ You are viewing this record
Sibling
George Reardon
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Reardon
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Reardon
Sibling · 1940 · age 8
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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02178-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E. Thomson | 53 | wife | — | Kansas |
| 2 | Edwin H. Thomson | 30 | son | Record Clerk | Missouri |
| 3 | Mary Frances Thomson | 22 | daughter | Clerk Educational | Missouri |
| 4 | Elmer P. Smith | 54 | head | Letter Carrier | Missouri |
| 5 | Anna Grace Smith | 53 | wife | — | North Wales |
| 6 | Parry Smith | 22 | son | Stenographer | Missouri |
| 7 | Barbara Smith | 19 | daughter | — | Missouri |
| 8 | John W. Burner | 46 | head | Clerk | Missouri |
| 9 | Esther E. Burner | 45 | wife | — | Missouri |
| 10 | Harry W. Jr. Haynes | 31 | head | Painter | Kansas |
| 11 | Gwendolyn Haynes | 26 | wife | — | Missouri |
| 12 | Donald William Haynes | 5 | son | — | Missouri |
| 13 | James E. Haynes | 25 | brother | Shipping Clerk | Missouri |
| 14 | George M. Reardon | 48 | head | Machinist | Missouri |
| 15 | Catherine Reardon | 48 | wife | Bundle Clerk | Missouri |
| 16 | Helen Reardon | 21 | daughter | — | Missouri |
| 17 | George M. Jr. Reardon | 17 | son | Wire Worker | Missouri |
| 18 | John Richard Reardon THIS PERSON | 13 | son | — | Missouri |
| 19 | Vincent Leroy Reardon | 8 | son | — | Missouri |
| 20 | Charles E. Thomson | 37 | head | Attorney | Missouri |
| 21 | Louise V. Thomson | 32 | wife | — | Missouri |
| 22 | June Louise Thomson | 4 | daughter | — | Missouri |
| 23 | Charles E. Jr. Thomson | 1 | son | — | Missouri |
| 24 | Wilta E. Stark | 19 | maid | Part Time Maid | Missouri |
| 25 | Emmanuel H. Derr | 45 | head | Auditing Clerk | Illinois |
| 26 | Lucille M. Derr | 43 | wife | — | Missouri |
| 27 | Emmanuel Jr. Derr | 16 | son | — | Missouri |
| 28 | Thomas Derr | 14 | son | — | Missouri |
| 29 | William F. Lazzell | 53 | head | Broom Maker | Missouri |
| 30 | Sarah S. Lazzell | 46 | wife | — | Missouri |
| 31 | Taft J. Pollard | 30 | head | Mechanical Engineer | Nebraska |
| 32 | Eloise E. Pollard | 28 | wife | — | Nebraska |
| 33 | Ralph S. Viets | 56 | head | Mechanic | Missouri |
| 34 | Isophene S. Viets | 55 | wife | Dress Maker | Missouri |
| 35 | Allie J. Finch | 18 | niece | Mail Order Clerk | Missouri |
| 36 | John F. Weibel | 52 | head | Dept. Foreman | Kansas |
| 37 | Nellie E. Weibel | 51 | wife | — | Kansas |
| 38 | Barbara M. Weibel | 23 | daughter | Waitress | Kansas |
| 39 | Harlan A. Weibel | 20 | son | Parking Station | Kansas |
| 40 | Annetta Weibel | 16 | daughter | — | Missouri |
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)