MR
Mary Reardon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Reardon across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Reardon |
| Given Name | Mary D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Reardon | Son | — | 2 | ~1938 |
| Christine Reardon | Daughter | — | 7 | ~1933 |
| William Reardon | Head | — | 36 | ~1904 |
| Mary Reardon | Spouse | — | 32 | ~1908 |
| John Reardon | Son | — | 4 | ~1936 |
| Margaret Reardon | Daughter | — | 9 | ~1931 |
| Mary Reardon | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 1
Wayne, Michigan · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reardon |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Tennessee |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 11
Wayne-County, Michigan · implied b. ~1929 — 7 household members
| Surname | Reardon |
| Given Name | Mary D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Mary Reardon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Reardon
Daughter · 1940 · age 11 · b. ~1929 · Michigan
★ You are viewing this record
Sibling
John Reardon
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christine Reardon
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Reardon
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Reardon
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01881-00607)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Benfield William Banfield | 9 | Son | — | England |
| 42 | John Banfield | 3 | Son | — | England |
| 43 | Ernest J. Cook | 34 | Head | Dues Rubber | Canada Eng |
| 44 | Jane Cook | 31 | Wife | — | Canada Eng |
| 45 | William Cook | 9 | Son | — | Michigan |
| 46 | Joan Cook | 6 | Daughter | — | Michigan |
| 47 | George Nass | 47 | Head | Painter | Michigan |
| 48 | Hazel Nass | 50 | Wife | — | Indiana |
| 49 | Richard Nass | 14 | Son | — | Michigan |
| 50 | Jean Nass | 11 | Daughter | — | Michigan |
| 51 | John Clark | 39 | Head | Wpa | Pennsylvania |
| 52 | Ethel Clark | 36 | Wife | — | Pennsylvania |
| 53 | Lora Clark | 14 | Daughter | — | Pennsylvania |
| 54 | Meagon Clark | 12 | Daughter | — | Pennsylvania |
| 55 | Synella Clark | 10 | Daughter | — | Pennsylvania |
| 56 | William Reardon | 36 | Head | Grinder | Michigan |
| 57 | Mary B. Reardon | 32 | Wife | — | Tennessee |
| 58 | Mary D. Reardon THIS PERSON | 11 | Daughter | — | Michigan |
| 59 | Margaret A. Reardon | 9 | Daughter | — | Michigan |
| 60 | Christine Reardon | 7 | Daughter | — | Michigan |
| 61 | John Reardon | 4 | Son | — | Michigan |
| 62 | James Reardon | 2 | Son | — | Michigan |
| 63 | Beatrice Kavelman | 31 | Head | — | Michigan |
| 64 | Virginia Kavelman | 14 | Daughter | — | Michigan |
| 65 | John Kavelman | 13 | Son | — | Michigan |
| 66 | Thomas Kavelman | 5 | Son | — | Michigan |
| 67 | Spencer Kimmerly | 26 | Head | Clerical | Michigan |
| 68 | Anna Kimmerly | 24 | Wife | — | Michigan |
| 69 | Shirley Kimmerly | 4 | Daughter | — | Michigan |
| 70 | Marie Kimmerly | 2 | Daughter | — | Michigan |
| 71 | Edward Bradley | 38 | Head | Utility (Shop) | Pennsylvania |
| 72 | Adeline Bradley | 39 | Wife | Assembler | Canada Eng |
| 73 | Eileen Bradley | 5 | Daughter | — | Michigan |
| 74 | Atilee Church | 28 | Head | Mechanic | Michigan |
| 75 | Lillian Church | 26 | Wife | — | Michigan |
| 76 | Arline Church | 6 | Daughter | — | Michigan |
| 77 | Delores Church | 4 | Daughter | — | Michigan |
| 78 | James B. Romzek | 29 | Head | Assembler | Michigan |
| 79 | Margaret Romzek | 25 | Wife | — | Michigan |
| 80 | Mary E. Romzek | 0 | Daughter | — | Michigan |
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)