MR
Mary Riley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Riley across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents George & George — first a spouse (b.~1879), then head of a 4-person household.
Age 61
b. ~1879
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Riley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1879 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| William Riley | Head | — | 64 | ~1876 |
| Mary Riley | Other | — | 84 | ~1856 |
| William Riley | Son | — | 24 | ~1916 |
| Mary Riley | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Wayne, Michigan
Daughter, age 40
Wayne, Michigan · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | May |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Daughter, age 51
Wayne, Michigan · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Vermont |
| Mother's Birthplace | New York |
| Occupation | clerk |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Spouse, age 61
Wayne-County, Michigan · implied b. ~1879 — 4 household members
| Surname | Riley |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 8 |
| 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 Riley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Riley (~0.60 confidence) and father George Riley (~0.92 confidence) and mother Kate Riley (~0.60 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.71
Father
George Riley
b. ~1877
Source father
● Household
· direct · ~0.6
Father
George Riley
b. ~1848
Source father
● Household
· direct · ~0.92
Mother
Kate Riley
b. ~1875
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Mary Riley
Spouse · 1940 · age 61 · b. ~1879 · Michigan
★ 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 — 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-t0627-01851-00644)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Griffith | 43 | Head | Assembly Line | Virginia |
| 42 | Marie Griffith | 40 | Wife | — | Michigan |
| 43 | William Jr. Griffith | 18 | Son | — | Maryland |
| 44 | Helen Griffith | 16 | Daughter | — | Maryland |
| 45 | Frederick Griffith | 4 | Son | — | Michigan |
| 46 | Charles Dillinger | 48 | Head | House Painter | Pennsylvania |
| 47 | Margaret Dillinger | 46 | Wife | — | Pennsylvania |
| 48 | Will Leitzel | 21 | Nephew | Laborer | Pennsylvania |
| 49 | Isabell Mills | 38 | Lodger | Buyer | Pennsylvania |
| 50 | Pearl Vansandt | 54 | Head | Proprietor | Illinois |
| 51 | Virginia Vansandt | 14 | Niece | — | Michigan |
| 52 | William Vansandt | 5 | Nephew | — | Michigan |
| 53 | Owen Scott | 57 | Lodger | Biller | Canada-E |
| 54 | William Riley | 64 | Head | Auto Mechanic | Canada-E |
| 55 | Mary Riley THIS PERSON | 61 | Wife | — | Michigan |
| 56 | Mary Riley | 84 | Mother | — | Canada-E |
| 57 | William Riley | 24 | Son | Auto Mechanic | Michigan |
| 58 | Ellsworth Cullen | 67 | Head | Experimental | Canada-E |
| 59 | Elizabeth Cullen | 58 | Wife | — | Michigan |
| 60 | William Neil | 68 | Lodger | Engineer | Canada-E |
| 61 | Gletten Adams | 49 | Head | Machinist | Scotland |
| 62 | Janet Adams | 45 | Wife | — | Scotland |
| 63 | Isabel Murray | 22 | Daughter | — | Scotland |
| 64 | Ella Benner | 30 | Lodger | Clerk | Michigan |
| 65 | Oscar H. Larson | 44 | Head | Sheet Metal Worker | Iowa |
| 66 | Katherine Larson | 44 | Wife | — | Michigan |
| 67 | Ellen Larson | 13 | Daughter | — | Michigan |
| 68 | Basil Mcmanus | 40 | Lodger | Mechanic | Michigan |
| 69 | Augustino Nicolai | 42 | Lodger | Wholesale Produce | Italy |
| 70 | Patrick Mcdonough | 48 | Head | Mechanic | Michigan |
| 71 | Sarah Mcdonough | 41 | Wife | — | Michigan |
| 72 | Charles Mcdonough | 21 | Son | Spray Painter | Michigan |
| 73 | Richard Mcdonough | 15 | Son | New Worker | Michigan |
| 74 | Raymond Mcdonough | 13 | Son | New Worker | Michigan |
| 75 | Robert Cameron | 44 | Lodger | Grinder | Ohio |
| 76 | Robert Thomas | 46 | Head | Machinist | England |
| 77 | Edith Thomas | 42 | Wife | — | Michigan |
| 78 | Helen Lychett | 33 | Daughter | — | Michigan |
| 79 | Andrew Lychett | 38 | Son in law | Customer | Michigan |
| 80 | Andrew Jr. Lychett | 14 | Grandson | — | Michigan |
Pedigree Summary
Mary
Gen 1 · 3 parents
~0.71
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)