MS
Mary Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Shannon across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1930 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| May Shannon | Son | — | 14 | ~1926 |
| John Shannon | Son | — | 19 | ~1921 |
| Mary Shannon | Spouse | — | 38 | ~1902 |
| Mary Shannon | Daughter | — | 10 | ~1930 |
| Ruby Shannon | Daughter | — | 3 | ~1937 |
| John Shannon | Head | — | 37 | ~1903 |
| Louise Shannon | Daughter | — | 16 | ~1924 |
| Earl Shannon | Son | — | 7 | ~1933 |
Census Appearances
1930
Wayne, Michigan
Daughter, age
Wayne, Michigan · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Alabama |
| Mother's Birthplace | West Virginia |
| Can Read/Write | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 10
Wayne-County, Michigan · implied b. ~1930 — 8 household members
| Surname | Shannon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 4 |
| 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 Shannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shannon
Daughter · 1940 · age 10 · b. ~1930 · Michigan
★ You are viewing this record
Sibling
Louise Shannon
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Shannon
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Shannon
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Shannon
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
May Shannon
Sibling · 1940 · age 14
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-t0627-01847-00279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eric Williams | 46 | Head | Welder | New York |
| 42 | Genevieve Williams | 44 | Wife | — | New York |
| 43 | George Williams | 21 | Son | Trimmer | Michigan |
| 44 | Harmon Wilson | 81 | Head | — | Canada (E) |
| 45 | Joseph Wyatt | 37 | Lodger | Paint Grinder | Tennessee |
| 46 | Bertha Wyatt | 31 | Lodger | — | Tennessee |
| 47 | Willard Wyatt | 14 | Son | — | Tennessee |
| 48 | Helen Wyatt | 5 | Daughter | — | Ohio |
| 49 | Clifford Wyatt | 11 | Son | — | Ohio |
| 50 | Garyle Wyatt | 9 | Son | — | Tennessee |
| 51 | Frank Beach | 53 | Head | Contactman | New York |
| 52 | Josephine Beach | 50 | Wife | — | New York |
| 53 | Frank Jr Beach | 28 | Son | Inspector | New York |
| 54 | William S Beach | 26 | Son | Stock | Michigan |
| 55 | Edward F Beach | 21 | Son | Fruit Peddler | Michigan |
| 56 | Harold L Beach | 19 | Son | — | Michigan |
| 57 | Albert Hale | 64 | Head | Grocery Clerk | Michigan |
| 58 | Jessie Hale | 59 | Wife | — | Michigan |
| 59 | Floyd Hale | 27 | Son | — | Michigan |
| 60 | Virginia Hale | 19 | Daughter | Laborer | Michigan |
| 61 | Leonard Hale | 8 | Grandson | — | Michigan |
| 62 | John W. Shannon | 37 | Head | Miner Tunnel | Alabama |
| 63 | Mary Shannon | 38 | Wife | — | W. Virginia |
| 64 | John W. Jr Shannon | 19 | Son | — | W. Virginia |
| 65 | Louise Shannon | 16 | Daughter | — | Ohio |
| 66 | May Shannon | 14 | Son | — | Michigan |
| 67 | Mary Shannon THIS PERSON | 10 | Daughter | — | Michigan |
| 68 | Earl Shannon | 7 | Son | — | Michigan |
| 69 | Ruby Shannon | 3 | Daughter | — | Michigan |
| 70 | Holly Tracey | 25 | Head | Laborer | Georgia |
| 71 | George Harris | 36 | Lodger | Housework | Georgia |
| 72 | Jean Harris | 24 | Lodger | — | Georgia |
| 73 | Maria Tracey | 23 | Sister | Housework | Georgia |
| 74 | Abraham Jr Tracey | 34 | Brother | Casket Maker | Georgia |
| 75 | Theodore Pinkney | 36 | Lodger | Truck Driver | Alabama |
| 76 | Ella Huckley | 38 | Head | — | Georgia |
| 77 | Clifford Huckley | 21 | Son | — | Ohio |
| 78 | Emaline Huckley | 18 | Daughter | — | Michigan |
| 79 | Dorothy Huckley | 17 | Daughter | — | Michigan |
| 80 | Sam Huckley | 15 | Son | — | 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)