MC
Mary Cronin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Mary Cronin across the 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 23-person household.
Age 2
b. ~1928
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Cronin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1928 |
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.
23 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Cronin | Daughter | — | ~1930 | |
| Thomas Cronin | Son | — | 1 | ~1929 |
| Catherine Cronin | Daughter | — | ~1930 | |
| Alice Cronin | Daughter | — | ~1930 | |
| William Cronin | Son | — | 11 | ~1919 |
| John Cronin | Son | — | 7 | ~1923 |
| Margaret Cronin | Daughter | — | ~1930 | |
| Hilda Cronin | Spouse | — | 37 | ~1893 |
| Frances Cronin | Daughter | — | ~1930 | |
| Grace Cronin | Daughter | — | ~1930 | |
| Lillian Cronin | Daughter | — | ~1930 | |
| Marie Cronin | Daughter | — | ~1930 | |
| Dorothy Cronin | Daughter | — | ~1930 | |
| Elizabeth Cronin | Daughter | — | ~1930 | |
| James Cronin | Son | — | 4 | ~1926 |
| Martha Cronin | Daughter | — | ~1930 | |
| Rose Cronin | Daughter | — | ~1930 | |
| Robert Cronin | Son | — | 13 | ~1917 |
| Mildred Cronin | Daughter | — | ~1930 | |
| Ruth Cronin | Daughter | — | ~1930 | |
| William Cronin | Head | — | 41 | ~1889 |
| Mary Cronin | Daughter | — | 2 | ~1928 |
| Helen Cronin | Daughter | — | ~1930 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 2
Wayne, Michigan · implied b. ~1928 — 23 household members
| Surname | Cronin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 13
Wayne-County, Michigan · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cronin |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Industry | 0 |
| Highest Grade | 7 |
| 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 Cronin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cronin
Daughter · 1930 · age 2 · b. ~1928 · Michigan
★ You are viewing this record
Sibling
Grace Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cronin
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cronin
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Cronin
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Cronin
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cronin
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cronin
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cronin
Sibling · 1930 · age
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
1930 US Federal Census — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel986:1022)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lulu Collaid | 66 | Wife | — | Michigan |
| 2 | Lulu Collaid | 25 | Daughter | Stenographer | Michigan |
| 3 | John Collaid | 25 | Son | Tool Maker | Michigan |
| 4 | Bartholomew Foley | 42 | Head | Trucker | Michigan |
| 5 | Mary Foley | 43 | Wife | — | Canada English |
| 6 | Mabel Foley | 13 | Daughter | — | Michigan |
| 7 | John G. Larsen | 43 | Head | Foreman | Pennsylvania |
| 8 | Ellen D. Larsen | 41 | Wife | Stenographer | Michigan |
| 9 | Kenneth H. Larsen | 11 | Son | Assembler | Pennsylvania |
| 10 | Ross W. Larsen | 18 | Son | — | Michigan |
| 11 | Betty Anderson | 39 | Head | — | Michigan |
| 12 | Richard Anderson | 14 | Son | — | Michigan |
| 13 | Truman Baker | 47 | Head | Foreman | Pennsylvania |
| 14 | Lilla Baker | 41 | Wife | — | Pennsylvania |
| 15 | Truman Jr. Baker | 17 | Son | — | Michigan |
| 16 | William Baker | 15 | Son | Machinist | Pennsylvania |
| 17 | Robert Baker | 12 | Son | — | Michigan |
| 18 | John Baker | 10 | Son | — | Michigan |
| 19 | Edward Tregent | 30 | Head | Architect | Michigan |
| 20 | Lillian Tregent | 28 | Wife | — | Denmark |
| 21 | Edward Jr. Tregent | 7 | Son | — | Michigan |
| 22 | Lillian Tregent | 4 | Daughter | — | Michigan |
| 23 | Lucille Tregent | 1 | Daughter | — | Michigan |
| 24 | William Abbey | 47 | Head | Cutter | England |
| 25 | Elizabeth Abbey | 47 | Wife | — | Scotland |
| 26 | William Abbey | 25 | Son | Clerk | Michigan |
| 27 | Robert Abbey | 15 | Son | — | Michigan |
| 28 | William Cronin | 41 | Head | Clerk | Michigan |
| 29 | Hilda Cronin | 37 | Wife | — | Michigan |
| 30 | Robert Cronin | 13 | Son | — | Michigan |
| 31 | William Jr. Cronin | 11 | Son | — | Michigan |
| 32 | John Cronin | 7 | Son | — | Michigan |
| 33 | James Cronin | 4 | Son | — | Michigan |
| 34 | Mary Cronin THIS PERSON | 2 | Daughter | — | Michigan |
| 35 | Thomas Cronin | 1 | Son | — | Michigan |
| 36 | Catherine Cronin | 0 | Daughter | — | Michigan |
| 37 | Margaret Cronin | 0 | Daughter | — | Michigan |
| 38 | Elizabeth Cronin | 0 | Daughter | — | Michigan |
| 39 | Helen Cronin | 0 | Daughter | — | Michigan |
| 40 | Alice Cronin | 0 | Daughter | — | Michigan |
| 41 | Grace Cronin | 0 | Daughter | — | Michigan |
| 42 | Ruth Cronin | 0 | Daughter | — | Michigan |
| 43 | Dorothy Cronin | 0 | Daughter | — | Michigan |
| 44 | Mildred Cronin | 0 | Daughter | — | Michigan |
| 45 | Frances Cronin | 0 | Daughter | — | Michigan |
| 46 | Lillian Cronin | 0 | Daughter | — | Michigan |
| 47 | Rose Cronin | 0 | Daughter | — | Michigan |
| 48 | Marie Cronin | 0 | Daughter | — | Michigan |
| 49 | Anna Cronin | 0 | Daughter | — | Michigan |
| 50 | Martha Cronin | 0 | Daughter | — | Michigan |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)