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Mary Brennan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Mary Brennan across the 1920, 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 5-person household.
Age 37
b. ~1893
Female
Spouse
Born: Canada
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Brennan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Canada |
| Naturalization Status | Alien |
| Year of Immigration | 1913 |
| Age at First Marriage | 19 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1893 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eula Brennan | Daughter | — | 13 | ~1917 |
| Helen Brennan | Daughter | — | 12 | ~1918 |
| Thomas Brennan | Head | — | 41 | ~1889 |
| Alice Lloyd | Other | — | 43 | ~1887 |
| Mary Brennan | Spouse | — | 37 | ~1893 |
Census Appearances
1920
Wayne, Michigan
Spouse, age 25
Wayne, Michigan · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Marion |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Canada |
| Year of Immigration | 1908 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | French |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1930
Wayne, Michigan
Spouse, age 37
Wayne, Michigan · implied b. ~1893 — 5 household members
| Surname | Brennan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Canada |
| Naturalization Status | Alien |
| Year of Immigration | 1913 |
| Age at First Marriage | 19 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1940
Wayne-County, Michigan
Spouse, age 48
Wayne-County, Michigan · implied b. ~1892 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Mae |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Canada |
| 1935 Residence (City) | Highland Park City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 Brennan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Brennan
Spouse · 1930 · age 37 · b. ~1893 · Michigan
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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
48 people indexed on this census page (ia:1930:michigancensus00reel1037:1019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Eugene Hauck | 35 | Roomer | Salesman | Michigan |
| 52 | Ruth Mcleod | 59 | Head | — | Canada |
| 53 | Hazel Mcleod | 35 | Daughter | Stenographer | Canada |
| 54 | Henry Hollenberg | 24 | Roomer | Electrician | Germany |
| 55 | Frances Clement | 77 | Aunt | — | Canada |
| 56 | Earl L. Crotser | 23 | Head | Labourer | Michigan |
| 57 | Effie M. Crotser | 40 | Wife | — | Michigan |
| 58 | Bertha L. Crotser | 21 | Daughter | Solvent | Michigan |
| 59 | Marjorie R. Crotser | 18 | Daughter | — | Michigan |
| 60 | Merrill Long | 23 | Roomer | Millwright | Pennsylvania |
| 61 | Mildred Long | 22 | Roomer | — | Pennsylvania |
| 62 | Merrill G. Long | 3 | Roomer | — | Pennsylvania |
| 63 | Gloria Long | 1 | Roomer | — | Michigan |
| 64 | Samuel Munday | 29 | Head | Tool Maker | England |
| 65 | Irene Munday | 25 | Wife | — | Canada |
| 66 | Jan Munday | 4 | Daughter | — | Michigan |
| 67 | Shirley G. Munday | 1 | Daughter | — | Michigan |
| 68 | Collin S. Bain | 35 | Head | Tool Maker | New York |
| 69 | Agnes Bain | 33 | Wife | — | Michigan |
| 70 | Shirley Bain | 3 | Daughter | — | Michigan |
| 71 | Mamie Allen | 55 | Roomer | Nurse | Georgia |
| 72 | George Walton | 37 | Roomer | Painter | France |
| 73 | William Stule | 50 | Head | Machinist | Scotland |
| 74 | Margaret Stule | 49 | Wife | — | Scotland |
| 75 | William H. Stule | 15 | Son | — | Michigan |
| 76 | Fred Cooper | 37 | Head | Manager | England |
| 77 | Jean Cooper | 39 | Wife | — | Scotland |
| 78 | Clare Smith | 19 | Roomer | Waitress | Pennsylvania |
| 79 | Thomas Bayles | 40 | Roomer | Manager | Canada |
| 80 | Thomas Brennan | 41 | Head | Machinist | Canada |
| 81 | Mary Brennan THIS PERSON | 37 | Wife | — | Canada |
| 82 | Eula Brennan | 13 | Daughter | — | Canada |
| 83 | Helen Brennan | 12 | Daughter | — | Canada |
| 84 | Alice Lloyd | 43 | Roomer | Service Man | Canada |
| 85 | Henry Whittington | 40 | Head | Manager | Illinois |
| 86 | Clara M. Whittington | 40 | Wife | — | Illinois |
| 87 | Myrtle Whittington | 20 | Daughter | — | Illinois |
| 88 | Wade Whittington | 12 | Son | — | Illinois |
| 89 | Francis Malcom | 56 | Head | — | Canada |
| 90 | Luke Jordan | 54 | Roomer | Salesman | Michigan |
| 91 | Erin Mckibbin | 62 | Roomer | Salesman | Pennsylvania |
| 92 | Maurice Aclite | 43 | Head | Machinist | Russia |
| 93 | Bertha Aclite | 41 | Wife | — | Russia |
| 94 | Samuel Aclite | 20 | Son | Plumber | Russia |
| 95 | Abraham Aclite | 16 | Son | — | Russia |
| 96 | Ben Offner | 50 | Head | Machinist | Russia |
| 97 | Ida Offner | 49 | Wife | — | Russia |
| 98 | Harry Offner | 7 | Son | — | 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)