MM
Margaret Mcnamara — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Margaret Mcnamara across the 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 8-person household.
Age 50
b. ~1880
Female
Spouse
Born: Michigan
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1880 |
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 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| John Mcnamara | Son | — | 20 | ~1910 |
| Marie Mcnamara | Daughter | — | 25 | ~1905 |
| Ethel Mcnamara | Daughter | — | 21 | ~1909 |
| Edna Mcnamara | Daughter | — | 18 | ~1912 |
| Leo Mcnamara | Son | — | 27 | ~1903 |
| Michael Mcnamara | Head | — | 52 | ~1878 |
| James Mcnamara | Son | — | 16 | ~1914 |
| Margaret Mcnamara | Spouse | — | 50 | ~1880 |
Census Appearances
1930
Wayne, Michigan
Spouse, age 50
Wayne, Michigan · implied b. ~1880 — 8 household members
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Other, age 60
Wayne-County, Michigan · implied b. ~1880 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Mary |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | H 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 Margaret Mcnamara across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mcnamara
Spouse · 1930 · age 50 · b. ~1880 · Michigan
★ You are viewing this record
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:michigancensus00reel1048:0804)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary J. Mcnamara | 1 | daughter | None | Michigan |
| 2 | John S. Mcnamara | 47 | Head | Brakeman | Michigan |
| 3 | Pearl A. Mcnamara | 46 | Wife | None | Holland |
| 4 | Nellie Edgecomb | 53 | Aunt | Lather | Nevada |
| 5 | Thomas J. Mcnamara | 62 | Head | Trainman | Indiana |
| 6 | Miriam Mcnamara | 62 | Wife | None | Michigan |
| 7 | Philip B. Lalley | 26 | Head | Printer/Mechanical | Michigan |
| 8 | Helen J. Lalley | 27 | Wife | None | Indiana |
| 9 | Jeanne M. Lalley | 4 | daughter | None | Michigan |
| 10 | Frank E. Lalley | 1 | son | None | Michigan |
| 11 | Leo Lalonde | 29 | roomer | Laborer | Louisiana |
| 12 | Lillian Lalonde | 25 | roomer | None | Louisiana |
| 13 | Michael Mcnamara | 52 | Head | Foreman | Michigan |
| 14 | Margaret Mcnamara THIS PERSON | 50 | Wife | None | Michigan |
| 15 | Leo S. Mcnamara | 27 | son | Truck Driver | Michigan |
| 16 | Marie E. Mcnamara | 25 | daughter | Book Keeper | Michigan |
| 17 | Ethel E. Mcnamara | 21 | daughter | Book Keeper | Michigan |
| 18 | John R. Mcnamara | 20 | son | Butter Maker | Michigan |
| 19 | Edna V. Mcnamara | 18 | daughter | File Clerk | Michigan |
| 20 | James Mcnamara | 16 | son | None | Michigan |
| 21 | Here Ends Enumeration Of Block 342 | None | — | — | — |
| 22 | — | None | — | — | — |
| 23 | — | None | — | — | — |
| 24 | — | None | — | — | — |
| 25 | — | None | — | — | — |
| 26 | — | None | — | — | — |
| 27 | — | None | — | — | — |
| 28 | — | None | — | — | — |
| 29 | — | None | — | — | — |
| 30 | — | None | — | — | — |
| 31 | — | None | — | — | — |
| 32 | — | None | — | — | — |
| 33 | — | None | — | — | — |
| 34 | — | None | — | — | — |
| 35 | — | None | — | — | — |
| 36 | — | None | — | — | — |
| 37 | — | None | — | — | — |
| 38 | — | None | — | — | — |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
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)