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James Mcnamara — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this James Mcnamara across the 1920 and 1930 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 7-person household.
Age 47
b. ~1883
Male
Head
Born: Michigan
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | McNamara |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Plasterer |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2,000 |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Plasterer |
| Township / Ward | Dearborn City |
| Est. Birth Year | ~1883 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Mcnamara | Daughter | — | 3 | ~1927 |
| Vivian Mcnamara | Daughter | — | 16 | ~1914 |
| Ann Mcnamara | Daughter | — | 9 | ~1921 |
| James Mcnamara | Head | — | 47 | ~1883 |
| Harry Mcnamara | Son | — | 20 | ~1910 |
| Donal Mcnamara | Son | — | 13 | ~1917 |
| Marie Mcnamara | Spouse | — | 41 | ~1889 |
Census Appearances
1920
Wayne, Michigan
Head, age 37
Wayne, Michigan · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Michigan |
| Occupation | Mechanic |
| Industry | Ford Tractor Co |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Head, age 47
Wayne, Michigan · implied b. ~1883 — 7 household members
| Surname | McNamara |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Michigan |
| Occupation | Plasterer |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2,000 |
| Veteran | No |
| 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 James Mcnamara across 2 US Census years (1920 and 1930) in Wayne, Michigan, using XGBoost record linkage.
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This person
Anchor record
James Mcnamara
Head · 1930 · age 47 · b. ~1883 · 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
50 people indexed on this census page (ia:1930:michigancensus00reel1031:0231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernst Ledore | 1 | Son | — | Michigan |
| 2 | William Ledore | 29 | Head | Machinist | Canada-English |
| 3 | Margaret Ledore | 26 | Wife | — | Canada-English |
| 4 | Nellie Ledore | 21 | Daughter | Stenographer | Michigan |
| 5 | Rita Ledore | 19 | Daughter | — | Michigan |
| 6 | Earl Stoner | 24 | Boarder | Receiving Clerk | Michigan |
| 7 | Dan Karobka | 60 | Head | Laborer | Russia |
| 8 | Martha Karobka | 56 | Wife | — | Russia |
| 9 | Jack Karobka | 24 | Son | Foreman | Russia |
| 10 | Catherine Karobka | 20 | Daughter | Waitress | Russia |
| 11 | Alice Karobka | 15 | Daughter | Delivery Clerk | Michigan |
| 12 | Mary Karobka | 13 | Daughter | — | Michigan |
| 13 | Henry Jahr | 44 | Head | Bricklayer | Minnesota |
| 14 | Ellen Jahr | 43 | Wife | — | England |
| 15 | Eva M. Jahr | 21 | Daughter | — | Minnesota |
| 16 | Thurston Jahr | 19 | Son | — | Minnesota |
| 17 | Viola L. Jahr | 18 | Daughter | — | Minnesota |
| 18 | Elaine B. Jahr | 6 | Daughter | — | Michigan |
| 19 | Clarence Murphy | 17 | Nephew | Jumper | Minnesota |
| 20 | Edmund Macey | 33 | Head | Carpenter | New York |
| 21 | Corinne Macey | 31 | Wife | — | Michigan |
| 22 | Karl Jahr | 70 | Head | Fireman | Germany |
| 23 | Emilie Jahr | 64 | Wife | — | Germany |
| 24 | Edward Jahr | 22 | Son | Bricklayer | Minnesota |
| 25 | Robert Bendo | 28 | Boarder | Labourer | Italy |
| 26 | Paul Metzger | 48 | Boarder | Bricklayer | Germany |
| 27 | Louie Robinson | 42 | Head | — | Canada-English |
| 28 | Felix Wawrzyniak | 29 | Head | Machinist | Germany |
| 29 | Mary Wawrzyniak | 26 | Wife | — | Germany |
| 30 | Harry Wawrzyniak | 5 | Son | — | Michigan |
| 31 | Kenneth Wawrzyniak | 1 | Son | — | Michigan |
| 32 | Paul F. Jahr | 24 | Head | Brick-Layer | South Dakota |
| 33 | Emma Jahr | 30 | Wife | — | Norway |
| 34 | Genevieve Jahr | 8 | Daughter | — | Minnesota |
| 35 | Harold Jahr | 5 | Son | — | Michigan |
| 36 | Lorraine Jahr | 2 | Daughter | — | Michigan |
| 37 | Harold Saker | 32 | Head | Bookkeeper | Wisconsin |
| 38 | Golda E. Saker | 27 | Sister | — | South Dakota |
| 39 | William H. Saker | 9 | Nephew | — | Minnesota |
| 40 | William Lyons | 60 | Head | Laborer | Canada-English |
| 41 | Mary Lyons | 58 | Wife | — | Michigan |
| 42 | James Mcnamara THIS PERSON | 47 | Head | Plasterer | Michigan |
| 43 | Marie Mcnamara | 41 | Wife | — | Michigan |
| 44 | Harry C. Mcnamara | 20 | Son | Die Maker | Michigan |
| 45 | Vivian Mcnamara | 16 | Daughter | — | Michigan |
| 46 | Donal Mcnamara | 13 | Son | — | Michigan |
| 47 | Ann Mcnamara | 9 | Daughter | — | Michigan |
| 48 | Marjorie Mcnamara | 3 | Daughter | — | Michigan |
| 49 | Michael Germains | 49 | Head | Carpenter | Russia |
| 50 | Annie Germains | 44 | Wife | — | Russia |
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)