TM
Thomas Mcnamara — 1930 US Census Record
Model Tree available1930 United States Federal Census · Mercer, New Jersey
Our Model Tree links this Thomas Mcnamara across the 1920, 1930 and 1940 US Censuses in Mercer, New Jersey (XGBoost, ~Confirmed), with identified parents Simon & Thomas — first a son (b.~1906), then head of a 4-person household.
Age 24
b. ~1906
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, New Jersey |
| Surname | McNamara |
| Given Name | Thomas Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1906 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mcnamara | Head | — | 51 | ~1879 |
| Thomas Mcnamara | Son | — | 24 | ~1906 |
| Annie Mcnamara | Other | — | 51 | ~1879 |
| Joseph Mcnamara | Son | — | 22 | ~1908 |
Census Appearances
1920
Mercer, New …
Son, age 14
Mercer, New Jersey · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Fireman |
| Industry | Fire Dept |
| Class of Worker | w |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 24
Mercer, New Jersey · implied b. ~1906 — 4 household members
| Surname | McNamara |
| Given Name | Thomas Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Other, age 35
Mercer-County, New Jersey · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McManara |
| Given Name | Thomas |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Automobile Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Thomas Mcnamara across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Simon Mcnamara (~0.92 confidence) and father Thomas Mcnamara (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Simon Mcnamara
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Thomas Mcnamara
b. ~1879
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mcnamara
Son · 1930 · age 24 · b. ~1906 · New Jersey
★ You are viewing this record
Sibling
Joseph Mcnamara
Sibling · 1930 · age 22
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 — Mercer, New Jersey
Open full size
1930 US Federal Census — Mercer, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1365:0285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Nellie A Roche | 45 | Wife-H | — | Irish Free State |
| 52 | Mary Roche | 18 | Daughter | — | New Jersey |
| 53 | James Dunning | 56 | Head | Laborer | Irish Free State |
| 54 | Mary Dunning | 53 | Wife-H | — | Irish Free State |
| 55 | James H Normile | 25 | Head | Steel Melter Helper | New Jersey |
| 56 | Eleanor Normile | 21 | Wife-H | — | New Jersey |
| 57 | Geraldine J Normile | 2 | Daughter | — | New Jersey |
| 58 | Alvin J Lacke | 24 | Head | Fireman | New Jersey |
| 59 | Ada Lacke | 22 | Wife-H | — | New Jersey |
| 60 | Leonard J Lacke | 1 | Son | — | New Jersey |
| 61 | Edward Scrauner | 27 | Head | Laborer | New Jersey |
| 62 | Edna M Scrauner | 27 | Wife-H | — | New Jersey |
| 63 | Edward Jr Scrauner | 2 | Son | — | New Jersey |
| 64 | David Davis | 62 | Head | Foreman | Irish Free State |
| 65 | Mary Davis | 60 | Wife-H | — | Irish Free State |
| 66 | David Jr Davis | 32 | Son | Accountant | New Jersey |
| 67 | James Davis | 28 | Son | Clerk | New Jersey |
| 68 | John Davis | 26 | Son | Clerk | New Jersey |
| 69 | Joseph Davis | 24 | Son | Clerk | New Jersey |
| 70 | Mary E Powers | 30 | Daughter | — | New Jersey |
| 71 | Mary E Powers | 9 | Granddaughter | — | New Jersey |
| 72 | David Powers | 7 | Grandson | — | New Jersey |
| 73 | Joseph Powers | 5 | Grandson | — | New Jersey |
| 74 | Elizabeth Powers | 3 | Granddaughter | — | New Jersey |
| 75 | Fred Smith | 34 | Head | Laborer | New Jersey |
| 76 | Ethel Smith | 35 | Wife-H | Waitress | New Jersey |
| 77 | George Smith | 5 | Son | — | New Jersey |
| 78 | Fred Jr Smith | 1 | Son | — | New Jersey |
| 79 | Mary Smith | 61 | Mother | — | England |
| 80 | George Smith | 22 | Brother | Laborer | New Jersey |
| 81 | Frederick Gething | 45 | Head | Roll Turner | Scotland |
| 82 | Elizabeth Gething | 43 | Wife-H | — | England |
| 83 | Frederick Jr Gething | 13 | Son | — | New Jersey |
| 84 | Elizabeth Gething | 12 | Daughter | — | New Jersey |
| 85 | Theodore M Zenker | 69 | Head | Potter | New York |
| 86 | Sarah Zenker | 60 | Wife-H | — | New Jersey |
| 87 | William Davy | 61 | Head | Service Man | New Jersey |
| 88 | Elizabeth Davy | 60 | Wife-H | — | New Jersey |
| 89 | Elizabeth Davy | 32 | Daughter | Clerk | New Jersey |
| 90 | Francis Davy | 28 | Son | Auto Washer | New Jersey |
| 91 | James Davy | 26 | Son | — | New Jersey |
| 92 | Laura Davy | 24 | Daughter | — | New Jersey |
| 93 | Barney Gold | 43 | Head | Vendor | Russia |
| 94 | Ida Gold | 42 | Wife-H | — | Russia |
| 95 | Louis Gold | 20 | Son | — | New Jersey |
| 96 | Rose Gold | 17 | Daughter | — | New Jersey |
| 97 | Thomas Mcnamara | 51 | Head | Salesman | New Jersey |
| 98 | Annie Mcnamara | 51 | Wife-H | — | New Jersey |
| 99 | Thomas Jr Mcnamara THIS PERSON | 24 | Son | — | New Jersey |
| 100 | Joseph Mcnamara | 22 | Son | Truck Driver | New Jersey |
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)