TM
Thomas Mcnamara — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Thomas Mcnamara across the 1910, 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Robert & Thomas — first a son (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | McNamara |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1909 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Mcnamara | Daughter | — | 11 | ~1919 |
| Marion Mcnamara | Daughter | — | 22 | ~1908 |
| Charlotte Mcnamara | Spouse | — | 46 | ~1884 |
| Thomas Mcnamara | Son | — | 21 | ~1909 |
| Thomas Mcnamara | Head | — | 48 | ~1882 |
Census Appearances
1910
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Son, age 11
Suffolk, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 21
Suffolk, Massachusetts · implied b. ~1909 — 5 household members
| Surname | McNamara |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 (1910, 1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage. Identified parents: father Robert Mcnamara (~0.92 confidence) and father Thomas Mcnamara (~0.92 confidence) and father Thomas Mcnamara (~0.92 confidence) and mother Charlotte Mcnamara (~0.92 confidence) and mother Charlotte Mcnamara (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Mcnamara
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Thomas Mcnamara
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Thomas Mcnamara
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Charlotte Mcnamara
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Charlotte Mcnamara
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mcnamara
Son · 1930 · age 21 · b. ~1909 · Massachusetts
★ You are viewing this record
Sibling
Marion Mcnamara
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mcnamara
Sibling · 1930 · age 11
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel943:0025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter Burgan | 67 | Head | Capper | Canada English |
| 2 | Mary Burgan | 68 | Wife | — | Canada English |
| 3 | Sara Hayes | 38 | Head | Fore Lady | Irish Free State |
| 4 | George H. Fontaine | 33 | Head | Machinist | Vermont |
| 5 | Mary G. Fontaine | 30 | Wife | — | Massachusetts |
| 6 | Joseph Fontaine | 11 | Son | — | Massachusetts |
| 7 | Phyllis Fontaine | 4 | Daughter | — | Massachusetts |
| 8 | John Rochford | 40 | Head | Package Maker | Massachusetts |
| 9 | Irene V. Rochford | 31 | Wife | — | Massachusetts |
| 10 | Irene Rochford | 13 | Daughter | — | Massachusetts |
| 11 | William Rochford | 11 | Son | — | Massachusetts |
| 12 | Charles Rochford | 9 | Son | — | Massachusetts |
| 13 | Thomas F. Mcnamara | 48 | Head | Teamster | Massachusetts |
| 14 | Charlotte Mcnamara | 46 | Wife | — | Massachusetts |
| 15 | Marion Mcnamara | 22 | Daughter | Addressing | Massachusetts |
| 16 | Thomas J. Mcnamara THIS PERSON | 21 | Son | — | Massachusetts |
| 17 | Elizabeth Mcnamara | 11 | Daughter | — | Massachusetts |
| 18 | Michael Breen | 46 | Head | Laborer | Massachusetts |
| 19 | Elizabeth Breen | 43 | Wife | — | Massachusetts |
| 20 | Dennis Driscoll | 67 | Head | Retired | Irish Free State |
| 21 | Katherine E. Driscoll | 34 | Daughter | — | Massachusetts |
| 22 | Julia F. Driscoll | 25 | Daughter | — | Massachusetts |
| 23 | Francisco Gallano | 65 | Head | — | Italy |
| 24 | Francis Gallano | 29 | Daughter | Dipper | Massachusetts |
| 25 | Joseph Tartarella | 36 | Head | Candy Maker | Italy |
| 26 | Josephine Tartarella | 44 | Wife | — | Italy |
| 27 | Joseph Tartarella | 9 | Son | — | Massachusetts |
| 28 | Beatrice Tartarella | 7 | Daughter | — | Massachusetts |
| 29 | Santa Tartarella | 6 | Son | — | Massachusetts |
| 30 | Margaret Tartarella | 5 | Daughter | — | Massachusetts |
| 31 | Elvira Tartarella | 3 | Daughter | — | Massachusetts |
| 32 | Rose Tartarella | 1 | Daughter | — | Massachusetts |
| 33 | Margaret Fox | 58 | Head | — | Irish Free State |
| 34 | Evelyn Fox | 31 | Daughter | — | Massachusetts |
| 35 | Nathaniel Fox | 25 | Son | Painter | Massachusetts |
| 36 | Mary Thelen | 65 | Head | — | Massachusetts |
| 37 | Hannah Thelen | 63 | Sister | — | Massachusetts |
| 38 | Katherine Thelen | 62 | Sister | — | Massachusetts |
| 39 | Rose Broderick | 50 | Boarder | — | Massachusetts |
| 40 | Luke Williams | 72 | Head | Retired | Germany |
| 41 | Mary Williams | 71 | Wife | — | Poland |
| 42 | Katherine Kennedy | 42 | Head | Laundress | Massachusetts |
| 43 | Patrick Duffy | 47 | Head | Laborer | Irish Free State |
| 44 | Elizabeth Duffy | 51 | Wife | — | Irish Free State |
| 45 | Edward Coyle | 47 | Head | Porter | Northern Ireland |
| 46 | Elizabeth Coyle | 48 | Wife | — | Northern Ireland |
| 47 | Mary Coyle | 13 | Daughter | — | Massachusetts |
| 48 | Beatrice Coyle | 9 | Daughter | — | Massachusetts |
| 49 | Elizabeth Coyle | 8 | Daughter | — | Massachusetts |
| 50 | Rita Coyle | 8 | Daughter | — | Massachusetts |
Pedigree Summary
Thomas + 2 siblings
Gen 1 · 5 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)