TM
Thomas Mcnamara — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Thomas Mcnamara across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 11-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | McNamara |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1919 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mcnamara | Son | — | 21 | ~1919 |
| Kathryn Mcnamara | Daughter | — | 40 | ~1900 |
| Margaret Mcnamara | Spouse | — | 67 | ~1873 |
| Dorothy Mcnamara | Daughter | — | 23 | ~1917 |
| Elizabeth Furman | Daughter | — | 11 | ~1929 |
| Florence Mcnamara | Daughter | — | 28 | ~1912 |
| Margaret Furman | Daughter | — | 38 | ~1902 |
| Regina Mcnamara | Daughter | — | 33 | ~1907 |
| Patrick Mcnamara | Son | — | 26 | ~1914 |
| Ethel Mcnamara | Daughter | — | 32 | ~1908 |
| Patrick Mcnamara | Head | — | 69 | ~1871 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 10 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 | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 21
Philadelphia-County, Pennsylvania · implied b. ~1919 — 11 household members
| Surname | McNamara |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Mcnamara
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
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Sibling
Elizabeth Furman
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Furman
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Mcnamara
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mcnamara
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Mcnamara
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Regina Mcnamara
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Mcnamara
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Mcnamara
Sibling · 1940 · age 40
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
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03724-00014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James B Flood | 19 | Son | Sample Maker | Pennsylvania |
| 2 | John E Collins | 36 | Head | Purchasing Agent | Pennsylvania |
| 3 | Mary J Collins | 38 | Wife | — | Pennsylvania |
| 4 | Frank H Stone | 50 | Head | Customs Man | New York |
| 5 | Della W Stone | 40 | Wife | — | Pennsylvania |
| 6 | Jane M Wood | 76 | Mother in law | — | Pennsylvania |
| 10 | Patrick Mcnamara | 69 | Head | — | Pennsylvania |
| 11 | Margaret Mcnamara | 67 | Wife | — | Pennsylvania |
| 12 | Kathryn Mcnamara | 40 | Daughter | Threader | Pennsylvania |
| 13 | Regina Mcnamara | 33 | Daughter | Clerk | Pennsylvania |
| 14 | Ethel Mcnamara | 32 | Daughter | Tel. Operator | Pennsylvania |
| 15 | Florence Mcnamara | 28 | Daughter | Secretary | Pennsylvania |
| 16 | Patrick Mcnamara | 26 | Son | Layout Clerk | Pennsylvania |
| 17 | Dorothy Mcnamara | 23 | Daughter | Stenographer | Pennsylvania |
| 18 | Thomas Mcnamara THIS PERSON | 21 | Son | Machinist | Pennsylvania |
| 19 | Margaret Furman | 38 | Daughter | — | Pennsylvania |
| 20 | Elizabeth Furman | 11 | Daughter | — | Pennsylvania |
| 21 | William J Noonan | 53 | Head | Patrolman | Pennsylvania |
| 22 | Anna M Noonan | 53 | Wife | — | Pennsylvania |
| 23 | Helen Noonan | 29 | Daughter | Secretary | Pennsylvania |
| 24 | Anna Mae Noonan | 27 | Daughter | Secretary | Pennsylvania |
| 25 | Katherine Noonan | 26 | Daughter | Hostess | Pennsylvania |
| 26 | William Noonan | 22 | Son | New Worker | Pennsylvania |
| 27 | Rita Noonan | 18 | Daughter | — | Pennsylvania |
| 28 | George D Speakman | 72 | Head | — | Pennsylvania |
| 29 | George Speakman | 33 | Son | Insurance Agent | Pennsylvania |
| 30 | Mary D Speakman | 29 | Daughter in law | — | Pennsylvania |
| 31 | Frank Verna | 50 | Head | Barber | Italy |
| 32 | Mary Verna | 49 | Wife | — | Italy |
| 33 | Jane Verna | 28 | Daughter | Clerk | Pennsylvania |
| 34 | Madaline Verna | 26 | Daughter | Proprietor | Pennsylvania |
| 35 | Francis Verna | 22 | Son | Stock Clerk | Pennsylvania |
| 36 | James Marley | 70 | Head | Motorman | Irish Free State |
| 37 | Mary Marley | 53 | Wife | — | Pennsylvania |
| 38 | Anna Belle Marley | 28 | Daughter | Bookkeeper | Pennsylvania |
| 39 | Mary Marley | 26 | Daughter | Clerk | Pennsylvania |
| 40 | Alice Marley | 25 | Daughter | Stenographer | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)