TM
Thomas Mcnamara — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Thomas Mcnamara across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed), with identified parents Daniel & William — first a son (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | MCNAMARA |
| Given Name | THOMAS |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Additional Details | |
| Occupation | BILLING CLERK |
| Industry | TRANSPORTATION |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 630 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Billing Clerk |
| Township / Ward | New York City |
| Est. Birth Year | ~1920 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Rose Mcnamara | Daughter | — | 26 | ~1914 |
| Mary Mcnamara | Head | — | 59 | ~1881 |
| Thomas Mcnamara | Son | — | 20 | ~1920 |
Census Appearances
1920
New York, …
Son, age
New York, New York · implied b. ~1920 — 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 | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Son, age 10
New York, New York · implied b. ~1920 — 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 | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Son, age 20
New-York-County, New York · implied b. ~1920 — 3 household members
| Surname | MCNAMARA |
| Given Name | THOMAS |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Occupation | BILLING CLERK |
| Industry | TRANSPORTATION |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 630 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Daniel Mcnamara (~0.92 confidence) and father William Mcnamara (~0.92 confidence) and mother Bridget Mcnamara (~0.92 confidence) and mother Mary Mcnamara (~0.92 confidence) and mother Mary Mcnamara (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Mcnamara
b. ~1883
Source father
● Household
· direct · ~0.92
Father
William Mcnamara
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Bridget Mcnamara
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Mary Mcnamara
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Mcnamara
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mcnamara
Son · 1940 · age 20 · b. ~1920 · New York
★ You are viewing this record
Sibling
Rose Mcnamara
Sibling · 1940 · age 26
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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02658-00086)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah Penney | 64 | HEAD | — | New York |
| 2 | Lawrence Penney | 28 | BROTHER | Clerk | New York |
| 3 | William Marks | 66 | LODGER | Plumber | England |
| 4 | Emelia E Pereny | 60 | HEAD | — | Hungary |
| 5 | Helen E Pereny | 36 | WIFE | Stenographer | Hungary |
| 6 | Catherine Stonebridge | 52 | HEAD | Curtains | Eire |
| 7 | Harriette Stonebridge | 20 | DAUGHTER | Nurse P. | New York |
| 8 | Thomas Kane | 37 | LODGER | Receiving Clerk | Eire |
| 9 | William Steiman | 42 | HEAD | Plumber | Scotland |
| 10 | Pauline Steiman | 40 | WIFE | — | Hungary |
| 11 | Earnest Steiman | 12 | SON | — | New York |
| 12 | Patrick J. Woods | 70 | HEAD | Patrolman | New York |
| 13 | Mary Woods | 64 | MOTHER | — | Eire |
| 14 | George Loch | 43 | HEAD | Doorman | Germany |
| 15 | Charles Bolly | 53 | HEAD | Elevator Op. | Germany |
| 16 | Julia Bolly | 50 | WIFE | — | Ireland |
| 17 | Rosa Muller | 65 | HEAD | — | Germany |
| 18 | Frank Muller | 44 | SON | Laborer | New York |
| 19 | Dominick A. Camastra | 37 | HEAD | Ice Man | Italy |
| 20 | Lena Camastra | 27 | WIFE | Laundress | New York |
| 21 | Patrick Flanagan | 61 | HEAD | — | Eire |
| 22 | Thomas Flanagan | 57 | BROTHER | Elevator Starter | Eire |
| 23 | Delia Flanagan | 59 | SISTER | — | Eire |
| 24 | Catherine Holland | 82 | HEAD | — | New York |
| 25 | Margaret E Dogan | 70 | HEAD | — | New York |
| 26 | Bernard Kilinski | 34 | HEAD | Cook | Germany |
| 27 | Johanna Kilinski | 32 | WIFE | Waitress | Germany |
| 28 | George Kahn | 38 | HEAD | Kitchen Man | Germany |
| 29 | Frieda Kahn | 37 | WIFE | — | Germany |
| 30 | Ludwig P. Kahn | 26 | BROTHER | Kitchen Man | Germany |
| 31 | Mary Maloney | 70 | HEAD | Houseworker | New York |
| 32 | Mary Mcnamara | 59 | HEAD | Superintendant | Eire |
| 33 | Rose Mcnamara | 26 | DAUGHTER | Typist | New York |
| 34 | Thomas Mcnamara THIS PERSON | 20 | SON | Billing Clerk | New York |
| 35 | Bertha Siems | 72 | HEAD | — | New York |
| 36 | Louis Meis | 69 | HEAD | Superintendant | Germany |
| 37 | Emma Meis | 68 | WIFE | — | Germany |
| 38 | Martha Meis | 37 | DAUGHTER | Clerk | Germany |
| 39 | Carl Stern | 68 | HEAD | — | Germany |
| 40 | Margaret Mcgrory | 41 | HEAD | House Worker | No Ireland |
Pedigree Summary
Thomas + 1 sibling
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 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)