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Thomas Nolan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Thomas Nolan across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Margaret & Thomas — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Nolan |
| Given Name | Thomas W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | New Worker |
| Township / Ward | Medford City |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Thomas Nolan | Son | — | 22 | ~1918 |
| Catherine Nolan | Other | — | 48 | ~1892 |
| Thomas Nolan | Head | — | 61 | ~1879 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | Thomas E. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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 |
1940
Middlesex-County, Massachusetts
Son, age 22
Middlesex-County, Massachusetts · implied b. ~1918 — 3 household members
| Surname | Nolan |
| Given Name | Thomas W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Occupation | New Worker |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Nolan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Nolan (~0.92 confidence) and father Thomas Nolan (~0.92 confidence) and father Thomas Nolan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Nolan
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Thomas Nolan
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Thomas Nolan
b. ~1879
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thomas Nolan
Son · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01612-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruby F. Thompson | 33 | Daughter | Glazer | Massachusetts |
| 2 | Clifford Thompson | 8 | Grandson | — | Massachusetts |
| 3 | Lina Blanchard | 29 | Wife | Glazer | Massachusetts |
| 4 | James Blanchard | 5 | Nephew | — | Massachusetts |
| 5 | Helen Mckay | 20 | Niece | Glazer | Massachusetts |
| 6 | John Mckay | 14 | Nephew | — | Massachusetts |
| 7 | Clifford Hyndes | 60 | Brother in law | — | Canada-English |
| 8 | Thomas E. Nolan | 61 | Head | Letter Carrier | Massachusetts |
| 9 | Thomas W. Nolan THIS PERSON | 22 | Son | New Worker | Massachusetts |
| 10 | Catherine Nolan | 48 | Sister | — | Massachusetts |
| 11 | John J. Doherty | 50 | Head | — | North of Ireland |
| 12 | Kate Doherty | 58 | Wife | — | England |
| 13 | Edward Flynn | 36 | Head | Shipper | Massachusetts |
| 14 | Doris Flynn | 29 | Wife | — | Massachusetts |
| 15 | Edward Flynn | 5 | Son | — | Massachusetts |
| 16 | Robert Flynn | 3 | Son | — | Massachusetts |
| 17 | Sylvan White | 65 | Head | Operator | Nova Scotia |
| 18 | Mary White | 63 | Wife | — | Nova Scotia |
| 19 | Kenneth White | 38 | Son | Painter | Massachusetts |
| 20 | Adele White | 25 | Daughter | File Clerk | Massachusetts |
| 21 | Patricia White | 23 | Daughter | — | Massachusetts |
| 22 | Eleanor White | 21 | Daughter | Hairdresser | Massachusetts |
| 23 | Adelaide Healman | 74 | Head | — | Massachusetts |
| 24 | Mary Healman | 34 | Daughter | Stenographer | Massachusetts |
| 25 | Edith Healman | 33 | Daughter | Clerk | Massachusetts |
| 26 | Joseph Baptist | 60 | Head | Police Officer | Massachusetts |
| 27 | Adelaide Baptist | 44 | Wife | — | Massachusetts |
| 28 | Elizabeth Baptist | 25 | Daughter | Clerk | Massachusetts |
| 29 | Adelaide Baptist | 15 | Daughter | — | Massachusetts |
| 30 | Eunice Macmillan | 41 | Head | Nurse | Vermont |
| 31 | Richard R. Macmillan | 14 | Son | — | Massachusetts |
| 32 | Marie E. Macmillan | 14 | Daughter | — | Massachusetts |
| 33 | Mary Hennessey | 57 | Head | Char Woman | Nova Scotia |
| 34 | Madge Hennessey | 28 | Daughter | Bookkeeper | Massachusetts |
| 35 | Martha Hennessey | 22 | Daughter | Salesgirl | Massachusetts |
| 36 | Arthur Hennessey | 21 | Son | Assistant Shipper | Massachusetts |
| 37 | Mary H. Hennessey | 16 | Daughter | — | Massachusetts |
| 38 | Axel Berregren | 40 | Head | Tin Knocker | Sweden |
| 39 | Emma Berregren | 42 | Wife | — | Sweden |
| 40 | Arthur Holsten | 44 | Head | Steamfitter | Massachusetts |
Pedigree Summary
Thomas
Gen 1 · 3 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)