TR
Thomas Ross — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cumberland, Maine
Our Model Tree links this Thomas Ross across the 1930 and 1940 US Censuses in Cumberland, Maine (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 9-person household.
Age 37
b. ~1893
Male
Head
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cumberland, Maine |
| Surname | Ross |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Occupation | Elec. Engineer |
| Industry | Gas House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Elec. Engineer |
| Township / Ward | Peaks Island |
| Est. Birth Year | ~1893 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Ross | Spouse | — | 37 | ~1893 |
| Leo Ross | Son | — | 6 | ~1924 |
| Lawrence Ross | Son | — | 4 | ~1926 |
| Phillip Ross | Son | — | 14 | ~1916 |
| Maurice Ross | Son | — | 8 | ~1922 |
| Thomas Ross | Head | — | 37 | ~1893 |
| John Ross | Son | — | 2 | ~1928 |
| Robert Ross | Son | — | 12 | ~1918 |
| Pearl Ross | Daughter | — | 10 | ~1920 |
Census Appearances
1930
Cumberland, Maine
Head, age 37
Cumberland, Maine · implied b. ~1893 — 9 household members
| Surname | Ross |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Elec. Engineer |
| Industry | Gas House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Cumberland-County, Maine
Other, age 52
Cumberland-County, Maine · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Thomas |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Separated |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Cumberland |
| Occupation | Truckman |
| Class of Worker | OA |
| Hours Worked | 13 |
| Income (1939) | 420 |
| 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 Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Ross
Head · 1930 · age 37 · b. ~1893 · Maine
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cumberland, Maine
Open full size
1930 US Federal Census — Cumberland, Maine
Page Contents
50 people indexed on this census page (ia:1930:15thcensus830unit:0707)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ira E. Mcalister | 75 | Wife | — | Maine |
| 52 | Valerie Mcalister | 31 | Daughter | Printer | Maine |
| 53 | W. Radford Mcalister | 21 | Son | Printer | Maine |
| 54 | Eleanor D. Mcalister | 27 | Daughter | — | Maine |
| 55 | Doriner W. Mcalister | 16 | Son | — | Maine |
| 56 | Dorothy Mcalister | 5 | Daughter | — | Maine |
| 57 | Arthur H. Small | 65 | Head | Electric Engineer | Maine |
| 58 | Lilla M. Small | 67 | Wife | — | Maine |
| 59 | Meldella Dunbar | 76 | Mother-in-law | — | Maine |
| 60 | Edwin T. Nason | 82 | Head | — | Maine |
| 61 | Woodbury Nason | 50 | Son | — | Maine |
| 62 | Alonzo S. Foss | 60 | Head | Carpenter | Maine |
| 63 | Maude Foss | 52 | Wife | — | Maine |
| 64 | Arnold D. Foss | 21 | Son | Truckman | Maine |
| 65 | Louella R. Parsons | 54 | Head | Teacher | Maine |
| 66 | William M. Pollock | 61 | Head | Milk Dealer | Maine |
| 67 | Arlett P. Pollock | 62 | Wife | — | Maine |
| 68 | Carroll W. Richardson | 57 | Head | Store Keeper | Maine |
| 69 | Rose A. Richardson | 49 | Wife | — | Vermont |
| 70 | Mary E. Wiggins | 89 | Mother-in-law | — | Massachusetts |
| 71 | R. E. Mccausland | 57 | Head | Plumber | Maine |
| 72 | Nellie A. Mccausland | 59 | Wife | — | Maine |
| 73 | E. Margaret Hagan | 39 | Boarder | Bookkeeper | Maine |
| 74 | Dorothea E. Hagan | 39 | Boarder | Stenographer | Alabama |
| 75 | Isaac W. Reagan | 57 | Head | — | Maine |
| 76 | Blanche W. Reagan | 58 | Wife | Stenographer | Maine |
| 77 | Irene H. Hoff | 34 | Daughter | — | Maine |
| 78 | Harry J. Hoff | 35 | Son-in-law | Commercial Trav. | Connecticut |
| 79 | Nancy L. Hoff | 1 | Granddaughter | — | Maine |
| 80 | Dorothy Hoff | 0 | Granddaughter | — | Maine |
| 81 | Thomas J. Ross THIS PERSON | 37 | Head | Elec. Engineer | Massachusetts |
| 82 | Mary B. Ross | 37 | Wife | — | Maine |
| 83 | Robert G. Ross | 12 | Son | — | Connecticut |
| 84 | Phillip J. Ross | 14 | Son | — | Massachusetts |
| 85 | Pearl M. Ross | 10 | Daughter | — | Canada English |
| 86 | Maurice P. Ross | 8 | Son | — | Maine |
| 87 | Leo E. Ross | 6 | Son | — | Maine |
| 88 | Lawrence P. Ross | 4 | Son | — | Maine |
| 89 | John C. Ross | 2 | Son | — | Maine |
| 90 | Henry P. Emsalee | 23 | Head | Sailor | Maine |
| 91 | Eleanor W. Emsalee | 18 | Wife | — | Maine |
| 92 | Henry P. Jr. Emsalee | 2 | Son | — | Maine |
| 93 | Ruth Emsalee | 0 | Daughter | — | Maine |
| 94 | Charles S. Trott | 76 | Head | Laborer | Maine |
| 95 | Ida L. Trott | 69 | Wife | — | Maine |
| 96 | John K. Parker | 71 | Head | Chemist | Maine |
| 97 | Emily T. Parker | 54 | Wife | — | Maine |
| 98 | John G. Parker | 19 | Son | — | Maine |
| 99 | Jessica W. Parker | 17 | Daughter | — | Maine |
| 100 | Reid D. Parker | 15 | Son | — | Maine |
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)