TR
Thomas Ross — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this Thomas Ross across the 1910, 1920, 1930 and 1940 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed), with identified parents Nellie & Thomas — first a head (b.~1902), then head of a 3-person household.
Age 28
b. ~1902
Male
Head
Born: Ohio
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Ross |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 24 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Patent Attorney |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Draftsman |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1902 |
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 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Ross | Head | — | 28 | ~1902 |
| Thomas Ross | Son | — | 1 | ~1929 |
| Dorothy Ross | Other | — | 27 | ~1903 |
Census Appearances
1910
Hamilton, Ohio
Son, age 8
Hamilton, Ohio · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Thos. S. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Hamilton, Ohio
Son, age 18
Hamilton, Ohio · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Thomas Seymour |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Draftsman |
| Industry | Adding Machine Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Head, age 28
Hamilton, Ohio · implied b. ~1902 — 3 household members
| Surname | Ross |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 24 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Draftsman |
| Industry | Patent Attorney |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 37
Hamilton-County, Ohio · implied b. ~1903 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Tom |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | St. Bernard |
| 1935 Residence (County) | Hamilton |
| Occupation | Laborer |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 788 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nellie Ross (~0.92 confidence) and father Thomas Ross (~0.92 confidence) and father John Mcavoy (~0.92 confidence) and mother Helen Mcavoy (~0.92 confidence) and mother Nellie Ross (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nellie Ross
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Thomas Ross
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Mcavoy
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Helen Mcavoy
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Nellie Ross
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Ross
Head · 1930 · age 28 · b. ~1902 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Hamilton, Ohio
Open full size
1930 US Federal Census — Hamilton, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1811:0529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Ross THIS PERSON | 28 | Head | Draftsman | Ohio |
| 52 | Dorothy Ross | 27 | Wife-H | None | Michigan |
| 53 | Thomas Jr. Ross | 1 | Son | None | Ohio |
| 54 | Russell O. Corbin | 33 | Head | Sprayer | Kentucky |
| 55 | Martha Corbin | 30 | Wife-H | None | Kentucky |
| 56 | Lottie Williams | 53 | Sister-in-law | Bookkeeping | Kentucky |
| 57 | Charles Merkt | 41 | Head | Moulder | Ohio |
| 58 | Clara Merkt | 35 | Wife-H | None | Ohio |
| 59 | Carl Merkt | 13 | Son | None | Ohio |
| 60 | Bertha Merkt | 9 | Daughter | None | Ohio |
| 61 | Ruth Merkt | 7 | Daughter | None | Ohio |
| 62 | Margaret Mauck | 23 | Sister-in-law | Stenographer | Ohio |
| 63 | John L. Hoerner | 41 | Head | Buyer | Ohio |
| 64 | Emma E. Hoerner | 41 | Wife-H | None | Ohio |
| 65 | Leo G. Hoerner | 20 | Son | Student | Alabama |
| 66 | Raymond R. Hoerner | 16 | Son | None | New York |
| 67 | Mary Louise Hoerner | 11 | Daughter | None | Ohio |
| 68 | Martha M. Hoerner | 3 | Daughter | None | Ohio |
| 69 | William J. Wilkins | 52 | Head | Salesman | Ohio |
| 70 | Mary Wilkins | 58 | Wife-H | None | Germany |
| 71 | Marguerite Wilkins | 24 | Daughter | Bookkeeper | Ohio |
| 72 | Loretta Wilkins | 22 | Daughter | Bookkeeper | Ohio |
| 73 | Charles H. Wilkins | 20 | Son | Bookkeeper | Ohio |
| 74 | Raymond Wilkins | 18 | Son | Clerk | Ohio |
| 75 | William J. Wilkins | 14 | Son | None | Ohio |
| 76 | Marian Wilkins | 7 | Daughter | None | Ohio |
| 77 | — | None | — | — | — |
| 78 | — | None | — | — | — |
| 79 | Thomas P. Lanahan | 37 | Head | Traveling Salesman | Ohio |
| 80 | Eleanor Lanahan | 37 | Wife-H | None | Ohio |
| 81 | Fred Strauch | 47 | Head | Proprietor | Ohio |
| 82 | Blanche Strauch | 38 | Wife-H | None | Ohio |
| 83 | Fred Jr. Strauch | 15 | Son | Caddy | Ohio |
| 84 | Joseph Diehl | 48 | Head | Machinist | Germany |
| 85 | Bertha Diehl | 47 | Wife-H | None | Germany |
| 86 | Joseph Diehl | 22 | Son | None | Ohio |
| 87 | Raymond Oberhanoer | 56 | Brother-in-law | Finisher | Germany |
| 88 | John Dice | 50 | Lodger | None | Ohio |
| 89 | Lodger Laymen | 50 | Lodger | None | Ohio |
| 90 | George J. Dubell | 46 | Head | Accountant | Ohio |
| 91 | Elizabeth Dubell | 33 | Wife-H | None | Ohio |
| 92 | George J. Jr. Dubell | 8 | Son | None | Ohio |
| 93 | Bertram Dubell | 6 | Son | None | Ohio |
| 94 | — | None | — | — | — |
| 95 | — | None | — | — | — |
| 96 | William Byrne | 66 | Head | Elevator | England |
| 97 | Mary Eliza Byrne | 67 | Wife-H | None | England |
| 98 | Mary H. Wissell | 59 | Head | None | England |
| 99 | Catherine L. Wissell | 21 | Daughter | Telephone Operator | New Mexico |
| 100 | — | None | — | — | — |
Pedigree Summary
Thomas
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)