JT
James Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this James Thomas across the 1900, 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 4-person household.
Age 52
b. ~1878
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 26 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1878 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Thomas | Head | — | 52 | ~1878 |
| James Thomas | Son | — | 37 | ~1893 |
| William Thomas | Son | — | 43 | ~1887 |
| Mary Thomas | Spouse | — | 43 | ~1887 |
Census Appearances
1900
Anne Arundel, …
Head, age 26
Anne Arundel, Maryland · implied b. ~1874 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Aug |
| Birth Year | 1874 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Baltimore, Maryland
Head, age 35
Baltimore, Maryland · implied b. ~1875 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 10 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Private family |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Head, age 45
Baltimore, Maryland · implied b. ~1875 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Fireman |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 52
Baltimore, Maryland · implied b. ~1878 — 4 household members
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 26 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 James Thomas across 4 US Census years (1900, 1910, 1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Thomas
Head · 1930 · age 52 · b. ~1878 · Maryland
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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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus861unit:0956)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elsie Gray | 44 | Head | — | Virginia |
| 52 | John Gray | 21 | Son | — | Maryland |
| 53 | William Gray | 20 | Son | — | Maryland |
| 54 | James Gray | 18 | Son | — | Maryland |
| 55 | Robert Gray | 15 | Son | — | Maryland |
| 56 | Edward Gray | 12 | Son | — | Maryland |
| 57 | Theodore Gray | 10 | Son | — | Maryland |
| 58 | Alice Gray | 8 | Daughter | — | Maryland |
| 59 | Mary Gray | 6 | Daughter | — | Maryland |
| 60 | Lillian Gray | 3 | Daughter | — | Maryland |
| 61 | George Rayner | 35 | Head | Laborer | North Carolina |
| 62 | Lillian Rayner | 25 | Wife | — | North Carolina |
| 63 | George Jr. Rayner | 3 | Son | — | Maryland |
| 64 | Lillian Rayner | 2 | Daughter | — | Maryland |
| 65 | James Rayner | 1 | Son | — | Maryland |
| 66 | Mary Hill | 31 | Head | Maid | Virginia |
| 67 | James Hill | 5 | Son | — | Virginia |
| 68 | William Hill | 0 | Son | — | Maryland |
| 69 | James Hill | 25 | Head | Laborer | Maryland |
| 70 | Mary Hill | 22 | Wife | — | Maryland |
| 71 | James Jr. Hill | 2 | Son | — | Maryland |
| 72 | William Hill | 1 | Son | — | Maryland |
| 73 | George Hill | 32 | Head | Laborer | Maryland |
| 74 | Mary Hill | 23 | Wife | — | Virginia |
| 75 | William T. Johnson | 36 | Head | Laborer | Georgia |
| 76 | Sarah Johnson | 35 | Wife | — | Maryland |
| 77 | Andrew Johnson | 7 | Son | — | Maryland |
| 78 | Sarah Johnson | 5 | Daughter | — | Maryland |
| 79 | Albert Reeder | 21 | Head | Laborer | South Carolina |
| 80 | Lillian Reeder | 18 | Wife | — | New Jersey |
| 81 | Albert Jr. Reeder | 0 | Son | — | Maryland |
| 82 | George Reeder | 32 | Head | Laborer | Maryland |
| 83 | Mary Reeder | 31 | Wife | — | Maryland |
| 84 | George Jr. Reeder | 12 | Son | — | Maryland |
| 85 | William Reeder | 10 | Son | — | Maryland |
| 86 | James Reeder | 8 | Son | — | Maryland |
| 87 | Mary Reeder | 5 | Daughter | — | Maryland |
| 88 | Beatrice Clarke | 29 | Head | Servant | Maryland |
| 89 | John Clarke | 11 | Son | — | Maryland |
| 90 | Beatrice B. Clarke | 6 | Daughter | — | Maryland |
| 91 | Sarah Clarke | 3 | Daughter | — | Maryland |
| 92 | James Thomas THIS PERSON | 52 | Head | Laborer | Maryland |
| 93 | Mary Thomas | 43 | Wife | — | Maryland |
| 94 | James Jr. Thomas | 37 | Son | — | Virginia |
| 95 | William Thomas | 43 | Son | Cook | Maryland |
| 96 | Charles Johnson | 40 | Head | Porter | Maryland |
| 97 | Annie Johnson | 38 | Wife | — | Maryland |
| 98 | Thelma Morris | 24 | Head | Maid | Maryland |
| 99 | Edna M. Morris | 9 | Daughter | — | Maryland |
| 100 | Beatrice Morris | 7 | Daughter | — | Maryland |
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)