RT
Roy Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Alexandria, Virginia
Our Model Tree links this Roy Thomas across the 1930 and 1940 US Censuses in Alexandria, Virginia (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 2
b. ~1928
Male
Son
Born: Virginia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alexandria, Virginia |
| Surname | Thomas |
| Given Name | Roy C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Alexandria City |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Roy Thomas | Son | — | 2 | ~1928 |
| Robert Thomas | Son | — | 5 | ~1925 |
| Ruth Thomas | Daughter | — | 10 | ~1920 |
| Ruth Thomas | Spouse | — | 40 | ~1890 |
| Mary Thomas | Daughter | — | 7 | ~1923 |
| John Thomas | Son | — | 16 | ~1914 |
| Lillian Thomas | Daughter | — | 5 | ~1925 |
| Louise Thomas | Daughter | — | 12 | ~1918 |
| John Rawlins | Other | — | 18 | ~1912 |
| Roy Thomas | Head | — | 42 | ~1888 |
Census Appearances
1930
Alexandria, Virginia
Son, age 2
Alexandria, Virginia · implied b. ~1928 — 10 household members
| Surname | Thomas |
| Given Name | Roy C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
Son, age 12
Alexandria-City-County, Virginia · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ray C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Alexandria city |
| 1935 Residence (County) | Alexandria City |
| Occupation | Student |
| Income (1939) | 0 |
| Highest Grade | G 4 |
| 1935 Residence | Same Place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Roy Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Thomas
Son · 1930 · age 2 · b. ~1928 · Virginia
★ You are viewing this record
Sibling
John Thomas
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thomas
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Thomas
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thomas
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thomas
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Thomas
Sibling · 1930 · age 12
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
1930 US Federal Census — Alexandria, Virginia
Open full size
1930 US Federal Census — Alexandria, Virginia
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2466unit:0040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harwood Stowell | 78 | Head | — | Virginia |
| 52 | Annetta Stowell | 65 | Wife | — | Virginia |
| 53 | Susan Stowell | 48 | Daughter | — | Virginia |
| 54 | Gertrude Tetermann | 60 | Lodger | Laborer | Virginia |
| 55 | Lillie Short | 50 | Servant | Servant | Maryland |
| 56 | Lola L. Short | 10 | Boarder | — | Virginia |
| 57 | Joseph T. Ramage | 62 | Head | Engineer | Tennessee |
| 58 | Caroline Ramage | 60 | Wife | — | Maryland |
| 59 | Elizabeth Ramage | 26 | Daughter | — | District Columbia |
| 60 | Catherine Ramage | 24 | Daughter | Clerk | District Columbia |
| 61 | Albert S. Jones | 53 | Head | Brakeman | Virginia |
| 62 | Sallie O. Jones | 48 | Wife | Proprietor | Virginia |
| 63 | Albert C. Jones | 24 | Son | Laborer | Virginia |
| 64 | James E. Jones | 22 | Son | Laborer | Virginia |
| 65 | Raymond M. Jones | 20 | Son | Laborer | Virginia |
| 66 | Mary L. Jones | 17 | Daughter | — | Virginia |
| 67 | John Love | 27 | Lodger | Florist | Virginia |
| 68 | George M. Gragg | 54 | Head | Mail Carrier | Virginia |
| 69 | Alice R. Gragg | 48 | Wife | — | Virginia |
| 70 | Earle M. Gragg | 23 | Son | Printer | Virginia |
| 71 | Robert M. Gragg | 18 | Son | Clerk | Virginia |
| 72 | Sarah E. Gragg | 10 | Daughter | — | Virginia |
| 73 | Elizabeth A. Nash | 50 | Head | — | Virginia |
| 74 | Howard A. Schumann | 49 | Head | Clerk | Pennsylvania |
| 75 | Blanch Schumann | 43 | Wife | — | Virginia |
| 76 | Lester H. Schumann | 1 | Son | — | Virginia |
| 77 | Mary Stanback | 15 | Daughter | — | Virginia |
| 78 | Arthur Summers | 50 | Head | Merchant | Greece |
| 79 | Helen Summers | 39 | Wife | — | Greece |
| 80 | Thomas Summers | 10 | Son | — | Greece |
| 81 | Gus Summers | 9 | Son | — | Greece |
| 82 | Sidney S. Smith | 49 | Head | Mail Carrier | Virginia |
| 83 | Clara M. Smith | 48 | Wife | — | Missouri |
| 84 | Jean M. Smith | 17 | Daughter | — | Virginia |
| 85 | Sidney S. Smith | 15 | Son | — | Virginia |
| 86 | Richard S. Tely | 44 | Head | Lawyer | Virginia |
| 87 | Caroline S. Tely | 42 | Wife | — | Virginia |
| 88 | Richard S. Tely | 14 | Son | — | Virginia |
| 89 | Adair A. Tely | 8 | Daughter | — | Virginia |
| 90 | Anna M. Tely | 6 | Daughter | — | Virginia |
| 91 | Roy C. Thomas | 42 | Head | Superintendent | Virginia |
| 92 | Ruth R. Thomas | 40 | Wife | — | Virginia |
| 93 | John C. Thomas | 16 | Son | — | Virginia |
| 94 | Louise Thomas | 12 | Daughter | — | District Columbia |
| 95 | Ruth Thomas | 10 | Daughter | — | District Columbia |
| 96 | Mary Thomas | 7 | Daughter | — | Virginia |
| 97 | Robert Thomas | 5 | Son | — | Virginia |
| 98 | Lillian Thomas | 5 | Daughter | — | Virginia |
| 99 | Roy C. Jr. Thomas THIS PERSON | 2 | Son | — | Virginia |
| 100 | John Rawlins | 18 | Lodger | Carpenter | Virginia |
Related Census Records
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)