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Thelma Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Ramsey, Minnesota
Our Model Tree links this Thelma Davis across the 1930 and 1940 US Censuses in Ramsey, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 11-person household.
Age 10
b. ~1920
Female
Daughter
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ramsey, Minnesota |
| Surname | Davis |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Texas |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Saint Paul City |
| Est. Birth Year | ~1920 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Loretta Davis | Daughter | — | 12 | ~1918 |
| Katherine Davis | Daughter | — | 16 | ~1914 |
| Adelle Davis | Daughter | — | 5 | ~1925 |
| Adeline Davis | Daughter | — | ~1930 | |
| Annie Davis | Daughter | — | 7 | ~1923 |
| Thelma Davis | Daughter | — | 10 | ~1920 |
| George Davis | Head | — | 42 | ~1888 |
| Bertha Davis | Other | — | 34 | ~1896 |
| Abel Davis | Son | — | 2 | ~1928 |
| Caleb Davis | Son | — | 2 | ~1928 |
| George Davis | Son | — | 3 | ~1927 |
Census Appearances
1930
Ramsey, Minnesota
Daughter, age 10
Ramsey, Minnesota · implied b. ~1920 — 11 household members
| Surname | Davis |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Texas |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Daughter, age 20
Ramsey-County, Minnesota · implied b. ~1920 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Themla |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | City of St. Paul |
| 1935 Residence (County) | Ramsey |
| Highest Grade | Hs 4-210 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Thelma Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Davis
Daughter · 1930 · age 10 · b. ~1920 · Minnesota
★ You are viewing this record
Sibling
Katherine Davis
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adelle Davis
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Caleb Davis
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Davis
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Davis
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adeline Davis
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Davis
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abel Davis
Sibling · 1930 · age 2
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 — Ramsey, Minnesota
Open full size
1930 US Federal Census — Ramsey, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1122:0964)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Roy R. Williams | 40 | Head | Car Washer | Wisconsin |
| 52 | Carrie B. Williams | 40 | Wife-H | None | Missouri |
| 53 | Richard L. Williams | 17 | Son | None | Wisconsin |
| 54 | Lorraine M. Williams | 15 | Daughter | None | Minnesota |
| 55 | Arleen L. Williams | 13 | Daughter | None | Minnesota |
| 56 | Robert Blair | 47 | Head | Trainman | Illinois |
| 57 | Anna Blair | 46 | Wife-H | None | Illinois |
| 58 | Richard Jr. Blair | 20 | Son | Clerk | Minnesota |
| 59 | Ella M. Blair | 16 | Daughter | None | Minnesota |
| 60 | Mercedes A. Blair | 14 | Daughter | None | Minnesota |
| 61 | Robert E. Blair | 10 | Son | None | Minnesota |
| 62 | George Davis | 42 | Head | Missionary | Texas |
| 63 | Bertha Davis | 34 | Wife-H | None | Tennessee |
| 64 | Katherine Davis | 16 | Daughter | None | Minnesota |
| 65 | Loretta Davis | 12 | Daughter | None | Minnesota |
| 66 | Thelma Davis THIS PERSON | 10 | Daughter | None | Minnesota |
| 67 | Annie Davis | 7 | Daughter | None | Minnesota |
| 68 | Adelle Davis | 5 | Daughter | None | Minnesota |
| 69 | George R. Davis | 3 | Son | None | Minnesota |
| 70 | Caleb R. Davis | 2 | Son | None | Minnesota |
| 71 | Abel R. Davis | 2 | Son | None | Minnesota |
| 72 | Adeline Davis | 0 | Daughter | None | Minnesota |
| 73 | Erich G. Flett | 38 | Head | Proprietor | Germany |
| 74 | Rose A. Flett | 38 | Wife-H | None | Minnesota |
| 75 | Ralph A. Flett | 13 | Son | None | Minnesota |
| 76 | Ruth M. Flett | 12 | Daughter | None | Minnesota |
| 77 | Eleanor F. Flett | 9 | Daughter | None | Minnesota |
| 78 | Donna M. Flett | 2 | Daughter | None | Minnesota |
| 79 | Frank Y. Scherman | 46 | Head | Messenger | Minnesota |
| 80 | Helen M. Scherman | 46 | Wife-H | None | Germany |
| 81 | Frank J. Scherman | 15 | Son | None | Minnesota |
| 82 | Joseph A. Scherman | 13 | Son | None | Minnesota |
| 83 | Katherine R. Scherman | 11 | Daughter | None | Minnesota |
| 84 | Katherine Grosser | 58 | Head | None | Austria-Bohemia |
| 85 | John P. Grosser | 38 | Son | Carpenter | Minnesota |
| 86 | Theresa Grosser | 28 | Daughter-in-law | Bookkeeper | Minnesota |
| 87 | Phyllis Grosser | 8 | Gr. Daughter | None | Minnesota |
| 88 | Albert J. Grosser | 22 | Son | Bookkeeper | Minnesota |
| 89 | H. D. Peterson | 37 | Head | Contractor | Minnesota |
| 90 | Minnie A. Peterson | 35 | Wife-H | None | Minnesota |
| 91 | Harry H. Peterson | 10 | Son | None | Minnesota |
| 92 | Wayne R. Peterson | 8 | Daughter | None | Minnesota |
| 93 | Betty Jo Peterson | 4 | Daughter | None | Minnesota |
| 94 | Lorraine A. Peterson | 2 | Daughter | None | Minnesota |
| 95 | William H. Peterson | 0 | Son | None | Minnesota |
| 96 | Elizabeth Scott | 64 | Head | None | Pennsylvania |
| 97 | Charles S. Scott | 34 | Son | Car Washer | Minnesota |
| 98 | Emil Richway | 42 | Head | Pressman | Minnesota |
| 99 | Elsie Richway | 42 | Wife-H | None | Minnesota |
| 100 | John A. Smith | 45 | Head | Waiter | Jamaica-B.W.I. |
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)