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Gertrude Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Columbia, Pennsylvania
Our Model Tree links this Gertrude Thomas across the 1920 and 1930 US Censuses in Columbia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 12-person household.
Age 20
b. ~1910
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Columbia, Pennsylvania |
| Surname | Thomas |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Servant |
| Township / Ward | Greenwood Twp |
| Est. Birth Year | ~1910 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Elinor Thomas | Daughter | — | 11 | ~1919 |
| Gerald Thomas | Son | — | 22 | ~1908 |
| Ruth Thomas | Daughter | — | 10 | ~1920 |
| Gertrude Thomas | Daughter | — | 20 | ~1910 |
| Earl Thomas | Son | — | 24 | ~1906 |
| Lena Thomas | Daughter | — | 4 | ~1926 |
| Vera Thomas | Daughter | — | 15 | ~1915 |
| Harold Thomas | Son | — | 13 | ~1917 |
| Deforest Thomas | Head | — | 46 | ~1884 |
| Mary Thomas | Other | — | 46 | ~1884 |
| Helen Thomas | Daughter | — | 17 | ~1913 |
| Doyle Thomas | Daughter | — | 9 | ~1921 |
Census Appearances
1920
Columbia, Pennsylvania
Daughter, age 10
Columbia, Pennsylvania · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Gertrude E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Columbia, Pennsylvania
Daughter, age 20
Columbia, Pennsylvania · implied b. ~1910 — 12 household members
| Surname | Thomas |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Gertrude Thomas across 2 US Census years (1920 and 1930) in Columbia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Gertrude Thomas
Daughter · 1930 · age 20 · b. ~1910 · Pennsylvania
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Sibling
Vera Thomas
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Thomas
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Thomas
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Thomas
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Thomas
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Thomas
Sibling · 1930 · age 4
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
Elinor Thomas
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doyle Thomas
Sibling · 1930 · age 9
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 — Columbia, Pennsylvania
Open full size
1930 US Federal Census — Columbia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2024:0284)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie Moore | 60 | Wife-H | — | Pennsylvania |
| 2 | Charles L. Tatten | 72 | Head | Painter | Pennsylvania |
| 3 | Esther S. Tatten | 70 | Wife-H | — | Pennsylvania |
| 4 | Clyde Appleman | 37 | Head | Carpenter | Pennsylvania |
| 5 | Flo Appleman | 27 | Wife-H | — | Pennsylvania |
| 6 | Juanita Appleman | 3 | Daughter | — | Pennsylvania |
| 7 | Jack Appleman | 2 | Son | — | Pennsylvania |
| 8 | Deforest E. Thomas | 46 | Head | Farmer | Pennsylvania |
| 9 | Mary Thomas | 46 | Wife-H | — | Pennsylvania |
| 10 | Earl Thomas | 24 | Son | Farm Laborer | Pennsylvania |
| 11 | Gerald Thomas | 22 | Son | Farm Laborer | Pennsylvania |
| 12 | Gertrude Thomas THIS PERSON | 20 | Daughter | Servant | Pennsylvania |
| 13 | Helen Thomas | 17 | Daughter | — | Pennsylvania |
| 14 | Vera Thomas | 15 | Daughter | — | Pennsylvania |
| 15 | Harold Thomas | 13 | Son | — | Pennsylvania |
| 16 | Elinor Thomas | 11 | Daughter | — | Pennsylvania |
| 17 | Ruth Thomas | 10 | Daughter | — | Pennsylvania |
| 18 | Lena Thomas | 4 | Daughter | — | Pennsylvania |
| 19 | Doyle Thomas | 9 | Daughter | — | Pennsylvania |
| 20 | Frank Bogart | 68 | Head | — | Pennsylvania |
| 21 | Ella Bogart | 65 | Wife-H | — | Pennsylvania |
| 22 | Harold Bogart | 34 | Son | Painter | Pennsylvania |
| 23 | Emma Bogart | 30 | Daughter-in-law | — | Pennsylvania |
| 24 | William S. Utt | 65 | Head | Stock Dealer | Pennsylvania |
| 25 | Peggy Utt | 56 | Wife-H | — | Pennsylvania |
| 26 | Charles Power | 40 | Hired Man | Laborer | Pennsylvania |
| 27 | Edward Van Dine | 57 | Head | Farmer | Pennsylvania |
| 28 | Anna Van Dine | 44 | Wife-H | — | Virginia |
| 29 | William H. Evans | 44 | Head | Farm Laborer | Pennsylvania |
| 30 | Arminta Evans | 43 | Wife-H | — | Pennsylvania |
| 31 | Donald L. Evans | 7 | Son | — | Pennsylvania |
| 32 | Doyle Evans | 5 | Son | — | Pennsylvania |
| 33 | Dean Evans | 2 | Son | — | Pennsylvania |
| 34 | Brooks Parker | 39 | Head | Care Taker | Pennsylvania |
| 35 | Winifred Parker | 36 | Wife-H | — | Pennsylvania |
| 36 | Mary P. Parker | 14 | Daughter | — | Pennsylvania |
| 37 | Ruth Parker | 6 | Daughter | — | Pennsylvania |
| 38 | Marjorie Parker | 4 | Daughter | — | Pennsylvania |
| 39 | Charles Parker | 2 | Son | — | Pennsylvania |
| 40 | Webster W. Parker | 83 | Father | — | Pennsylvania |
| 41 | James W. Hines | 71 | Head | Farmer | Illinois |
| 42 | Ella Hines | 70 | Wife-H | — | Pennsylvania |
| 43 | Grier L. Derr | 55 | Head | Farmer | Pennsylvania |
| 44 | Alice Derr | 54 | Wife-H | — | Pennsylvania |
| 45 | George W. Walters | 72 | Head | — | Pennsylvania |
| 46 | Emma J. Walters | 65 | Wife-H | — | Pennsylvania |
| 47 | William Kile | 24 | Head | Farmer | Pennsylvania |
| 48 | Lucille Kile | 29 | Wife-H | — | Pennsylvania |
| 49 | John A. Kline | 27 | Head | Farmer | Pennsylvania |
| 50 | Lillian Kline | 25 | Wife-H | Teacher | Pennsylvania |
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)