IT
Ida Thomas — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Ida Thomas across the 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 10-person household.
Age 12
b. ~1908
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Thomas |
| Given Name | Ida May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1908 |
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 1920 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Ida Thomas | Daughter | — | 12 | ~1908 |
| Dorothy Thomas | Daughter | — | 9 | ~1911 |
| Edith Thomas | Daughter | — | 1 | ~1919 |
| Ethel Thomas | Daughter | — | 3 | ~1917 |
| Ruth Thomas | Daughter | — | 6 | ~1914 |
| James Thomas | Head | — | 40 | ~1880 |
| Clarence Thomas | Son | — | 18 | ~1902 |
| Albert Thomas | Son | — | 5 | ~1915 |
| James Thomas | Son | — | 14 | ~1906 |
| Ada Thomas | Spouse | — | 40 | ~1880 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age 3
Allegheny, Pennsylvania · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ida E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 12
Allegheny, Pennsylvania · implied b. ~1908 — 10 household members
| Surname | Thomas |
| Given Name | Ida May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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 |
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 Ida Thomas across 2 US Census years (1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Thomas
Daughter · 1920 · age 12 · b. ~1908 · Pennsylvania
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Sibling
Albert Thomas
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Thomas
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Thomas
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thomas
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Thomas
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Thomas
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thomas
Sibling · 1920 · 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
1920 US Federal Census — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1521unit:0589)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gertrude W. Young | 37 | Wife | — | Pennsylvania |
| 52 | Howard B. Young | 11 | Son | — | Pennsylvania |
| 53 | Gretchen A. Young | 5 | Daughter | — | Pennsylvania |
| 54 | Henry Bogert | 71 | Father-in-law | — | Germany |
| 55 | James R. Thomas | 40 | Head | Machinist | Pennsylvania |
| 56 | Ada May Thomas | 40 | Wife | — | Pennsylvania |
| 57 | Clarence R. Thomas | 18 | Son | Electrical Engineering | Pennsylvania |
| 58 | James A. Thomas | 14 | Son | — | Pennsylvania |
| 59 | Ida May Thomas THIS PERSON | 12 | Daughter | — | Pennsylvania |
| 60 | Dorothy A. Thomas | 9 | Daughter | — | Pennsylvania |
| 61 | Ruth L. Thomas | 6 | Daughter | — | Pennsylvania |
| 62 | Albert E. Thomas | 5 | Son | — | Pennsylvania |
| 63 | Ethel M. Thomas | 3 | Daughter | — | Pennsylvania |
| 64 | Edith L. Thomas | 1 | Daughter | — | Pennsylvania |
| 65 | Carl V. Olson | 44 | Head | Roll Catcher | Sweden |
| 66 | Sophia Olson | 43 | Wife | — | Sweden |
| 67 | John W. Rhodes | 39 | Head | Carpenter | Pennsylvania |
| 68 | Elva M. Rhodes | 40 | Wife | — | Pennsylvania |
| 69 | Cora Mae Rhodes | 16 | Daughter | — | Pennsylvania |
| 70 | John W. Rhodes | 12 | Son | — | Pennsylvania |
| 71 | Elizabeth M. Rhodes | 2 | Daughter | — | Pennsylvania |
| 72 | Grace L. Triplett | 48 | Sister-in-law | Bookkeeper | Pennsylvania |
| 73 | John H. Knobloch | 37 | Head | Bolt Maker | Pennsylvania |
| 74 | Lillian Knobloch | 35 | Wife | — | Illinois |
| 75 | Margaret Knobloch | 13 | Daughter | — | Pennsylvania |
| 76 | Lillian Knobloch | 11 | Daughter | — | Pennsylvania |
| 77 | Ruth Knobloch | 10 | Daughter | — | Pennsylvania |
| 78 | Jack A. Knobloch | 1 | Son | — | Pennsylvania |
| 79 | James H. Knobloch | 1 | Son | — | Pennsylvania |
| 80 | Aline C. Knobloch | 0 | Daughter | — | Pennsylvania |
| 81 | Albert Bergmark | 65 | Father-in-law | Laborer | Sweden |
| 82 | Mary C. Bergmark | 72 | Mother-in-law | — | Sweden |
| 83 | Henry M. Akuratny | 43 | Head | Waiter | Galicia |
| 84 | Mary N. Akuratny | 34 | Wife | — | Ohio |
| 85 | Henry J. Akuratny | 15 | Son | Special Delivery | Pennsylvania |
| 86 | Elizabeth A. Akuratny | 13 | Daughter | — | Pennsylvania |
| 87 | Margaret K. Akuratny | 1 | Daughter | — | Pennsylvania |
| 88 | Albert Berlipp | 44 | Head | City Salesman | Pennsylvania |
| 89 | Anna B. Berlipp | 40 | Wife | — | Pennsylvania |
| 90 | Grace H. Berlipp | 10 | Daughter | — | Pennsylvania |
| 91 | Marian E. Berlipp | 7 | Daughter | — | Pennsylvania |
| 92 | Dorothy M. Berlipp | 1 | Daughter | — | Pennsylvania |
| 93 | Reinhold H. Heinert | 68 | Father-in-law | Retired | Brandenburg |
| 94 | Mary B. Heinert | 62 | Mother-in-law | — | Bavaria |
| 95 | Frederick A. Grunert | 58 | Head | City Salesman | Ohio |
| 96 | Elizabeth M. Grunert | 44 | Wife | — | Bavaria |
| 97 | Lillian A. Grunert | 22 | Daughter | Stenographer | Pennsylvania |
| 98 | William F. Grunert | 18 | Son | Salesman | Pennsylvania |
| 99 | Francis J. Grunert | 13 | Son | — | Pennsylvania |
| 100 | Clement B. Grunert | 6 | Son | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)