RB
Ruth Butler — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Ruth Butler across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 9-person household.
Age 26
b. ~1914
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Butler |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Comptometer Operator |
| Industry | Office Work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Comptometer Operator |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1914 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Margaret Butler | Daughter | — | 29 | ~1911 |
| Beatrice Butler | Daughter | — | 23 | ~1917 |
| Thomas Butler | Son | — | 25 | ~1915 |
| Raymond Butler | Son | — | 31 | ~1909 |
| Mary Butler | Spouse | — | 61 | ~1879 |
| Thomas Butler | Head | — | 60 | ~1880 |
| Ruth Butler | Daughter | — | 26 | ~1914 |
| Lillian Butler | Daughter | — | 29 | ~1911 |
| Elizabeth Butler | Daughter | — | 32 | ~1908 |
Census Appearances
1930
Allegheny, Pennsylvania
Other, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Ruth |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 26
Allegheny-County, Pennsylvania · implied b. ~1914 — 9 household members
| Surname | Butler |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Comptometer Operator |
| Industry | Office Work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Ruth Butler across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Butler
Daughter · 1940 · age 26 · b. ~1914 · Pennsylvania
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Sibling
Thomas Butler
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Butler
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Butler
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Butler
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Butler
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Butler
Sibling · 1940 · age 29
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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03658-00543)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Butler | 60 | Head | Fireman | Irish Free State |
| 2 | Mary Butler | 61 | Wife | — | Irish Free State |
| 3 | Elizabeth Butler | 32 | Daughter | Stenographer | Pennsylvania |
| 4 | Raymond Butler | 31 | Son | Motorman | Pennsylvania |
| 5 | Margaret L Butler | 29 | Daughter | Clerk | Pennsylvania |
| 6 | Lillian Mary Butler | 29 | Daughter | — | Pennsylvania |
| 7 | Ruth Butler THIS PERSON | 26 | Daughter | Comptometer Operator | Pennsylvania |
| 8 | Thomas Butler | 25 | Son | Milk Man | Pennsylvania |
| 9 | Beatrice Butler | 23 | Daughter | Comptometer Operator | Pennsylvania |
| 11 | John H King | 48 | Head | Welder | Pennsylvania |
| 12 | Elsie King | 44 | Wife | — | Pennsylvania |
| 13 | Frederick King | 20 | Son | Armature Winder | Pennsylvania |
| 14 | James P King | 18 | Son | — | Pennsylvania |
| 15 | Matthew Smyth | 46 | Head | Laborer | Northern Ireland |
| 16 | Margaret Smyth | 43 | Wife | — | Northern Ireland |
| 17 | James Smyth | 14 | Son | — | Pennsylvania |
| 18 | Matthew Jr. Smyth | 11 | Son | — | Pennsylvania |
| 19 | Elizabeth Smyth | 8 | Daughter | — | Pennsylvania |
| 20 | Thomas R Mckelvey | 43 | Head | Selector | Northern Ireland |
| 21 | Annie Mckelvey | 35 | Wife | — | Northern Ireland |
| 22 | Thomas Jr. Mckelvey | 9 | Son | — | Pennsylvania |
| 23 | Walter Francis | 37 | Head | Fireman | New Jersey |
| 24 | Cathryn Francis | 37 | Wife | — | Pennsylvania |
| 25 | Betty Francis | 20 | Daughter | New Worker | Pennsylvania |
| 26 | Edward Francis | 14 | Son | New Worker | Pennsylvania |
| 27 | George Mcquillen | 44 | Head | Caretaker | Pennsylvania |
| 28 | Jean Mcquillen | 51 | Wife | — | Pennsylvania |
| 29 | George Mcquillen | 27 | Son | Upholsterer | Pennsylvania |
| 30 | Walter Mcquillen | 23 | Son | Warehouse Man | Pennsylvania |
| 31 | Robert Mcquillen | 13 | Son | — | Pennsylvania |
| 32 | Matilda Mcquillen | 68 | Mother-in-law | — | Pennsylvania |
| 33 | Thomas O Fry | 52 | Head | Watchman | Pennsylvania |
| 34 | Lillian M Fry | 72 | Mother | — | Pennsylvania |
| 35 | Joseph B Ewing | 65 | Head | Engineer | Northern Ireland |
| 36 | Rebecca Ewing | 59 | Wife | — | Pennsylvania |
| 37 | Dorothy Ewing | 32 | Daughter | Clerk | Canada |
| 38 | Robert Ewing | 18 | Son | Shipping Clerk | Pennsylvania |
| 39 | James Fitzpatrick | 46 | Head | Acrobat | Iowa |
| 40 | Florence Fitzpatrick | 39 | Wife | — | Pennsylvania |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)