RB
Robert Butler — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Robert Butler across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 12-person household.
Age 42
b. ~1898
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Butler |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Pennsylvania |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Laborer |
| Industry | Rug Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 870 |
| Highest Grade | No 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Chester |
| Est. Birth Year | ~1898 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Butler | Daughter | — | 7 | ~1933 |
| Edna Butler | Daughter | — | 18 | ~1922 |
| Rosa Butler | Daughter | — | 13 | ~1927 |
| Robert Butler | Head | — | 42 | ~1898 |
| Nathan Butler | Other | — | 16 | ~1924 |
| Eugene Butler | Son | — | 20 | ~1920 |
| William Butler | Son | — | 9 | ~1931 |
| James Butler | Son | — | 15 | ~1925 |
| Jessie Butler | Son | — | 12 | ~1928 |
| Robert Butler | Son | — | 17 | ~1923 |
| Donald Butler | Son | — | 5 | ~1935 |
| Ethel Butler | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Delaware, Pennsylvania
Other, age 37
Delaware, Pennsylvania · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Robert |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 34 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Oil Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Delaware-County, Pennsylvania
Head, age 42
Delaware-County, Pennsylvania · implied b. ~1898 — 12 household members
| Surname | Butler |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Pennsylvania |
| 1935 Residence (County) | Delaware |
| Occupation | Laborer |
| Industry | Rug Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 870 |
| Highest Grade | No 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Robert Butler across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Butler
Head · 1940 · age 42 · b. ~1898 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03489-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Darling | 37 | Roomer | Laborer | Virginia |
| 2 | Lottie Bishop | 43 | Roomer | Maid | Virginia |
| 3 | Joseph (X) Ditto | 33 | Head | Janitor | Maryland |
| 4 | Eudora Ditto | 18 | Nephew | — | Pennsylvania |
| 5 | Florence Ballard | 48 | Head | Cook | Maryland |
| 6 | Edward Wilson | 42 | Head | Laborer | Delaware |
| 7 | Linda (X) Wilson | 28 | Wife | — | Delaware |
| 8 | Wendell Wilson | 5 | Son | — | Pennsylvania |
| 9 | Lillian Wilson | 2 | Dau | — | Pennsylvania |
| 10 | Harvey Neilson | 32 | Head | Laborer | Pennsylvania |
| 11 | Marion Neilson | 32 | Wife | — | Delaware |
| 12 | Lela (X) Jones | 52 | Head | Domestic | Maryland |
| 13 | Spurgeon Williams | 35 | Head | Laborer | South Carolina |
| 14 | Katie (X) Williams | 30 | Wife | — | South Carolina |
| 15 | Robert Bryant | 23 | Cousin | Laborer | South Carolina |
| 16 | Linwood Foster | 35 | Head | Laborer | Virginia |
| 17 | Dora (X) Foster | 28 | Wife | — | Maryland |
| 18 | Levisa Showell | 29 | Roomer | W. P. A. | Maryland |
| 19 | Robert Butler THIS PERSON | 42 | Head | Laborer | Maryland |
| 20 | Ethel (X) Butler | 39 | Wife | — | Pennsylvania |
| 21 | Eugene Butler | 20 | Son | New Worker | Pennsylvania |
| 22 | Edna Butler | 18 | Daughter | — | Pennsylvania |
| 23 | Robert Jr. Butler | 17 | Son | — | Pennsylvania |
| 24 | Nathan Butler | 16 | Nephew | — | Pennsylvania |
| 25 | James Butler | 15 | Son | — | Pennsylvania |
| 26 | Rosa Butler | 13 | Daughter | — | Pennsylvania |
| 27 | Jessie Butler | 12 | Son | — | Pennsylvania |
| 28 | William Butler | 9 | Son | — | Pennsylvania |
| 29 | Dorothy Butler | 7 | Daughter | — | Pennsylvania |
| 30 | Donald Butler | 5 | Son | — | Pennsylvania |
| 31 | James Milburn | 36 | Head | W. P. A. | Maryland |
| 32 | Lizzie (X) Milburn | 55 | Wife | — | Delaware |
| 33 | Samuel Pratt | 52 | Head | Laborer | Georgia |
| 34 | Josephine (X) Pratt | 49 | Wife | Housekeeper | Georgia |
| 35 | John Nail | 49 | Head | Laborer | South Carolina |
| 36 | Elivora Nail | 41 | Wife | Domestic | South Carolina |
| 37 | John Edward Nail | 12 | Son | — | Pennsylvania |
| 38 | Lewis Smith | 49 | Head | Laborer | South Carolina |
| 39 | Elivora (X) Smith | 38 | Wife | — | South Carolina |
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)