RB
Robert Butler — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Butler across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Velma & Ernest — first a son (b.~1904), then head of a 6-person household.
Age 36
b. ~1904
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Butler |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden (city) |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1904 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Velma Butler | Head | — | 72 | ~1868 |
| Henrietta Harris | Other | — | 52 | ~1888 |
| Ralph Harris | Other | — | 52 | ~1888 |
| Madelyn Harris | Other | — | 20 | ~1920 |
| Ralph Harris | Other | — | 18 | ~1922 |
| Robert Butler | Son | — | 36 | ~1904 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 27
Middlesex, Massachusetts · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 36
Middlesex-County, Massachusetts · implied b. ~1904 — 6 household members
| Surname | Butler |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden (city) |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 0 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Velma Butler (~0.92 confidence) and father Ernest Butler (~0.92 confidence) and mother Velma Butler (~0.92 confidence) and mother Alma Butler (~0.92 confidence) and father Ernest Butler (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Velma Butler
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
Ernest Butler
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Velma Butler
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Alma Butler
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Ernest Butler
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Butler
Son · 1940 · age 36 · b. ~1904 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01608-00038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Fox | 9 | Daughter | — | Massachusetts |
| 42 | Robert A Fox | 4 | Son | — | Massachusetts |
| 43 | Anna Fox | 25 | Sister | Cashier | Massachusetts |
| 44 | Velma B Butler | 72 | Head | — | Massachusetts |
| 45 | Robert Butler THIS PERSON | 36 | Son | — | Massachusetts |
| 46 | Ralph Harris | 52 | Lodger | Manager Of Garage | Massachusetts |
| 47 | Henrietta Harris | 52 | Lodger | — | Massachusetts |
| 48 | Madelyn Harris | 20 | Lodger | Biller | Massachusetts |
| 49 | Ralph Harris | 18 | Lodger | Iron Worker | Massachusetts |
| 50 | Hugh Magill | 63 | Head | Clergy | Northern Ireland |
| 51 | Hannah H Magill | 61 | Wife | — | Pennsylvania |
| 52 | Hugh P Jr Magill | 25 | Son | Bank Clerk | Pennsylvania |
| 53 | Catherine Magill | 23 | Daughter | — | Pennsylvania |
| 54 | William H Magill | 22 | Son | — | Pennsylvania |
| 55 | Joseph B Magill | 20 | Son | — | New York |
| 56 | Marion R Magill | 18 | Daughter | — | New York |
| 57 | Florence D Aurnham | 62 | Head | — | Massachusetts |
| 58 | Charles Aurnham | 70 | Lodger | Electrician | Massachusetts |
| 59 | Helen M Fitzpatrick | 55 | Head | Packer | Massachusetts |
| 60 | Mary Fitzpatrick | 30 | Daughter | Stenographer | Massachusetts |
| 61 | James Fitzpatrick | 16 | Son | — | Massachusetts |
| 62 | Alfred Taplace | 32 | Head | Accountant | Colorado |
| 63 | Gertrude Taplace | 29 | Wife | — | Massachusetts |
| 64 | Louis R Stavis | 56 | Head | Executive | Russia |
| 65 | Sadie Stavis | 51 | Wife | — | Russia |
| 66 | Madeline Stavis | 27 | Daughter | Secretary | Massachusetts |
| 67 | Joseph Stavis | 19 | Son | — | Massachusetts |
| 68 | Bernard Stavis | 15 | Son | — | Massachusetts |
| 69 | Claude Hibbard | 64 | Head | Master Mechanic | New York |
| 70 | Cora G Hibbard | 58 | Wife | — | New York |
| 71 | Minnie Hibbard | 82 | Mother | — | New York |
| 72 | Edward Stiles | 63 | Lodger | Book Keeper | Massachusetts |
| 73 | Chester Palmer | 51 | Head | Fireman | Massachusetts |
| 74 | Ida Palmer | 63 | Wife | — | Massachusetts |
| 75 | Lorraine Palmer | 30 | Daughter | Clerk | Massachusetts |
| 76 | Fred C Palmer | 76 | Father | — | Maine |
| 77 | Catherine Wilson | 68 | Lodger | — | Canada Eng |
| 78 | Richard H Roberts | 59 | Head | — | England |
| 79 | Ethel Roberts | 57 | Wife | — | Massachusetts |
| 80 | Edith Hallen | 57 | Sister in law | Card Inspector | Massachusetts |
Pedigree Summary
Robert
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)