RC
Robert Curtis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Curtis across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Harry & Herbert — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Curtis |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Highlands - Reading |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Meat Product Wholesaler |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Highlands Reading |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Martha Curtis | Spouse | — | 68 | ~1872 |
| Harry Curtis | Head | — | 31 | ~1909 |
| Helen Curtis | Daughter | — | 24 | ~1916 |
| Grace Curtis | Daughter | — | 27 | ~1913 |
| Robert Curtis | Son | — | 22 | ~1918 |
| Ruth Curtis | Daughter | — | 37 | ~1903 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Northern Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 22
Middlesex-County, Massachusetts · implied b. ~1918 — 6 household members
| Surname | Curtis |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Highlands - Reading |
| 1935 Residence (County) | Middlesex |
| Occupation | Clerk |
| Industry | Meat Product Wholesaler |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H-4 |
| 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 Curtis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Curtis (~0.60 confidence) and father Herbert Curtis (~0.92 confidence) and father Moses Curtis (~0.92 confidence) and mother Martha Curtis (~0.92 confidence) and mother Martha Curtis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Harry Curtis
b. ~1909
Source father
● Household
· direct · ~0.6
Father
Herbert Curtis
b. ~1859
Source father
● Household
· direct · ~0.92
Father
Moses Curtis
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Martha Curtis
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Martha Curtis
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Curtis
Son · 1940 · age 22 · b. ~1918 · Massachusetts
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Sibling
Helen Curtis
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Curtis
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Curtis
Sibling · 1940 · age 37
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 — 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-t0627-01617-00269)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eleanor Heselton | 19 | Daughter | Machine Helper | Massachusetts |
| 42 | Doris Heselton | 17 | Daughter | — | Massachusetts |
| 43 | Marion Heselton | 16 | Daughter | — | Massachusetts |
| 44 | Barbara Heselton | 14 | Daughter | — | Massachusetts |
| 45 | Michael Heselton | 13 | Son | — | Massachusetts |
| 46 | Bernice Heselton | 11 | Daughter | — | Massachusetts |
| 47 | Loretta Heselton | 9 | Daughter | — | Massachusetts |
| 48 | Shirley Heselton | 8 | Daughter | — | Massachusetts |
| 49 | Hazel Judith Heselton | 5 | Daughter | — | Massachusetts |
| 50 | George Fennelly | 45 | Head | Laborer | Massachusetts |
| 51 | Annie M. Fennelly | 42 | Wife | — | Massachusetts |
| 52 | Anna M. Fennelly | 19 | Daughter | New Worker | Massachusetts |
| 53 | Sarah C. Fennelly | 12 | Daughter | — | Massachusetts |
| 54 | George Fennelly | 15 | Son | — | Massachusetts |
| 55 | William A. Fennelly | 12 | Son | — | Massachusetts |
| 56 | Gertrude L. Kuta | 20 | Daughter | — | Massachusetts |
| 57 | Charles F. Kuta | 25 | Son-in-law | Salesman | Canada English |
| 58 | Janice L. Kuta | 1 | Granddaughter | — | Massachusetts |
| 59 | Hazel A. Kuta | 0 | Daughter | — | Massachusetts |
| 60 | Frank D. Forbes | 48 | Head | Tree Surgeon | Massachusetts |
| 61 | Margaret B. Forbes | 40 | Wife | — | Canada English |
| 62 | Jeanette L. Forbes | 18 | Daughter | New Worker | Massachusetts |
| 63 | George Means | 64 | Head | Stationary Engineer | Massachusetts |
| 64 | Helena F. Means | 65 | Wife | — | Massachusetts |
| 65 | George Jr. Means | 29 | Son | Salesman | Massachusetts |
| 66 | Harry Curtis | 31 | Head | — | Massachusetts |
| 67 | Martha Curtis | 68 | Wife | — | Ireland |
| 68 | Ruth P. Curtis | 37 | Daughter | Secretary | Massachusetts |
| 69 | Grace L. Curtis | 27 | Daughter | Secretary | Massachusetts |
| 70 | Helen M. Curtis | 24 | Daughter | Stenographer | Massachusetts |
| 71 | Robert A. Curtis THIS PERSON | 22 | Son | Clerk | Massachusetts |
| 72 | Mary E. Runge | 69 | Head | — | Canada English |
| 73 | Virginia Runge | 20 | Niece | Housekeeper | Massachusetts |
| 74 | Mary E. Flack | 53 | Head | — | Canada English |
| 75 | Walter J. Flack | 23 | Son | Stuffing Clerk | Massachusetts |
| 76 | George L. Flack | 14 | Son | — | Massachusetts |
| 77 | John C. Rosa | 44 | Head | Truck Driver | Massachusetts |
| 78 | Elizabeth J. Rosa | 44 | Wife | — | Massachusetts |
| 79 | Alfred J. Rosa | 21 | Son | Orderly | Massachusetts |
| 80 | Anthony C. Rosa | 18 | Son | Counter Boy | Massachusetts |
Related Census Records
Pedigree Summary
Robert + 3 siblings
Gen 1 · 5 parents
~0.86
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)