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Charles Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Charles Carroll across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Lena & Edward — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Carroll |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Store |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 432 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Woburn City |
| Est. Birth Year | ~1917 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Lena Carroll | Head | — | 53 | ~1887 |
| Charles Carroll | Son | — | 23 | ~1917 |
| Joseph Erwin | Other | — | 53 | ~1887 |
| Nellie Carroll | Son | — | 21 | ~1919 |
| Timothy Carroll | Son | — | 27 | ~1913 |
| James Carroll | Son | — | 29 | ~1911 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Charles E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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 23
Middlesex-County, Massachusetts · implied b. ~1917 — 6 household members
| Surname | Carroll |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn City |
| 1935 Residence (County) | Middlesex |
| Occupation | Chauffeur |
| Industry | Store |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 432 |
| Highest Grade | Hs 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 Charles Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Lena Carroll (~0.92 confidence) and father Edward Carroll (~0.92 confidence) and father Edward Carroll (~0.92 confidence) and mother Elizabeth Carroll (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Lena Carroll
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Edward Carroll
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Edward Carroll
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Carroll
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Carroll
Son · 1940 · age 23 · b. ~1917 · Massachusetts
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Sibling
Timothy Carroll
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Carroll
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Carroll
Sibling · 1940 · age 21
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-t0627-01622-00714)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Daughnessey | 71 | Father | Laborer | Massachusetts |
| 42 | Philip Loughlin | 52 | Head | Laborer | Massachusetts |
| 43 | Josephine Loughlin | 47 | Wife | — | Massachusetts |
| 44 | Philip Loughlin | 23 | Son | New Worker | Massachusetts |
| 45 | Charles Loughlin | 20 | Son | New Worker | Massachusetts |
| 46 | James Loughlin | 15 | Son | — | Massachusetts |
| 47 | Patrick Stabile | 48 | Head | Barber | Italy |
| 48 | Theresa Stabile | 46 | Wife | — | Italy |
| 49 | Alvera Stabile | 7 | Daughter | — | Massachusetts |
| 50 | Apostolos Thomas | 36 | Head | Staker | Greece |
| 51 | Mary Thomas | 26 | Wife | Packer | Massachusetts |
| 52 | Lena Carroll | 53 | Head | — | Eire Ireland |
| 53 | James Carroll | 29 | Son | Clerk | Massachusetts |
| 54 | Timothy Carroll | 27 | Son | Truck Driver | Massachusetts |
| 55 | Charles Carroll THIS PERSON | 23 | Son | Chauffeur | Massachusetts |
| 56 | Nellie Carroll | 21 | Son | Clerk | Massachusetts |
| 57 | Joseph Erwin | 53 | Lodger | Laborer | Massachusetts |
| 58 | Thomas Fally | 48 | Head | Laborer | No. Ireland |
| 59 | Delia Fally | 55 | Wife | — | No. Ireland |
| 60 | Madalene Fally | 21 | Daughter | Maid | Massachusetts |
| 61 | Mary Pettie | 49 | Head | — | Virginia |
| 62 | Lester Pettie | 53 | Son | Fireman | Virginia |
| 63 | Mary Pettie | 43 | Daughter | Maid | New York |
| 64 | Claude Pettie | 26 | Son | Laborer | Massachusetts |
| 65 | James Pettie | 47 | Head | Laborer | Virginia |
| 66 | Bessie Pettie | 40 | Wife | — | Virginia |
| 67 | James Pettie | 23 | Son | New Worker | Massachusetts |
| 68 | Rosalie Pettie | 19 | Daughter | Nursemaid | Massachusetts |
| 69 | Virginia Pettie | 16 | Daughter | — | Massachusetts |
| 70 | Elizabeth Pettie | 14 | Daughter | — | Massachusetts |
| 71 | Caroline Pettie | 13 | Daughter | — | Massachusetts |
| 72 | Priscilla Pettie | 12 | Daughter | — | Massachusetts |
| 73 | Robert Pettie | 9 | Son | — | Massachusetts |
| 74 | Warren Pettie | 8 | Son | — | Massachusetts |
| 75 | Viola Pettie | 3 | Daughter | — | Massachusetts |
| 76 | Margaret Hogan | 64 | Head | — | Massachusetts |
| 77 | Harold Hogan | 29 | Son | Laborer | Massachusetts |
| 78 | Leo Hogan | 27 | Son | Trimmer | Massachusetts |
| 79 | Harry Robinowitz | 63 | Head | Junk Collector | Russia |
| 80 | Rose Robinowitz | 58 | Wife | — | Russia |
Pedigree Summary
Charles + 3 siblings
Gen 1 · 4 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)