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Charles Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Charles Carroll across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Anna & Joseph — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Carroll |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Accountant |
| Industry | New Yorker |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 991 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Accountant |
| Township / Ward | Springfield |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Mildred Carroll | Daughter | — | 15 | ~1925 |
| Anna Carroll | Spouse | — | 53 | ~1887 |
| Charles Carroll | Son | — | 22 | ~1918 |
| Edward Carroll | Son | — | 19 | ~1921 |
| Robert Carroll | Son | — | 9 | ~1931 |
| Joseph Carroll | Son | — | 24 | ~1916 |
| Joseph Carroll | Head | — | 53 | ~1887 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age 2
Delaware, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ireland |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Son, age 12
Delaware, Pennsylvania · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 22
Delaware-County, Pennsylvania · implied b. ~1918 — 7 household members
| Surname | Carroll |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Delaware |
| Occupation | Accountant |
| Industry | New Yorker |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 991 |
| Highest Grade | C 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 Charles Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Carroll (~0.92 confidence) and father Joseph Carroll (~0.92 confidence) and mother Anna Carroll (~0.92 confidence) and father Joseph Carroll (~0.92 confidence) and father Joseph Carroll (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Carroll
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Joseph Carroll
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Anna Carroll
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Joseph Carroll
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Joseph Carroll
b. ~1893
Source father
● Household
· direct · ~0.92
This person
Anchor record
Charles Carroll
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Robert Carroll
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Carroll
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Carroll
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Carroll
Sibling · 1940 · age 15
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03496-00198)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Eleen | 8 | Lodger | — | Pennsylvania |
| 42 | J. Frank Brown | 37 | Head | Officer | Pennsylvania |
| 43 | Katherine Brown | 33 | Wife | — | Pennsylvania |
| 44 | J. Frank Jr. Brown | 3 | Nephew | — | Pennsylvania |
| 45 | Charlotte Brown | 1 | Niece | — | Pennsylvania |
| 46 | Frank Gordon Derr | 50 | Head | Manager | Maryland |
| 47 | Blanche G. Derr | 39 | Wife | — | Pennsylvania |
| 48 | E. Elizabeth Derr | 73 | Mother | — | Maryland |
| 49 | Russell Griffiths | 30 | Head | Salesman | Pennsylvania |
| 50 | Alice X. Griffiths | 25 | Wife | — | Pennsylvania |
| 51 | Martha Griffiths | 0 | Daughter | — | Pennsylvania |
| 52 | John Slack | 47 | Head | Carpenter | Pennsylvania |
| 53 | Amelia X. Slack | 47 | Wife | — | Pennsylvania |
| 54 | John Slack | 22 | Son | Carpenter | Pennsylvania |
| 55 | Nadia Slack | 16 | Daughter | — | Pennsylvania |
| 56 | Alan Slack | 10 | Son | — | Pennsylvania |
| 57 | Joseph Carroll | 53 | Head | Steamship Clerk | Pennsylvania |
| 58 | Anna X. Carroll | 53 | Wife | — | Pennsylvania |
| 59 | Joseph Jr. Carroll | 24 | Son | Truck Driver | Pennsylvania |
| 60 | Charles Carroll THIS PERSON | 22 | Son | Accountant | Pennsylvania |
| 61 | Edward Carroll | 19 | Son | Stock-Boy | Pennsylvania |
| 62 | Mildred Carroll | 15 | Daughter | — | Pennsylvania |
| 63 | Robert Carroll | 9 | Son | — | Pennsylvania |
| 64 | Vincent Bricka | 41 | Head | Chemist | Nebraska |
| 65 | Annette X. Bricka | 37 | Wife | — | Tennessee |
| 66 | Frederick Bricka | 16 | Son | — | Pennsylvania |
| 67 | Joan Bricka | 10 | Daughter | — | Pennsylvania |
| 68 | Anne Mae Bricka | 3 | Daughter | — | Pennsylvania |
| 69 | Samuel Stewart | 41 | Head | Pattern Maker | Pennsylvania |
| 70 | Helen X. Stewart | 37 | Wife | — | Pennsylvania |
| 71 | Samuel Jr. Stewart | 17 | Son | — | Pennsylvania |
| 72 | Jesse Sheffer | 52 | Head | Guard | Pennsylvania |
| 73 | Annie X. Sheffer | 49 | Wife | — | Pennsylvania |
| 74 | Francis Sheffer | 16 | Daughter | — | Pennsylvania |
| 75 | James Sheffer | 15 | Son | — | Pennsylvania |
| 76 | Earle Sheffer | 13 | Son | — | Pennsylvania |
| 77 | Jesse M. Sheffer | 11 | Son | — | Pennsylvania |
| 78 | Thomas Ward | 33 | Head | Agent | Pennsylvania |
| 79 | Rose X. Ward | 30 | Wife | — | Pennsylvania |
| 80 | Celia Ward | 6 | Daughter | — | Pennsylvania |
Pedigree Summary
Charles + 4 siblings
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)