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Mary Mccarthy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Anne-Arundel-County, Maryland
Our Model Tree links this Mary Mccarthy across the 1930 and 1940 US Censuses in Anne-Arundel-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Anne-Arundel-County, Maryland |
| Surname | McCarthy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Packer |
| Industry | Radio Plant |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 650 |
| Highest Grade | Hs 3 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Packer |
| Township / Ward | Elec Dist 3 |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Verna Mccarthy | Daughter | — | 13 | ~1927 |
| Madaline Mccarthy | Daughter | — | 16 | ~1924 |
| Delores Mccarthy | Daughter | — | 8 | ~1932 |
| Mary Mccarthy | Daughter | — | 18 | ~1922 |
| Ernest Mccarthy | Head | — | 47 | ~1893 |
| Anthony Mccarthy | Son | — | 5 | ~1935 |
| Edward Mccarthy | Son | — | 4 | ~1936 |
| Ernest Mccarthy | Son | — | 12 | ~1928 |
| Emma Mccarthy | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 8
Baltimore, Maryland · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Anne-Arundel-County, Maryland
Daughter, age 18
Anne-Arundel-County, Maryland · implied b. ~1922 — 9 household members
| Surname | McCarthy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Occupation | Packer |
| Industry | Radio Plant |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 650 |
| Highest Grade | Hs 3 |
| 1935 Residence | Maryland |
| 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 Mary Mccarthy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mccarthy
Daughter · 1940 · age 18 · b. ~1922 · Maryland
★ You are viewing this record
Sibling
Anthony Mccarthy
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Mccarthy
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Mccarthy
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Mccarthy
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mccarthy
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madaline Mccarthy
Sibling · 1940 · age 16
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 — Anne-Arundel-County, Maryland
Open full size
1940 US Federal Census — Anne-Arundel-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01501-00531)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hilda M Conel | 5 | Daughter | — | Maryland |
| 2 | Blanche E Conel | 3 | Daughter | — | Maryland |
| 3 | Margaret R Conel | 1 | Daughter | — | Maryland |
| 4 | Alexander Birk | 51 | Head | Carpenter | Estonia |
| 5 | Marie Birk | 47 | Wife | — | Estonia |
| 6 | Eleanore R Birk | 15 | Daughter | — | Maryland |
| 7 | Theodore R Birk | 13 | Son | — | Maryland |
| 8 | Edmund Birk | 26 | Head | Fireman | Wisconsin |
| 9 | Ruth P Birk | 22 | Wife | — | Maryland |
| 10 | Carolyn C Birk | 3 | Daughter | — | Maryland |
| 11 | John A Nocar | 32 | Head | Mechanic | Maryland |
| 12 | Anna E Nocar | 34 | Wife | Sewing | Maryland |
| 13 | Doris A Nocar | 5 | Daughter | — | Maryland |
| 14 | Loretta O Nocar | 2 | Daughter | — | Maryland |
| 15 | Ernest J Mccarthy | 47 | Head | Boat Builder | Illinois |
| 16 | Emma Mccarthy | 39 | Wife | — | Maryland |
| 17 | Mary Mccarthy THIS PERSON | 18 | Daughter | Packer | Maryland |
| 18 | Madaline Mccarthy | 16 | Daughter | Operator Of Lunch Stand | Maryland |
| 19 | Verna Mccarthy | 13 | Daughter | — | Maryland |
| 20 | Ernest J Jr Mccarthy | 12 | Son | — | Maryland |
| 21 | Delores Mccarthy | 8 | Daughter | — | Maryland |
| 22 | Anthony Mccarthy | 5 | Son | — | Maryland |
| 23 | Edward Mccarthy | 4 | Son | — | Maryland |
| 24 | Neal S Notriclus | 34 | Head | Plumber | Maryland |
| 25 | Anna C Notriclus | 27 | Wife | — | Maryland |
| 26 | Neal Jr Notriclus | 9 | Son | — | Maryland |
| 27 | Norman D Notriclus | 7 | Son | — | Maryland |
| 28 | Ronald S Notriclus | 5 | Son | — | Maryland |
| 29 | James D Notriclus | 2 | Son | — | Maryland |
| 30 | Antonio Zimmerman | 43 | Head | Carpentry | Czechoslovakia |
| 31 | Marie Zimmerman | 43 | Wife | Prop. Retail | Czechoslovakia |
| 32 | Mildred A Zimmerman | 20 | Daughter | Clerk (Counter) | Maryland |
| 33 | Rose C Zimmerman | 18 | Daughter | Cashier | Maryland |
| 34 | Russell C Phelps | 22 | Son-in-law | Crane Operator | Maryland |
| 35 | Marie L Phelps | 23 | Daughter | — | Maryland |
| 36 | Russell J Phelps | 2 | Grandson | — | Maryland |
| 37 | Cathleen L Bader | 53 | Head | — | New Jersey |
| 38 | Edward C Bader | 33 | Son | Boat Builder | Maryland |
| 39 | Lois R Bader | 23 | Daughter | Fashion Artist | Maryland |
| 40 | Charles W Rogall | 62 | Head | Seaman | Germany |
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)