MC
Mary Carey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Carey across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Hugh & Jenny — first a daughter (b.~1919), then head of a 2-person household.
Age 21
b. ~1919
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Carey |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Industry | 0 |
| Highest Grade | C 1-40 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1919 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Carey | Daughter | — | 21 | ~1919 |
| Jenny Carey | Head | — | 51 | ~1889 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 1
Baltimore, Maryland · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 11
Baltimore, Maryland · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carey |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Baltimore-City-County, Maryland
Daughter, age 21
Baltimore-City-County, Maryland · implied b. ~1919 — 2 household members
| Surname | Carey |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Industry | 0 |
| Highest Grade | C 1-40 |
| 1935 Residence | Same place |
| 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 Carey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hugh Carey (~0.92 confidence) and mother Jenny Carey (~0.92 confidence) and mother Mary Carey (~0.92 confidence) and father John Carey (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hugh Carey
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Jenny Carey
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mary Carey
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
John Carey
b. ~1893
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Carey
Daughter · 1940 · age 21 · b. ~1919 · Maryland
★ 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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01519-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fannie R. O'Connor | 55 | Head | — | Maryland |
| 42 | Mary O'Connor | 45 | Sister | — | Maryland |
| 43 | Eugene Reindollar | 54 | Head | — | Maryland |
| 44 | Katherine S. Reindollar | 54 | Wife | — | Maryland |
| 45 | Mason Reindollar | 29 | Son | Attendant | Maryland |
| 46 | Robert Reindollar | 27 | Son | Electrician | Maryland |
| 47 | Katherine Reindollar | 21 | Daughter | Book Keeper | Maryland |
| 48 | Donald Reindollar | 16 | Son | New Worker | Maryland |
| 49 | Ruth Reindollar | 14 | Daughter | — | Maryland |
| 50 | Evelyn Orth | 25 | Daughter | Waitress | New York |
| 51 | George Orth | 25 | Son-in-law | — | New York |
| 53 | Jenny D. Carey | 51 | Head | — | Delaware |
| 54 | Mary C. Carey THIS PERSON | 21 | Daughter | — | Maryland |
| 55 | Edward Jenkins | 49 | Head | Mechanical Dentist | Ohio |
| 56 | Dorothy B. Jenkins | 23 | Wife | — | Ohio |
| 57 | Anne Jenkins | 0 | Daughter | — | Maryland |
| 58 | Donald Oace | 33 | Head | Professor | Pennsylvania |
| 59 | Norma H. Oace | 26 | Wife | — | Maryland |
| 60 | Linwood Byers | 29 | Head | Salesman | Virginia |
| 61 | Theresa G. Byers | 22 | Wife | — | Maryland |
| 62 | Sharon Lynn Byers | 0 | Daughter | — | Maryland |
| 63 | Helen E. O'Neill | 40 | Head | Clerk | Maryland |
| 64 | John R. D. Kamphouse | 74 | Lodger | — | Maryland |
| 65 | Clinton Kelmen | 26 | Head | Mechanical Mechanic | Maryland |
| 66 | Eleanor Kelmen | 21 | Wife | — | North Carolina |
| 67 | Clinton Jr. Kelmen | 4 | Son | — | Maryland |
| 68 | Charles H. Kelmen | 0 | Son | — | Maryland |
| 69 | Elmer C. Jenkins | 55 | Head | Credit Manager | Maryland |
| 70 | Claire Jenkins | 55 | Wife | — | Maryland |
| 71 | Frances Jenkins | 25 | Daughter | Secretary | Maryland |
| 72 | Lillian Hopkinson | 57 | Sister-in-law | — | Maryland |
| 73 | Frank D. Langhorn | 42 | Head | Secretary | Maryland |
| 74 | Sarah R. Langhorn | 43 | Wife | — | Maryland |
| 75 | M. Virginia Langhorn | 13 | Daughter | — | Maryland |
| 76 | Sarah Langhorn | 12 | Daughter | — | Maryland |
| 77 | Michael Langhorn | 9 | Son | — | Maryland |
| 78 | John D. Salisbury | 40 | Head | Owner | Maryland |
| 79 | Marie Salisbury | 35 | Wife | — | Maryland |
| 80 | Anne Salisbury | 15 | Daughter | — | Maryland |
Pedigree Summary
Mary
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)