MC
Mary Coyle — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Mary Coyle across the 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Coyle |
| Given Name | Mary S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Sparrows Pt. |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Saleslady |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 30 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Saleslady |
| Township / Ward | Sparrows Pt |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Pitcher | Daughter | — | 32 | ~1908 |
| Silvie Smith | Spouse | — | 69 | ~1871 |
| Percy Smith | Head | — | 70 | ~1870 |
| Mary Pitcher | Daughter | — | 11 | ~1929 |
| George Pitcher | Son | — | 39 | ~1901 |
| Mary Coyle | Daughter | — | 21 | ~1919 |
| Sterling Smith | Son | — | 35 | ~1905 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 11
Baltimore, Maryland · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coyle |
| Given Name | Mary S. J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Daughter, age 21
Baltimore-County, Maryland · implied b. ~1919 — 7 household members
| Surname | Coyle |
| Given Name | Mary S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Sparrows Pt. |
| 1935 Residence (County) | Baltimore |
| Occupation | Saleslady |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 30 |
| Highest Grade | Hs 4 |
| 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 Coyle across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Coyle
Daughter · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Mary Pitcher
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sterling Smith
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Pitcher
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Pitcher
Sibling · 1940 · age 32
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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01507-00624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fay Strom | 6 | Daughter | — | Maryland |
| 2 | Robert Strom | 1 | Son | — | Maryland |
| 3 | Alfred Woodhead | 48 | Head | Boiler Inspector | Pennsylvania |
| 4 | Lilly Woodhead | 47 | Wife | — | Maryland |
| 5 | Alfred Woodhead | 16 | Son | — | Maryland |
| 6 | Robert Weston | 26 | Son-in-law | Helper Open Hearth | Pennsylvania |
| 7 | Dorothy Weston | 21 | Daughter | — | Maryland |
| 8 | Clarence Peters | 48 | Son-in-law | Brick-Layer | Maryland |
| 9 | Walter Stimson | 44 | Head | Coremaker | Pennsylvania |
| 10 | Beatrice Stimson | 38 | Wife | — | England |
| 11 | May Stimson | 33 | Daughter | Teacher | Maryland |
| 12 | Daniel Stimson | 28 | Son | Shearman | Maryland |
| 13 | Frederick Storty | 48 | Head | Accounting Clerk | Maryland |
| 14 | Lillie Storty | 48 | Wife | — | Maryland |
| 15 | Jean Storty | 16 | Daughter | — | Maryland |
| 16 | Robert Storty | 15 | Son | — | Maryland |
| 17 | William Anderson | 45 | Head | Recorder | Maryland |
| 18 | Margaret Anderson | 42 | Wife | — | Maryland |
| 19 | Carl Anderson | 21 | Son | Reamer | Maryland |
| 20 | Warren Anderson | 19 | Son | New Worker | Maryland |
| 21 | Dorothy Anderson | 17 | Daughter | — | Maryland |
| 22 | Willard Anderson | 15 | Son | — | Maryland |
| 23 | Ann Anderson | 9 | Daughter | — | Maryland |
| 24 | Robert Anderson | 7 | Son | — | Maryland |
| 25 | Jay Anderson | 6 | Son | — | Maryland |
| 26 | Richard Anderson | 4 | Son | — | Maryland |
| 27 | James Anderson | 3 | Son | — | Maryland |
| 28 | Percy Smith | 70 | Head | Carpenter | D. C. |
| 29 | Silvie Smith | 69 | Wife | — | Virginia |
| 30 | Sterling Smith | 35 | Son | Iron Worker | Maryland |
| 31 | George W. Pitcher | 39 | Son | Cold Press Operator | Florida |
| 32 | Ruth S. Pitcher | 32 | Daughter | — | Maryland |
| 33 | Mary Sylvia Pitcher | 11 | Daughter | — | Maryland |
| 34 | Mary S. Coyle THIS PERSON | 21 | Daughter | Saleslady | Maryland |
| 35 | John Peters | 41 | Head | Roller | Pennsylvania |
| 36 | Margaret Peters | 42 | Wife | — | Pennsylvania |
| 37 | John E. Peters | 19 | Son | Assistant Metallurgist | Pennsylvania |
| 38 | Dorothy J. Peters | 18 | Daughter | Beautician | Pennsylvania |
| 39 | Richard Peters | 16 | Son | — | Maryland |
| 40 | William Peters | 15 | Son | — | Maryland |
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)