MR
Mary Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Ryan across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents John & Stephen — first a spouse (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Ryan |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1911 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Stephen Ryan | Head | — | 34 | ~1906 |
| William Ryan | Son | — | 11 | ~1929 |
| John Ryan | Son | — | 10 | ~1930 |
| Mary Ryan | Spouse | — | 29 | ~1911 |
Census Appearances
1920
None, Maryland
Daughter, age 9
None, Maryland · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Delaware |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 20
Baltimore, Maryland · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Secretary |
| Industry | Steamship Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 29
Baltimore-City-County, Maryland · implied b. ~1911 — 4 household members
| Surname | Ryan |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| 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 Ryan across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Ryan (~0.92 confidence) and father Stephen Ryan (~0.92 confidence) and mother Catherine Ryan (~0.92 confidence) and mother Clara Ryan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Ryan
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Stephen Ryan
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Catherine Ryan
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Clara Ryan
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Ryan
Spouse · 1940 · age 29 · b. ~1911 · 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
40 people indexed on this census page (nara:1940:m-t0627-01541-00868)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E Kirby | 12 | daughter | — | Maryland |
| 2 | Joseph W Kirby | 11 | son | — | Maryland |
| 3 | Anna M Kirby | 9 | daughter | — | Maryland |
| 4 | Velma S Kirby | 8 | daughter | — | Maryland |
| 5 | Patricia E Kirby | 6 | daughter | — | Maryland |
| 6 | Helen C Kirby | 5 | daughter | — | Maryland |
| 7 | William E Kirby | 2 | son | — | Maryland |
| 8 | Vincent Albione | 48 | head | Finisher | Italy |
| 9 | Anna Albione | 44 | wife | Tailor | Italy |
| 10 | Michael Albione | 28 | son | — | Italy |
| 11 | John Albione | 26 | son | Tile Setter | Maryland |
| 12 | Victoria Albione | 22 | daughter | Sales Clerk | Maryland |
| 13 | Margaret Albione | 18 | daughter | Sales Lady | Italy |
| 14 | Walter Novier | 22 | head | Electrician | Maryland |
| 15 | Virginia Novier | 19 | wife | — | Maryland |
| 16 | Stephen Ryan | 34 | head | Machinist | Maryland |
| 17 | Mary Ryan THIS PERSON | 29 | wife | — | Maryland |
| 18 | William Ryan | 11 | son | — | Maryland |
| 19 | John Ryan | 10 | son | — | Maryland |
| 20 | George Borgmeier | 47 | head | Switchboard Man | Maryland |
| 21 | Helen Borgmeier | 38 | wife | — | Maryland |
| 22 | Allen Sauer | 7 | nephew | — | Pennsylvania |
| 23 | Charles E Fisher | 43 | head | Printer | Vermont |
| 24 | Catherine Fisher | 40 | wife | Printer | Massachusetts |
| 25 | Charles P Fisher | 16 | son | — | Maryland |
| 26 | Joseph Signale | 39 | head | Shoe Maker | Maryland |
| 27 | Marion Signale | 38 | wife | — | Maryland |
| 28 | Robert C Signale | 10 | son | — | Maryland |
| 29 | George Carlyle | 25 | head | Butcher | Maryland |
| 30 | Jean H Carlyle | 24 | wife | — | Ohio |
| 31 | Rebecca J Carlyle | 2 | daughter | — | Maryland |
| 32 | Katherine Coleman | 45 | head | — | Maryland |
| 33 | Louise A Coleman | 23 | daughter | Inspector | Maryland |
| 34 | Ruth V Coleman | 20 | daughter | Comptometer Operator | Maryland |
| 35 | Albert West | 20 | head | Packer | Maryland |
| 36 | Anna West | 23 | wife | Inspector | Maryland |
| 37 | Franklin Snyder | 34 | head | Station Operator | Maryland |
| 38 | Lillian Snyder | 33 | wife | — | Maryland |
| 39 | Merle F Snyder | 9 | daughter | — | Maryland |
| 40 | Mary E Snyder | 1 | 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)