MR
Mary Ryan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Ryan across the 1900, 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1856), then head of a 2-person household.
Age 74
b. ~1856
Female
Head
Born: Maryland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Ryan |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Radio Set | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | 8Th District P1 |
| Est. Birth Year | ~1856 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Ryan | Head | — | 74 | ~1856 |
| Thomas Ryan | Son | — | 40 | ~1890 |
Census Appearances
1900
Baltimore, Maryland
Spouse, age 44
Baltimore, Maryland · implied b. ~1856 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Jan |
| Birth Year | 1856 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Baltimore, Maryland
Head, age 54
Baltimore, Maryland · implied b. ~1856 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Children Born | 7 |
| Children Living | 2 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Other, age 66
Baltimore, Maryland · implied b. ~1854 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Mary E. |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 74
Baltimore, Maryland · implied b. ~1856 — 2 household members
| Surname | Ryan |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Radio Set | No |
| 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 4 US Census years (1900, 1910, 1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage.
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This person
Anchor record
Mary Ryan
Head · 1930 · age 74 · b. ~1856 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus846unit:0376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Kathryn Kilmurry | 66 | Head | None | Ireland |
| 52 | John Kilmurry | 30 | Son | None | Maryland |
| 53 | Hugh Kilmurry | 25 | Son | None | Maryland |
| 54 | John T. Brady | 62 | Boarder | None | Maryland |
| 55 | Mary E. Ryan THIS PERSON | 74 | Head | None | Maryland |
| 56 | Thomas H. Ryan | 40 | Son | Laborer | Maryland |
| 57 | Harrison Denmyer | 43 | Head | Laborer | Maryland |
| 58 | Emma Denmyer | 36 | Wife | None | Maryland |
| 59 | Louise Denmyer | 14 | Daughter | None | Maryland |
| 60 | Maybelle Denmyer | 13 | Daughter | None | Maryland |
| 61 | Harrison Denmyer | 11 | Son | None | Maryland |
| 62 | Gradon Denmyer | 9 | Son | None | Maryland |
| 63 | James Denmyer | 7 | Son | None | Maryland |
| 64 | Otis R. Denmyer | 4 | Son | None | Maryland |
| 65 | Carl Benton Denmyer | 1 | Son | None | Maryland |
| 66 | Charles Jingling | 52 | Head | Foreman | Maryland |
| 67 | Mary Jingling | 46 | Wife | None | Maryland |
| 68 | Harvey Jingling | 21 | Son | Laborer | Maryland |
| 69 | Lee Jingling | 16 | Son | None | Maryland |
| 70 | Bertman Jingling | 12 | Son | None | Maryland |
| 71 | Alvin Jingling | 4 | Grandson | None | Maryland |
| 72 | Carlos Berry | 37 | Head | Laborer | Maryland |
| 73 | Alice Berry | 37 | Wife | Sander | Maryland |
| 74 | Elizabeth Berry | 20 | Daughter | Factory | Maryland |
| 75 | Edna Berry | 11 | Daughter | None | Maryland |
| 76 | Earl Berry | 5 | Son | None | Maryland |
| 77 | Edward Berry | 3 | Son | None | Maryland |
| 78 | Helen Holland | 17 | Daughter | None | Maryland |
| 79 | Frank Holland | 21 | Son-in-law | Truck Driver | Maryland |
| 80 | James Mcdermott | 56 | Head | Engineer | Maryland |
| 81 | Mary Mcdermott | 51 | Wife | None | England |
| 82 | John Mcdermott | 18 | Son | Laborer | Maryland |
| 83 | Regina Mcdermott | 10 | Daughter | None | Maryland |
| 84 | Raymond Mcdermott | 8 | Son | None | Maryland |
| 85 | Catherine Mcdermott | 6 | Daughter | None | Maryland |
| 86 | Herman Herwatt | 45 | Head | Laborer | Germany |
| 87 | Erich Herwatt | 10 | Son | None | Maryland |
| 88 | Charles Herwatt | 6 | Son | None | Maryland |
| 89 | Julia Farmer | 61 | Housekeeper | None | Maryland |
| 90 | Nora Peterson | 45 | Head | None | Maryland |
| 91 | Dorsey Peterson | 18 | Son | Book Keeper | Maryland |
| 92 | Bradford Peterson | 15 | Son | None | Maryland |
| 93 | Mary Peterson | 13 | Daughter | None | Maryland |
| 94 | Mary Peterson | 11 | Daughter | None | Maryland |
| 95 | Bessie Peterson | 8 | Daughter | None | Maryland |
| 96 | William Clark | 40 | Boarder | Assorter | Virginia |
| 97 | James Clark | 13 | Boarder | None | Virginia |
| 98 | Willard Fitzgerald | 32 | Boarder | Laborer | Virginia |
| 99 | Bennett Delkey | 28 | Head | Lawyer | Maryland |
| 100 | Anna Marie Delkey | 27 | Wife | None | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)