MS
Mary Shea — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Shea across the 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 8-person household.
Age 12
b. ~1908
Female
Daughter
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Shea |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1908 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Shea | Daughter | — | 12 | ~1908 |
| Cecilia Shea | Daughter | — | 7 | ~1913 |
| Anna Shea | Daughter | — | 8 | ~1912 |
| Helen Shea | Daughter | — | 10 | ~1910 |
| Teresa Shea | Daughter | — | 3 | ~1917 |
| Julia Shea | Daughter | — | 11 | ~1909 |
| Michael Shea | Head | — | 40 | ~1880 |
| Mary Shea | Spouse | — | 38 | ~1882 |
Census Appearances
1910
Baltimore, Maryland
Daughter, age 2
Baltimore, Maryland · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shea |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Daughter, age 12
Baltimore, Maryland · implied b. ~1908 — 8 household members
| Surname | Shea |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| 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 Shea across 2 US Census years (1910 and 1920) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shea
Daughter · 1920 · age 12 · b. ~1908 · Maryland
★ You are viewing this record
Sibling
Julia Shea
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Shea
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecilia Shea
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Shea
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Teresa Shea
Sibling · 1920 · age 3
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
1920 US Federal Census — Baltimore, Maryland
Open full size
1920 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu668unit:0367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry Tubak | 17 | Son | Plainer | Maryland |
| 52 | Lawrence Tubak | 15 | Son | Errand Boy | Maryland |
| 53 | Margaret Tubak | 14 | Daughter | None | Maryland |
| 54 | Adaljana Tubak | 11 | Daughter | None | Maryland |
| 55 | Madaline Tubak | 9 | Daughter | None | Maryland |
| 56 | Edna Kegotie | 2 | Stepdaughter | None | Maryland |
| 57 | Andrew Huff | 33 | Boarder | Laborer | Maryland |
| 58 | Mary Cingroni | 60 | Head | None | Italy |
| 59 | Nellie Cingroni | 37 | Daughter | Seamstress | Italy |
| 60 | Josephine Cingroni | 11 | Niece | None | Maryland |
| 61 | Matthew Cingroni | 10 | Nephew | None | Maryland |
| 62 | Salvatore Cingroni | 7 | Nephew | None | Maryland |
| 63 | Albert A Schmidt | 37 | Head | Merchant | Maryland |
| 64 | Marie Schmidt | 26 | Wife | None | Maryland |
| 65 | Alice L Schmidt | 3 | Daughter | None | Maryland |
| 66 | Marie Schmidt | 1 | Daughter | None | Maryland |
| 67 | Anna Oneil | 57 | Mother-in-law | None | Maryland |
| 68 | Joseph Oneil | 53 | Father-in-law | Conductor | Maryland |
| 69 | Elizabeth Brodwater | 42 | Servant | Servant | Maryland |
| 70 | Olympia Ring | 62 | Head | None | Maryland |
| 71 | Adelaide Ring | 17 | Granddaughter | Operator | Maryland |
| 72 | Eliza Ring | 13 | Granddaughter | None | Maryland |
| 73 | William Johnson | 47 | Head | Laborer | Ireland |
| 74 | Margaret Johnson | 31 | Wife | None | Ireland |
| 75 | Robert J Johnson | 21 | Son | Laborer | Ireland |
| 76 | William E Johnson | 20 | Son | Agent | Maryland |
| 77 | Bernadette Johnson | 18 | Daughter | None | Maryland |
| 78 | Norman B Johnson | 14 | Son | Operator | Maryland |
| 79 | James E Johnson | 12 | Son | Helper | Maryland |
| 80 | J Carroll Johnson | 9 | Son | Feeder | Maryland |
| 81 | Vernon J Johnson | 1 | Son | None | Maryland |
| 82 | Carrie Barnes | 25 | Boarder | None | Maryland |
| 83 | Michael Shea | 40 | Head | Moulder | Ireland |
| 84 | Mary Shea | 38 | Wife | None | Ireland |
| 85 | Mary C Shea THIS PERSON | 12 | Daughter | None | Maryland |
| 86 | Julia A Shea | 11 | Daughter | None | Maryland |
| 87 | Helen Shea | 10 | Daughter | None | Maryland |
| 88 | Teresa Shea | 3 | Daughter | None | Maryland |
| 89 | Anna Shea | 8 | Daughter | None | Maryland |
| 90 | Cecilia Shea | 7 | Daughter | None | Maryland |
| 91 | Joseph B Blanchard | 32 | Head | Laborer | Maryland |
| 92 | Helen L Blanchard | 26 | Wife | None | Maryland |
| 93 | Helen L Blanchard | 5 | Daughter | None | Maryland |
| 94 | Joseph E Blanchard | 2 | Son | None | Maryland |
| 95 | Alice E Blanchard | 1 | Daughter | None | Maryland |
| 96 | Thos F Blanchard | 0 | Son | Laborer | Maryland |
| 97 | Michael Barrett | 43 | Head | Helper | Maryland |
| 98 | Ellen Barrett | 44 | Wife | None | Maryland |
| 99 | Patrick Byrne | 52 | Boarder | Engineer | Maryland |
| 100 | Madaline Brennan | 17 | Boarder | Clerk | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)