MD
Mary Donahue — 1920 US Census Record
Linked across censuses1920 United States Federal Census · St Louis, Missouri
Our Model Tree links this Mary Donahue across the 1910 and 1920 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 9-person household.
Age 15
b. ~1905
Female
Daughter
Born: Missouri
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | St Louis, Missouri |
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Cake packer |
| Industry | Biscuits Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Cake Packer |
| Township / Ward | St Louis |
| Est. Birth Year | ~1905 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Donahue | Daughter | — | 6 | ~1914 |
| Genevieve Donahue | Daughter | — | 7 | ~1913 |
| Helen Donahue | Daughter | — | 13 | ~1907 |
| Gertrude Donahue | Daughter | — | 12 | ~1908 |
| Mary Donahue | Daughter | — | 15 | ~1905 |
| Cornelius Donahue | Head | — | 37 | ~1883 |
| Edward Donahue | Son | — | 8 | ~1912 |
| George Donahue | Son | — | 16 | ~1904 |
| Joseph Donahue | Son | — | 4 | ~1916 |
Census Appearances
1910
St Louis, …
Daughter, age 4
St Louis, Missouri · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | missouri |
| Father's Birthplace | missouri |
| Mother's Birthplace | missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1920
St Louis, …
Daughter, age 15
St Louis, Missouri · implied b. ~1905 — 9 household members
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Cake packer |
| Industry | Biscuits Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Donahue across 2 US Census years (1910 and 1920) in St Louis, Missouri, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Donahue
Daughter · 1920 · age 15 · b. ~1905 · Missouri
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Sibling
Genevieve Donahue
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Donahue
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Donahue
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Donahue
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Donahue
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Donahue
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Donahue
Sibling · 1920 · age 13
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 — St Louis, Missouri
Open full size
1920 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu956unit:0820)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Gerlach | 54 | Head | — | Missouri |
| 2 | Mildred Gerlach | 25 | Daughter | Saleswoman | Missouri |
| 3 | Arthur John Gerlach | 21 | Son | Bookkeeper | Missouri |
| 4 | Bernice Gerlach | 19 | Daughter | Milliner Apprentice | Missouri |
| 5 | Lewis Gerlach | 12 | Son | — | Missouri |
| 6 | Thomas Lynch | 48 | Head | Store Keeper | Ireland |
| 7 | Julia Lynch | 43 | Wife | — | Ireland |
| 8 | Agnes Lynch | 21 | Daughter | Stenographer | Missouri |
| 9 | Joseph Lynch | 22 | Son | Helper Machines | Missouri |
| 10 | Edward Lynch | 19 | Son | Office Clerk | Missouri |
| 11 | Dora Collins | 58 | Housekeeper | Housework | Germany |
| 12 | Isadore Lennon | 42 | Head | Salesman | Russia |
| 13 | Minnie Lennon | 37 | Wife | — | Russia |
| 14 | Frieda Lennon | 15 | Daughter | — | Missouri |
| 15 | Ruth Lennon | 13 | Daughter | — | Missouri |
| 16 | Sarah Lennon | 11 | Daughter | — | Missouri |
| 17 | Louis Lennon | 3 | Son | — | Missouri |
| 18 | Samuel Lennon | 1 | Son | — | Missouri |
| 19 | Abraham Lennon | 30 | Brother-in-law | Retired | Russia |
| 20 | William F Kelleher | 62 | Head | Cabinetmaker | Ireland |
| 21 | Mary Kelleher | 57 | Wife | — | Missouri |
| 22 | Gertrude Kelleher | 18 | Daughter | Housework | Missouri |
| 23 | William Knight | 71 | Head | — | Germany |
| 24 | William Knight | 47 | Son | Clerk Retail | Missouri |
| 25 | Maud Knight | 44 | Wife | — | Kentucky |
| 26 | Carl Knight | 46 | Head | Business Manager | Ireland |
| 27 | Cora Knight | 46 | Wife | — | Missouri |
| 28 | Peter Lynch | 42 | Head | Moulder | Ireland |
| 29 | Louise Lynch | 31 | Wife | — | Poland |
| 30 | Helen Lynch | 2 | Daughter | — | Missouri |
| 31 | Josephine Lynch | 1 | Granddaughter | — | Missouri |
| 32 | John Lynch | 0 | Grandson | — | Missouri |
| 33 | Annie Jones | 19 | Daughter | — | Pennsylvania |
| 34 | Elizabeth Jones | 16 | Daughter | — | Missouri |
| 35 | Mary Jones | 14 | Daughter | — | Missouri |
| 36 | John Lynch | 38 | Head | Conductor | Missouri |
| 37 | Alice Lynch | 25 | Wife | — | Missouri |
| 38 | Marie Lynch | 18 | Sister-in-law | — | Missouri |
| 39 | Patrick Lynch | 59 | Head | — | Ireland |
| 40 | Annie Lynch | 39 | Daughter | Housework | Ireland |
| 41 | Marcella Lynch | 31 | Daughter | Seeder | Ireland |
| 42 | Cornelius Donahue | 37 | Head | — | Missouri |
| 43 | George Donahue | 16 | Son | File Clerk | Missouri |
| 44 | Mary Donahue THIS PERSON | 15 | Daughter | Cake Packer | Missouri |
| 45 | Helen Donahue | 13 | Daughter | — | Missouri |
| 46 | Gertrude Donahue | 12 | Daughter | — | Missouri |
| 47 | Edward Donahue | 8 | Son | — | Missouri |
| 48 | Genevieve Donahue | 7 | Daughter | — | Missouri |
| 49 | Agnes Donahue | 6 | Daughter | — | Missouri |
| 50 | Joseph Donahue | 4 | Son | — | Missouri |
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)