MD
Mary Dolan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Mary Dolan across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 2
b. ~1928
Female
Daughter
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Dolan |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1928 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Cora Dolan | Spouse | — | 47 | ~1883 |
| Dolores Dolan | Daughter | — | 8 | ~1922 |
| Marcella Dolan | Daughter | — | 14 | ~1916 |
| Rosemary Dolan | Daughter | — | 5 | ~1925 |
| Thomas Dolan | Head | — | 49 | ~1881 |
| Florence Dolan | Daughter | — | 16 | ~1914 |
| Thomas Dolan | Son | — | 12 | ~1918 |
| Mary Dolan | Daughter | — | 2 | ~1928 |
Census Appearances
1930
St Louis, …
Daughter, age 2
St Louis, Missouri · implied b. ~1928 — 8 household members
| Surname | Dolan |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Daughter, age 13
St.-Louis-City-County, Missouri · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis (city) |
| 1935 Residence (County) | St. Louis City |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| 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 Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dolan
Daughter · 1930 · age 2 · b. ~1928 · Missouri
★ You are viewing this record
Sibling
Dolores Dolan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Dolan
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Dolan
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dolan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Dolan
Sibling · 1930 · age 16
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
1930 US Federal Census — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1227:0418)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beck Marylee | 36 | Head | — | Illinois |
| 2 | Rogers Minos P | 43 | Brother-in-law | Presser | Illinois |
| 3 | Michl Kopiel | 48 | Head | Stationary Engineer | Poland |
| 4 | Bernice Kopiel | 42 | Wife | — | Poland |
| 5 | Sigmund Jr Kopiel | 19 | Son | — | Missouri |
| 6 | Max L Kopiel | 18 | Son | — | Missouri |
| 7 | Anna B Kopiel | 15 | Daughter | — | Missouri |
| 8 | Jennie Harrison | 60 | Head | — | England |
| 9 | Raymond J Harrison | 30 | Son | Manager | Missouri |
| 10 | John W Harrison | 26 | Son | Manager | Missouri |
| 11 | Grace Harrison | 24 | Daughter | Bookkeeper | Missouri |
| 12 | Marguerite Harrison | 22 | Daughter | Attendant | Missouri |
| 13 | Elmer W Kleinschmidt | 38 | Head | Assistant Secretary | Missouri |
| 14 | Alice R Kleinschmidt | 38 | Wife | — | Missouri |
| 15 | Richard Kleinschmidt | 8 | Son | — | Missouri |
| 16 | Harold Kleinschmidt | 6 | Son | — | Missouri |
| 17 | Doris Kleinschmidt | 2 | Daughter | — | Missouri |
| 18 | Frank J Blesch | 57 | Head | Salesmanager | Missouri |
| 19 | Elizabeth Blesch | 57 | Wife | — | Missouri |
| 20 | Elmer L Blesch | 27 | Son | Bookkeeper | Missouri |
| 21 | Elizabeth Blesch | 23 | Daughter | Stenographer | Missouri |
| 22 | Lucille Blesch | 21 | Daughter | Stenographer | Missouri |
| 23 | Fred H Fleer | 40 | Head | Superintendent | Missouri |
| 24 | Martha M Fleer | 43 | Wife | — | Illinois |
| 25 | Ruth Fleer | 12 | Daughter | — | Missouri |
| 26 | Frederick Fleer | 70 | Father | Retired | Missouri |
| 27 | Harry W Imbei | 39 | Head | Accountant | Missouri |
| 28 | Maybell Imbei | 35 | Wife | — | Missouri |
| 29 | Frederick James L Imbei | 76 | Father-in-law | Fireman | Missouri |
| 30 | Lawrence C Lynn | 55 | Head | Inspector | Missouri |
| 31 | Sarah M Lynn | 62 | Wife | — | Missouri |
| 32 | Neal Julia Lynn | 21 | Boarder | Proofreader | Missouri |
| 33 | William F Mulvihill | 44 | Head | Clerk | Illinois |
| 34 | Ruby S Mulvihill | 47 | Wife | — | Illinois |
| 35 | William L Mulvihill | 21 | Son | Bookkeeper | Missouri |
| 36 | Gus Schmitter | 42 | Head | Construction Foreman | Missouri |
| 37 | Alice Schmitter | 31 | Wife | — | Missouri |
| 38 | James Schmitter | 16 | Son | — | Missouri |
| 39 | Edward G Pappenberger | 33 | Head | Cashier | Missouri |
| 40 | Vera Pappenberger | 32 | Wife | — | Missouri |
| 41 | Norma Pappenberger | 5 | Daughter | — | Missouri |
| 42 | Edward Jr Pappenberger | 3 | Son | — | Missouri |
| 43 | Thomas J Dolan | 49 | Head | Assistant Superintendent | Missouri |
| 44 | Cora B Dolan | 47 | Wife | — | Missouri |
| 45 | Florence Dolan | 16 | Daughter | Comptometer Operator | Illinois |
| 46 | Marcella Dolan | 14 | Daughter | — | Illinois |
| 47 | Thomas Jr Dolan | 12 | Son | — | Illinois |
| 48 | Dolores C Dolan | 8 | Daughter | — | Missouri |
| 49 | Rosemary Dolan | 5 | Daughter | — | Missouri |
| 50 | Mary C Dolan THIS PERSON | 2 | Daughter | — | Missouri |
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)