ME
Mary Egan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Egan across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 12-person household.
Age 15
b. ~1915
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Egan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1915 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Egan | Other | — | 44 | ~1886 |
| Margaret Egan | Daughter | — | 11 | ~1919 |
| Robert Egan | Head | — | 46 | ~1884 |
| Peter Egan | Son | — | 2 | ~1928 |
| Marietta Egan | Daughter | — | 4 | ~1926 |
| John Egan | Son | — | 18 | ~1912 |
| Robert Egan | Son | — | 9 | ~1921 |
| Harry Egan | Son | — | 25 | ~1905 |
| Sheridan Egan | Son | — | 20 | ~1910 |
| Mary Egan | Daughter | — | 15 | ~1915 |
| Alice Egan | Daughter | — | 13 | ~1917 |
| Wm Egan | Son | — | 6 | ~1924 |
Census Appearances
1920
Cook, Illinois
Daughter, age 5
Cook, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Egan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 15
Cook, Illinois · implied b. ~1915 — 12 household members
| Surname | Egan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Egan across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Egan
Daughter · 1930 · age 15 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
John Egan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Egan
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sheridan Egan
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Egan
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Egan
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Egan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marietta Egan
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Egan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wm Egan
Sibling · 1930 · age 6
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel496:0182)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore First | 65 | Head | Gardener | Germany |
| 2 | Mary First | 73 | Wife-H | — | Germany |
| 3 | Margaret First | 40 | Daughter | — | Germany |
| 4 | Rebecca Cross | 55 | Head-H | Sorter | Tennessee |
| 5 | Frances Cross | 22 | Daughter | Stenographer | Kentucky |
| 6 | James H. Nelson | 24 | Head | Upholsterer | Ohio |
| 7 | Ray Granger | 32 | Head | Mechanic | Illinois |
| 8 | Lillian Granger | 28 | Wife-H | — | Illinois |
| 9 | Alex Christie | 20 | Head | Clerk | Romania |
| 10 | Mary Christie | 41 | Wife-H | — | Romania |
| 11 | Martin Boucher | 40 | Head | Secretary | Illinois |
| 12 | Helen Boucher | 34 | Wife-H | — | Illinois |
| 13 | Patricia Boucher | 5 | Daughter | — | Illinois |
| 14 | Arlene Boucher | 3 | Daughter | — | Illinois |
| 15 | Leo Bossa | 36 | Head | Cutter | Illinois |
| 16 | Rose Bossa | 35 | Wife-H | — | Illinois |
| 17 | Robert Egan | 46 | Head | Proprietor | Illinois |
| 18 | Mary Egan | 44 | Wife-H | — | Illinois |
| 19 | Harry Egan | 25 | Son | Salesman | Illinois |
| 20 | Sheridan Egan | 20 | Son | Salesman | Illinois |
| 21 | John Egan | 18 | Son | Salesman | Illinois |
| 22 | Mary Egan THIS PERSON | 15 | Daughter | — | Illinois |
| 23 | Alice Egan | 13 | Daughter | — | Illinois |
| 24 | Margaret Egan | 11 | Daughter | — | Illinois |
| 25 | Robert Egan | 9 | Son | — | Illinois |
| 26 | Wm. Egan | 6 | Son | — | Illinois |
| 27 | Marietta Egan | 4 | Daughter | — | Illinois |
| 28 | Peter Egan | 2 | Son | — | Illinois |
| 29 | Nick Miser | 43 | Head | Laborer | Austria |
| 30 | Justine Miser | 44 | Wife-H | — | Austria |
| 31 | William Miser | 16 | Son | — | Illinois |
| 32 | Nick Miser | 15 | Son | — | Illinois |
| 33 | Margaret Miser | 9 | Daughter | — | Illinois |
| 34 | Julia Miser | 4 | Son | — | Illinois |
| 35 | — | None | — | — | — |
| 36 | Ernest Dahlberg | 39 | Head | Painter | Sweden |
| 37 | Caroline Dahlberg | 39 | Wife-H | — | Norway |
| 38 | Edith Dahlberg | 15 | Daughter | — | Illinois |
| 39 | Ernest Jr. Dahlberg | 13 | Son | — | Illinois |
| 40 | Evelyn Dahlberg | 9 | Daughter | — | Illinois |
| 41 | Lucy C. Minandy | 37 | Head-H | — | Illinois |
| 42 | Mary L. Minandy | 7 | Daughter | — | Illinois |
| 43 | Otto Ramos | 35 | Head | Carpenter | Illinois |
| 44 | Margaret Ramos | 28 | Wife-H | — | Illinois |
| 45 | Robert Ramos | 8 | Son | — | Illinois |
| 46 | William Ramos | 4 | Son | — | Illinois |
| 47 | Peter Minandy | 37 | Head | Builder | Illinois |
| 48 | Rose Minandy | 37 | Wife-H | — | Illinois |
| 49 | Gloria Minandy | 10 | Daughter | — | Illinois |
| 50 | Laverne Minandy | 7 | Daughter | — | Illinois |
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)