MM
Mary Morrow — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Morrow across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Morrow |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk |
| Township / Ward | Chicago |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elmer Morrow | Son | — | 21 | ~1909 |
| Margaret Morrow | Daughter | — | 15 | ~1915 |
| Martin Morrow | Son | — | 12 | ~1918 |
| Roberta Morrow | Daughter | — | 13 | ~1917 |
| Grace Morrow | Spouse | — | 45 | ~1885 |
| Mary Morrow | Daughter | — | 20 | ~1910 |
| Elmer Morrow | Head | — | 46 | ~1884 |
Census Appearances
1920
Cook, Illinois
Daughter, age 10
Cook, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrow |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 20
Cook, Illinois · implied b. ~1910 — 7 household members
| Surname | Morrow |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | W |
| 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 Morrow across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Morrow
Daughter · 1930 · age 20 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Elmer Morrow
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roberta Morrow
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Morrow
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Morrow
Sibling · 1930 · age 12
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:illinoiscensus00reel449:0743)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Matilda Schrampel | 54 | Head | None | Switzerland |
| 2 | Alice M. Schrampel | 22 | Daughter | Secretary | Illinois |
| 3 | Howard V. Schrampel | 19 | Son | Office Work | Illinois |
| 4 | Frank D. Schrampel | 17 | Son | None | Illinois |
| 5 | Marie F. Callahan | 59 | Head | None | Pennsylvania |
| 6 | Margaret A. Callahan | 25 | Daughter | Office Work | Illinois |
| 7 | William B. Jarvis | 64 | Head | None | Wisconsin |
| 8 | Elina J. Jarvis | 63 | Wife | None | West Virginia |
| 9 | William B. Jr. Jarvis | 37 | Son | Merchant | Illinois |
| 10 | Elizabeth C. Jarvis | 28 | Daughter | None | Illinois |
| 11 | Amanda Anderson | 44 | Servant | Servant | Sweden |
| 12 | Alexander Erling | 50 | Brother-in-law | None | Wisconsin |
| 13 | Edward Hilliard | 36 | Head | Rancher | Illinois |
| 14 | Marie H. Hilliard | 33 | Wife | None | Illinois |
| 15 | Edward J. Hilliard | 6 | Son | None | Illinois |
| 16 | James J. Nomoyle | 39 | Brother-in-law | Bookkeeper | Illinois |
| 17 | Catherine Nomoyle | 29 | Sister-in-law | Nurse | Illinois |
| 18 | James E. Hill | 40 | Head | Mechanic | Illinois |
| 19 | Bernice A. Hill | 37 | Wife | None | Michigan |
| 20 | Helen E. Hill | 7 | Daughter | None | Illinois |
| 21 | Marian Hill | 1 | Daughter | None | Illinois |
| 22 | Elmer A. Morrow | 46 | Head | Instructor | Illinois |
| 23 | Grace N. Morrow | 45 | Wife | None | Illinois |
| 24 | Elmer A. Jr. Morrow | 21 | Son | Market Helper | Illinois |
| 25 | Mary L. Morrow THIS PERSON | 20 | Daughter | Clerk | Illinois |
| 26 | Margaret E. Morrow | 15 | Daughter | None | Illinois |
| 27 | Roberta H. Morrow | 13 | Daughter | None | Illinois |
| 28 | Martin B. Morrow | 12 | Son | None | Illinois |
| 29 | James R. Allman | 30 | Head | Mechanic | Illinois |
| 30 | Lulu I. Allman | 30 | Wife | None | Illinois |
| 31 | Norma L. Allman | 7 | Daughter | None | Illinois |
| 32 | Margery L. Allman | 1 | Daughter | None | Illinois |
| 33 | Elmer E. Lochner | 31 | Head | Own Shop | Illinois |
| 34 | Eleanor J. Lochner | 23 | Wife | Bookkeeper | North Dakota |
| 35 | Elmer E. Jr. Lochner | 4 | Son | None | Illinois |
| 36 | Donald J. Lochner | 2 | Son | None | Illinois |
| 37 | Charles L. Garsden | 47 | Head | Salesman | Illinois |
| 38 | Louise R. Garsden | 42 | Wife | Nurse | Illinois |
| 39 | Katherine L. Garsden | 16 | Daughter | None | Illinois |
| 40 | Robert A. Garsden | 14 | Son | None | Illinois |
| 41 | Ashleigh S. Garsden | 12 | Son | None | Illinois |
| 42 | Raymond P. Garsden | 10 | Son | None | Illinois |
| 43 | George J. Zeller | 35 | Head | Own Business | Illinois |
| 44 | Theresa A. Zeller | 27 | Wife | None | Illinois |
| 45 | Rita M. Zeller | 5 | Daughter | None | Illinois |
| 46 | Terese L. Zeller | 3 | Daughter | None | Illinois |
| 47 | Georgianna Zeller | 1 | Daughter | None | Illinois |
| 48 | Helen Shaffer | 16 | Maid | Maid | Illinois |
| 49 | Edwin A. Muehler | 35 | Head | Landscaping | Illinois |
| 50 | Winifred Muehler | 25 | Wife | None | Ireland |
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)