MC
Mary Cummings — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Peoria, Illinois
Our Model Tree links this Mary Cummings across the 1920 and 1930 US Censuses in Peoria, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 13-person household.
Age 23
b. ~1907
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Peoria, Illinois |
| Surname | Cummings |
| Given Name | Mary D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| 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 | Peoria City |
| Est. Birth Year | ~1907 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rose Waldschmidt | Daughter | — | 31 | ~1899 |
| Mary Cummings | Daughter | — | 23 | ~1907 |
| Lucile Cummings | Daughter | — | 23 | ~1907 |
| Freda Waldschmidt | Daughter | — | 25 | ~1905 |
| Otis Waldschmidt | Daughter | — | 23 | ~1907 |
| Samuel Cummings | Head | — | 55 | ~1875 |
| Russel Kaufman | Other | — | 46 | ~1884 |
| Louise Waibel | Other | — | 27 | ~1903 |
| Nellie Cummings | Other | — | 56 | ~1874 |
| Pauline Waldschmidt | Other | — | 57 | ~1873 |
| Rudolph Waldschmidt | Son | — | 29 | ~1901 |
| David Cummings | Son | — | 26 | ~1904 |
| Harry Waldschmidt | Spouse | — | 59 | ~1871 |
Census Appearances
1920
Peoria, Illinois
Daughter, age 13
Peoria, Illinois · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | Mary D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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
Peoria, Illinois
Daughter, age 23
Peoria, Illinois · implied b. ~1907 — 13 household members
| Surname | Cummings |
| Given Name | Mary D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| 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 Cummings across 2 US Census years (1920 and 1930) in Peoria, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cummings
Daughter · 1930 · age 23 · b. ~1907 · Illinois
★ You are viewing this record
Sibling
David Cummings
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otis Waldschmidt
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freda Waldschmidt
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Cummings
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rudolph Waldschmidt
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Waldschmidt
Sibling · 1930 · age 31
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 — Peoria, Illinois
Open full size
1930 US Federal Census — Peoria, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel548:0185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rudolph A Born | 40 | Head | Manager | Indiana |
| 2 | Leila M Born | 42 | Wife-H | — | Michigan |
| 3 | John W Born | 8 | Son | — | Illinois |
| 4 | Marcella K Born | 6 | Daughter | — | Illinois |
| 5 | Cone Tina V Born | 78 | Mother-in-law | — | Michigan |
| 6 | Samuel A Mathews | 43 | Head | Field Repr | N. Carolina |
| 7 | Allene C Mathews | 41 | Wife-H | — | N. Carolina |
| 8 | Ruth A Mathews | 22 | Daughter | Teacher | N. Carolina |
| 9 | Mildred K Mathews | 19 | Daughter | — | N. Carolina |
| 10 | Robert M Mathews | 11 | Son | — | N. Carolina |
| 11 | Paul H Gittons | 28 | Lodger | Druggist | Indiana |
| 12 | Robert M Bruce | 41 | Head | Buyer | Illinois |
| 13 | Ida S Bruce | 36 | Wife-H | — | Illinois |
| 14 | Mary H Bruce | 6 | Daughter | — | Illinois |
| 15 | Mary A Cain | 65 | Head | — | Illinois |
| 16 | Marie C Cain | 32 | Daughter | — | Illinois |
| 17 | Leo W Cain | 35 | Son | Manager | Illinois |
| 18 | Joseph L Fushman | 48 | Head | Chemist | Rumania |
| 19 | Veronica Fushman | 49 | Wife-H | — | Hungary |
| 20 | Veronica B Fushman | 21 | Daughter | Stenographer | Illinois |
| 21 | Emma E Fushman | 19 | Daughter | Stenographer | Illinois |
| 22 | Bertha Winter | 21 | Lodger | Stenographer | Illinois |
| 23 | Louis Becker | 27 | Lodger | Bookkeeper | Missouri |
| 24 | Robert E Mccullough | 39 | Head | Manager | Illinois |
| 25 | Ethel S Mccullough | 35 | Wife-H | Bookkeeper | Illinois |
| 26 | Emma Simmons | 72 | Mother-in-law | — | England |
| 27 | Renna D Land | 49 | Head | Salesman | Indiana |
| 28 | Lillie M Land | 36 | Wife-H | — | Illinois |
| 29 | Ethel F Land | 12 | Daughter | — | Indiana |
| 30 | Edith P Land | 10 | Daughter | — | Indiana |
| 31 | Clover F Barton | 28 | Brother-in-law | Mechanic | Illinois |
| 32 | Samuel H Cummings | 55 | Head | Salesman | Illinois |
| 33 | Nellie H Cummings | 56 | Wife-H | — | Illinois |
| 34 | David H Cummings | 26 | Son | Salesman | Illinois |
| 35 | Lucile H Cummings | 23 | Daughter | — | Illinois |
| 36 | Mary D Cummings THIS PERSON | 23 | Daughter | — | Illinois |
| 37 | Louise G Waibel | 27 | Maid | Household | Illinois |
| 38 | Harry Waldschmidt | 59 | Husband | — | Illinois |
| 39 | Pauline Waldschmidt | 57 | Wife-Head | — | Illinois |
| 40 | Rose P Waldschmidt | 31 | Daughter | — | Illinois |
| 41 | Rudolph H Waldschmidt | 29 | Son | Salesman | Illinois |
| 42 | Freda T Waldschmidt | 25 | Daughter | — | Illinois |
| 43 | Otis C Waldschmidt | 23 | Daughter | Bookkeeper | Illinois |
| 44 | Russel E Kaufman | 46 | Boarder | — | Illinois |
| 45 | Bella Sullivan | 55 | Head | Seamstress | Kentucky |
| 46 | Robert F Sullivan | 19 | Son | Clerk | Illinois |
| 47 | W. D. Kern Sullivan | 21 | Son | Clerk | Illinois |
| 48 | Lulu Gillam | 52 | Sister | Seamstress | Kentucky |
| 49 | James M Thoman | 34 | Head | Clerk | Illinois |
| 50 | Ruth L Thoman | 28 | Wife-H | — | 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)