MS
Mary Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Mary Sullivan across the 1910, 1920 and 1930 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed), with identified parents William & John — first a daughter (b.~1906), then head of a 9-person household.
Age 24
b. ~1906
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Sullivan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Jewelry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Stenographer |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1906 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florence Sullivan | Daughter | — | 15 | ~1915 |
| Mary Sullivan | Daughter | — | 24 | ~1906 |
| Catherine Sullivan | Daughter | — | 13 | ~1917 |
| Margaret Sullivan | Daughter | — | 19 | ~1911 |
| John Sullivan | Head | — | 54 | ~1876 |
| Joseph Sullivan | Son | — | 11 | ~1919 |
| Edward Sullivan | Son | — | 17 | ~1913 |
| Gabriel Sullivan | Son | — | 29 | ~1901 |
| Margaret Sullivan | Spouse | — | 55 | ~1875 |
Census Appearances
1910
Wayne, Michigan
Daughter, age 4
Wayne, Michigan · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Mary E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Wayne, Michigan
Daughter, age 14
Wayne, Michigan · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Daughter, age 24
Wayne, Michigan · implied b. ~1906 — 9 household members
| Surname | Sullivan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Stenographer |
| Industry | Jewelry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Sullivan across 3 US Census years (1910, 1920 and 1930) in Wayne, Michigan, using XGBoost record linkage. Identified parents: father William Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and father William Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1876
Source father
● Household
· direct · ~0.92
Father
William Sullivan
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Sullivan
Daughter · 1930 · age 24 · b. ~1906 · Michigan
★ You are viewing this record
Sibling
Florence Sullivan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sullivan
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Sullivan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Sullivan
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gabriel Sullivan
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
Sibling · 1930 · age 19
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 — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
36 people indexed on this census page (ia:1930:michigancensus00reel1043:0525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 7 | John Sullivan | 54 | Head | Watchman | Michigan |
| 8 | Margaret Sullivan | 55 | Wife | — | Michigan |
| 9 | Gabriel Sullivan | 29 | Son | Inspector | Michigan |
| 10 | Mary Sullivan THIS PERSON | 24 | Daughter | Stenographer | Michigan |
| 11 | Margaret Sullivan | 19 | Daughter | — | Michigan |
| 12 | Edward Sullivan | 17 | Son | — | Michigan |
| 13 | Florence Sullivan | 15 | Daughter | — | Michigan |
| 14 | Catherine Sullivan | 13 | Daughter | — | Michigan |
| 15 | Joseph Sullivan | 11 | Son | — | Michigan |
| 16 | Nelson Fletcher | 48 | Head | Station Manager | Canada |
| 17 | Mary Fletcher | 45 | Wife | — | Canada |
| 18 | Howard Fletcher | 22 | Son | Foreman | Canada |
| 19 | Clara Fletcher | 21 | Daughter-in-law | — | Canada |
| 20 | Catherine Fletcher | 14 | Daughter | — | Canada |
| 21 | Burton W. Robinson | 34 | Boarder | Mechanic | New York |
| 22 | William Laird | 44 | Head | Stamper | Scotland |
| 23 | Agnes Laird | 43 | Wife | — | Scotland |
| 24 | Nettie Laird | 21 | Daughter | Inspector | Scotland |
| 25 | Mary Laird | 20 | Daughter | Machine Op | Scotland |
| 26 | William Laird | 19 | Son | Machine Op | Scotland |
| 27 | Nancy Laird | 17 | Daughter | — | Colorado |
| 28 | Helen Laird | 14 | Daughter | — | Colorado |
| 29 | Isabelle Laird | 12 | Daughter | — | Indiana |
| 30 | Jean Laird | 9 | Daughter | — | Indiana |
| 31 | Barbara Laird | 7 | Daughter | — | Indiana |
| 32 | Margaret Laird | 4 | Daughter | — | Indiana |
| 33 | Edward Laird | 2 | Son | — | Indiana |
| 34 | Effie Jenkins | 44 | Head | Lobbying | Michigan |
| 35 | Albert Barrage | 21 | Son | Office Boy | New York |
| 36 | Herbert S. Flowery | 28 | Head | Blacksmith | Georgia |
| 37 | Genevieve Flowery | 27 | Wife | — | Georgia |
| 38 | Reno Flowery | 7 | Son | — | Georgia |
| 39 | Hoyt Flowery | 5 | Son | — | Georgia |
| 40 | Herbert Flowery | 3 | Son | — | Florida |
| 41 | Arthur Madigan | 28 | Head | Tool Maker | Michigan |
| 42 | Grace Madigan | 21 | Wife | — | Ohio |
Pedigree Summary
Mary + 6 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)