MC
Mary Connolly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Connolly across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Edward & Bertram — first a daughter (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Connolly |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | C 2 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bertram Connolly | Head | — | 53 | ~1887 |
| Crystal Connolly | Spouse | — | 49 | ~1891 |
| Elizabeth Taylor | Daughter | — | 23 | ~1917 |
| William Taylor | Other | — | 4 | ~1936 |
| James Connolly | Son | — | 18 | ~1922 |
| Bertha Scully | Other | — | 70 | ~1870 |
| Mary Connolly | Daughter | — | 25 | ~1915 |
Census Appearances
1920
Wayne, Michigan
Daughter, age 4
Wayne, Michigan · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | Marjorie |
| 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 |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Daughter, age 14
Wayne, Michigan · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | Marjorie H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 25
Wayne-County, Michigan · implied b. ~1915 — 7 household members
| Surname | Connolly |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | C 2 |
| 1935 Residence | Same house |
| 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 Connolly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Connelly (~0.92 confidence) and father Bertram Connolly (~0.92 confidence) and mother Christina Connelly (~0.92 confidence) and mother Crystal Connolly (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Connelly
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Bertram Connolly
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Christina Connelly
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Crystal Connolly
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Connolly
Daughter · 1940 · age 25 · b. ~1915 · Michigan
★ You are viewing this record
Sibling
Elizabeth Taylor
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Connolly
Sibling · 1940 · age 18
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
1940 US Federal Census — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01842-00260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Agnes Beach | 44 | Servant | Servant | Michigan |
| 42 | Bertram Connolly | 53 | Head | Court Reporter | Michigan |
| 43 | Crystal A Connolly | 49 | Wife | — | Michigan |
| 44 | Mary Ellen Connolly THIS PERSON | 25 | Daughter | — | Michigan |
| 45 | "James ""Ab""" Connolly | 18 | Son | — | Michigan |
| 46 | Elizabeth Taylor | 23 | Daughter | — | Michigan |
| 47 | William Taylor | 4 | Grandson | — | Michigan |
| 48 | Bertha Scully | 70 | Aunt | — | Michigan |
| 49 | Willard M Cornelius | 56 | Head | Vice-President | Michigan |
| 50 | Ingeborg Cornelius | 48 | Wife | — | Michigan |
| 51 | Grace Jones | 45 | Servant | Servant | Virginia |
| 52 | Arthur G Rickard | 58 | Head | Resident Manager | New York |
| 53 | Florence Rickard | 55 | Wife | — | New York |
| 54 | Marion Rickard | 28 | Daughter | Saleslady | New York |
| 55 | Beatrice Gibson | 48 | Servant | Servant | Canada English |
| 56 | Frank C Kramer | 66 | Head | Dealer | Ohio |
| 57 | Lorretta Kramer | 54 | Wife | — | Ohio |
| 58 | William Kramer | 15 | Son | — | Michigan |
| 59 | Elizabeth L Kramer | 15 | Daughter | — | Michigan |
| 60 | Beltariana | 31 | Servant | Servant | Michigan |
| 61 | F M Schowalter | 67 | Head | Manager | Wisconsin |
| 62 | Emma Schowalter | 63 | Wife | — | Wisconsin |
| 63 | Nathan Rollins | 47 | Head | Manager | Russia |
| 64 | Madenn Rollins | 44 | Wife | — | Massachusetts |
| 65 | "Elaine ""Ab""" Rollins | 17 | Daughter | — | Michigan |
| 66 | Robert Rollins | 12 | Son | — | Michigan |
| 67 | Amos N Tabor | 32 | Head | Proprietor | Michigan |
| 68 | Alice Tabor | 28 | Wife | — | Michigan |
| 69 | Alan Tabor | 3 | Son | — | Michigan |
| 70 | Eva Keskinen | 24 | Servant | Servant | Michigan |
| 71 | Saimi Kamppinen | 32 | Servant | Servant | Michigan |
| 72 | Evangeline Knapp | 49 | Head | Clerk | Michigan |
| 73 | John D Knapp | 21 | Son | Clerk | Michigan |
| 74 | David F Knapp | 17 | Son | — | Michigan |
| 75 | Jeanette La Fevere | 28 | Niece | — | Michigan |
| 76 | Richard Hockett | 49 | Head | Insurance | Michigan |
| 77 | Anita Hockett | 50 | Wife | — | Tennessee |
| 78 | Janet Hockett | 14 | Daughter | — | Michigan |
| 79 | Jacqueline Hockett | 10 | Daughter | — | Michigan |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)