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Mary Mcnally — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this Mary Mcnally across the 1920, 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | McNally |
| Given Name | Mary P |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Julien |
| 1935 Residence (County) | Dubuque |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 242 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Operator |
| Township / Ward | Julien |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mcnally | Head | — | 58 | ~1882 |
| Joseph Mcnally | Son | — | 28 | ~1912 |
| Mary Mcnally | Daughter | — | 22 | ~1918 |
| Anna Mcnally | Spouse | — | 52 | ~1888 |
| Paul Mcnally | Daughter | — | 20 | ~1920 |
Census Appearances
1920
Dubuque, Iowa
Daughter, age 1
Dubuque, Iowa · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNally |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dubuque, Iowa
Daughter, age 12
Dubuque, Iowa · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNally |
| Given Name | Mary R |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Daughter, age 22
Dubuque-County, Iowa · implied b. ~1918 — 5 household members
| Surname | McNally |
| Given Name | Mary P |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Julien |
| 1935 Residence (County) | Dubuque |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 242 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Mcnally across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Mcnally (~0.92 confidence) and father Joseph Mcnally (~0.92 confidence) and mother Anna Mcnally (~0.92 confidence) and mother Emma Mcnally (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Mcnally
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Joseph Mcnally
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Anna Mcnally
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Emma Mcnally
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mcnally
Daughter · 1940 · age 22 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
Joseph Mcnally
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mcnally
Sibling · 1940 · age 20
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 — Dubuque-County, Iowa
Open full size
1940 US Federal Census — Dubuque-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01159-00279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter K Karlberg | 56 | Head | Executive | Iowa |
| 2 | Gertrude Karlberg | 55 | Wife | — | Iowa |
| 3 | Elisabeth Lange | 58 | Maid | Maid | Germany |
| 4 | William H Dauner | 45 | Head | Sales Mgr. | Illinois |
| 5 | Pauline H Dauner | 42 | Wife | — | Kansas |
| 6 | Jack R Dauner | 16 | Son | — | Iowa |
| 8 | John F Jones | 53 | Head | Accountant | Iowa |
| 9 | Lillian H Jones | 48 | Wife | — | Iowa |
| 10 | John R Jones | 25 | Son | Stock Clerk | Iowa |
| 11 | Robert H Jones | 17 | Son | — | Iowa |
| 12 | Elisabeth Jones | 13 | Daughter | — | Iowa |
| 13 | Charles H Van Gorder | 52 | Head | Purchasing Agt | Kentucky |
| 14 | Naomi Van Gorder | 39 | Wife | — | Indiana |
| 15 | Charles H Van Gorder | 19 | Son | — | Indiana |
| 16 | Charles Rieder | 48 | Head | Sales Mgr | Penn |
| 17 | Gladys Rieder | 39 | Wife | — | Texas |
| 18 | Joseph W Mcnally | 58 | Head | R.R. Mail Clerk | New York |
| 19 | Anna B Mcnally | 52 | Wife | — | Ill |
| 20 | Joseph A Mcnally | 28 | Son | Shipping Clerk | Ill |
| 21 | Mary P Mcnally THIS PERSON | 22 | Daughter | Operator | Iowa |
| 22 | Paul J Mcnally | 20 | Daughter | — | Iowa |
| 23 | Clement Mccauley | 41 | Head | Attendant | Iowa |
| 24 | Marie Mccauley | 36 | Wife | — | Iowa |
| 25 | Robert Mccauley | 14 | Son | — | Iowa |
| 26 | Patricia Mccauley | 10 | Daughter | — | Iowa |
| 27 | William Mccauley | 5 | Son | — | Iowa |
| 28 | Wade Clark | 32 | Head | Salesman | Iowa |
| 29 | Mae Clark | 31 | Wife | — | Iowa |
| 30 | Shirley Mae Clark | 7 | Daughter | — | Iowa |
| 31 | Jennie Daly | 74 | Head | — | Iowa |
| 32 | Florence Daly | 39 | Niece | — | Iowa |
| 33 | Barbara Wombacher | 73 | Head | — | Iowa |
| 34 | Jerome Wombacher | 36 | Son | Salesman | Iowa |
| 35 | Valentine Wombacher | 34 | Son | Woodworker | Iowa |
| 37 | Vincent J Connelly | 38 | Head | Dentist | Iowa |
| 38 | Ruth Connelly | 31 | Wife | — | Iowa |
| 39 | Mary L Connelly | 7 | Daughter | — | Iowa |
| 40 | Lois A Connelly | 5 | Daughter | — | Iowa |
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)