MH
Mary Hawkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pottawattamie-County, Iowa
Our Model Tree links this Mary Hawkins across the 1920, 1930 and 1940 US Censuses in Pottawattamie-County, Iowa (XGBoost, ~Confirmed), with identified parents Gilbert & Clifford — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pottawattamie-County, Iowa |
| Surname | Hawkins |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Council Bluffs City |
| 1935 Residence (County) | Pottawattamie |
| Additional Details | |
| Occupation | Maid Work |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 80 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Maid Work |
| Township / Ward | Council Bluffs City |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Mary Hawkins | Daughter | — | 21 | ~1919 |
| Gilbert Hawkins | Head | — | 70 | ~1870 |
| Robert Hawkins | Son | — | 10 | ~1930 |
| Gilbert Hawkins | Son | — | 13 | ~1927 |
| Effie Hawkins | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Pottawattamie, Iowa
Daughter, age 1
Pottawattamie, Iowa · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hawkins |
| Given Name | Mary Virginia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pottawattamie, Iowa
Daughter, age 11
Pottawattamie, Iowa · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hawkins |
| Given Name | Mary T. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pottawattamie-County, Iowa
Daughter, age 21
Pottawattamie-County, Iowa · implied b. ~1919 — 5 household members
| Surname | Hawkins |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Council Bluffs City |
| 1935 Residence (County) | Pottawattamie |
| Occupation | Maid Work |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 80 |
| Highest Grade | No 7 |
| 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 Hawkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gilbert Hawkins (~0.92 confidence) and father Clifford Hawkins (~0.92 confidence) and father Gilbert Hawkins (~0.92 confidence) and mother Effie Hawkins (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gilbert Hawkins
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Clifford Hawkins
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Gilbert Hawkins
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Effie Hawkins
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hawkins
Daughter · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Robert Hawkins
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Hawkins
Sibling · 1940 · age 13
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 — Pottawattamie-County, Iowa
Open full size
1940 US Federal Census — Pottawattamie-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01198-00707)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Laurianne R. Johnson | 15 | Daughter | — | Iowa |
| 42 | Gladys C. Hines | 32 | Daughter | Bookkeeper | Iowa |
| 43 | Abbott J. Tyler | 78 | Lodger | Owner | Iowa |
| 44 | Martha M. Briggs | 53 | Head | — | Iowa |
| 45 | Francis M. Briggs | 12 | Son | — | Iowa |
| 46 | Abbott T. Fried | 73 | Head | — | Illinois |
| 47 | Dottie Fried | 69 | Wife | — | Illinois |
| 48 | John D. Fried | 32 | Son | Clerk | Nebraska |
| 49 | Gilbert H. Hawkins | 70 | Head | — | England |
| 50 | Effie C. Hawkins | 55 | Wife | — | Iowa |
| 51 | Mary V. Hawkins THIS PERSON | 21 | Daughter | Maid Work | Iowa |
| 52 | Gilbert H. Jr. Hawkins | 13 | Son | — | Iowa |
| 53 | Robert Alvin Hawkins | 10 | Son | — | Iowa |
| 54 | Ray H. James | 53 | Head | Cement Finisher | Iowa |
| 55 | Adah M. James | 45 | Wife | — | Illinois |
| 56 | Edmund E. James | 18 | Son | Maid Horse | Nebraska |
| 57 | Marilyn K. Henning | 1 | Grand Daughter | — | Iowa |
| 58 | Orvah A. Pitcher | 24 | Head | Truck Operator | Kansas |
| 59 | Verneda G. Pitcher | 22 | Wife | — | Iowa |
| 60 | Lois M. Pitcher | 4 | Daughter | — | Iowa |
| 61 | Orvah A. Jr. Pitcher | 3 | Son | — | Iowa |
| 62 | Richard Dean Pitcher | 0 | Son | — | Iowa |
| 63 | Theodore F. Spotman | 41 | Head | Executive Department Manager | Iowa |
| 64 | Emma L. Spotman | 55 | Sister | Manager | Iowa |
| 65 | Katherine N. Holst | 40 | Servant | Maid Work | Iowa |
| 66 | Martin P. Hughes | 62 | Head | Owner | Iowa |
| 67 | Grace T. Hughes | 41 | Wife | — | Missouri |
| 68 | Leo H. Hermsen | 48 | Head | Time Keeper | Iowa |
| 69 | Mary V. Hermsen | 43 | Wife | — | Iowa |
| 70 | Robert L. Hermsen | 15 | Son | — | Iowa |
| 71 | Gilbert E. Bakken | 45 | Head | Owner | Missouri |
| 72 | Chayo A. Bakken | 44 | Wife | — | Iowa |
| 73 | Maxyne K. Bakken | 31 | Daughter | New Worker | Iowa |
| 74 | Gilbert E. Jr. Bakken | 18 | Son | Laborer | Iowa |
| 75 | Caroline R. Evans | 60 | Head | Office Manager | Iowa |
| 76 | Ends Block #19 And Starts Block #18 Evans | None | — | — | — |
| 77 | Lucius P. Pryor | 61 | Head | Concert Manager | Iowa |
| 78 | Grace B. Pryor | 53 | Wife | — | Illinois |
| 79 | Philip K. Pryor | 32 | Son | Concert Salesman | Iowa |
| 80 | Helen K. Pryor | 28 | Daughter | Stenographer | 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)