Dob from age 45 yrs in 1860 Philadelphia Census.

Age 63 at death in 1880 = 1817

Age 40 yrs in 1860 Philadelphia Census = 1820

Gived her age as 25 in 1844 Immigration record = 1819.

BB: The Death record below for Nancy did not give any dates other than the year 1880.  However, the attached Death Cert says she died on Sep 21 1880.  She was buried on Sep 24 1880.  See below.
Name:     Nancy Brewster
Death Date:     1880
Death Place:     Philadelphia, Philadelphia, Pennsylvania
Gender:     Female
Race:     W
Death Age:     63 years
Estimated Birth Year:     1817
Birth Date:
Birthplace:     Ireland
Marital Status:     Married
Spouse's Name:
Father's Name:
Father's Birthplace:
Mother's Name:
Mother's Birthplace:
Occupation:
Street Address:
Place of Residence:
Cemetery:     Mount Moriah Cemetery
Burial Place:
Burial Date:     1880
Additional Relatives:
Film Number:     2047251
Digital Folder Number:     4058645
Image Number:     305
Note:  She died at 13th & Kater St which is also where some of the babies of her daughter. Annie Millman, died.

Aged 24 in 1860 US Census.

DoB fron his Philly death cert.

Immigrated in 1844 aged 7.

Died in Philly of Catarrh of the Stomach.

Name:   Robert C. Brewster
Death Date:     16 Nov 1906
Death Place:    Philadelphia, Philadelphia, Pennsylvania
Gender:         Male
Race:   W
Death Age:      69 years 2 months 7 days
Estimated Birth Year:
Birth Date:     09 Sep 1837
Birthplace:     Ireland
Marital Status:         Married
Spouse's Name:
Father's Name:  William Brewster
Father's Birthplace:    Ireland
Mother's Name:  Nancy Creeleman
Mother's Birthplace:    Ireland
Occupation:     Meat Packer
Street Address:         626 ... St. 39th Ward
Place of Residence:     Philadelphia, Philadelphia, Pennsylvania
Cemetery:       Mt. Mosiah Cemetery
Burial Place:
Burial Date:    20 Nov 1906
Additional Relatives:
Film Number:    1319475
Digital Folder Number:  4008847
Image Number:   181
Reference Number:       cn 28166

Aged 21 in 1860 US Census

Aged 27 in 1870

Name: Sarah Jane Bruster
Event: Death
Event Date: 18 Jun 1848
Event Place: Philadelphia, Philadelphia, Pennsylvania
Gender: Female
Race:
Age: 3
Estimated Birth Year: 1845
Burial Place: 1st Ref Presbyterian Church Burial Date:
Film Number: 1906777
Digital Folder Number: 4009824
Image Number: 1045
Reference Number: also fn 1047  

Death cert shows she died of hydrocephalis

Dob from age 10 yrs in 1860 Philadelphia Census.

Baptisms for children of William and Nancy Brewster at 1st Ref Presbyterian Church in Philadelphia:
Ann Jane Brewster bap July 7 1850 (the one who married Millman and is buried with her mother Nancy)
Charles Brewster bap July 4 1852 (b Mar 31, 1852)  (Bap along with Mary Ann and Matilda Gray who may be his cousins if Nancy Creelman Brewster is the sister of Sarah Gray.) (He eventually went to Texas and married and died there)
John Brewster bap Jul 5 1857 (b Dec 28 1857 - must mean 1856)
Hugh Brewster bap Apr 25 1861 (b July 19 1860)

Name:     Annie J. Millman
Death Date:     30 Oct 1887
Death Place:     Philadelphia, Philadelphia, Pennsylvania
Gender:     Female
Race:     White
Death Age:     39 years
Estimated Birth Year:     1848
Birth Date:
Birthplace:     Phila.
Marital Status:     Married
Spouse's Name:
Father's Name:
Father's Birthplace:
Mother's Name:
Mother's Birthplace:
Occupation:
Street Address:     767 S. 13th St. Ward 37 Place of Residence:
Cemetery:     Mount Moriah
Burial Place:
Burial Date:     02 Nov 1887
Additional Relatives:
Film Number:     2078965
Digital Folder Number:     4010354
Image Number:     39

She is buried with her mother in 122  47 at Mount Moriah

Dob from age 8 yrs in 1860 Philadelphia Census.

Baptisms for children of William and Nancy Brewster at 1st Ref Presbyterian Church in Philadelphia:
Ann Jane Brewster bap July 7 1850 (the one who married Millman and is buried with her mother Nancy)
Charles Brewster bap July 4 1852 (b Mar 31, 1852)  (Bap along with Mary Ann and Matilda Gray who may be his cousins if Nancy Creelman Brewster is the sister of Sarah Gray.) (He eventually went to Texas and married and died there)
John Brewster bap Jul 5 1857 (b Dec 28 1857 - must mean 1856)
Hugh Brewster bap Apr 25 1861 (b July 19 1860)

Charles George Brewster
    * Birth:  1852 - Philadelphia, Philadelphia, Pennsylvania, USA
    * Death:  1893
    * Parents:  William Brewster, Nancy Crealman
    * Spouse:  Martha Caroline Graham


1880 US Census Grayson Co., Texas
Name: C. G. Brewster
Residence: Precinct 4, Grayson, Texas
Birthdate: 1852
Birthplace: Pennsylvania, United States Relationship to Head: Self Spouse's Name: M. C. Brewster Spouse's Birthplace: Arkansas, United States Father's Name:
Father's Birthplace: Ireland
Mother's Name:
Mother's Birthplace: Ireland
Race or Color (Expanded): White
Ethnicity (Standardized): American
Gender: Male
Martial Status: Married
Age (Expanded): 28 years
Occupation: Farmer
NARA Film Number: T9-1307
Page: 263
Page Character: D
Entry Number: 366
Film number: 1255307
  Household Gender Age
   C. G. Brewster  M 28
Spouse  M. C. Brewster  F 25  (Martha Caroline nee Graham) Child  Annie Brewster  F 4 E. T. Watson  M 21

Dob from age 6 yrs in 1860 Philadelphia Census.

Aged 3 in 1860 US Census.

Baptisms for children of William and Nancy Brewster at 1st Ref Presbyterian Church in Philadelphia:
Ann Jane Brewster bap July 7 1850 (the one who married Millman and is buried with her mother Nancy)
Charles Brewster bap July 4 1852 (b Mar 31, 1852)  (Bap along with Mary Ann and Matilda Gray who may be his cousins if Nancy Creelman Brewster is the sister of Sarah Gray.) (He eventually went to Texas and married and died there)
John Brewster bap Jul 5 1857 (b Dec 28 1857 - must mean 1856)
Hugh Brewster bap Apr 25 1861 (b July 19 1860)

Name: John H. Brewster 
Event: Death 
Event Date: 24 Jul 1901 
Event Place: Philadelphia, Philadelphia, Pennsylvania 
Gender: Male 
Race: White 
Age: 44 
Estimated Birth Year: 1857 
Birth Date:
Birthplace: Penna. 
Marital Status: Married 
Spouse:
Father: William Brewster 
Father's Birthplace:
Mother: Nancy Brewster 
Mother's Birthplace:
Occupation: Rigger 
Street Address: 1620 S. Camac St. (Ward 21) 
Residence: Philadelphia, Philadelphia, Pennsylvania 
Cemetery: Mt. Moriah Cem. 
Burial Place: Philadelphia, Philadelphia, Pennsylvania 
Burial Date: 28 Jul 1901 
Additional Relatives:
Film Number: 1853174 
Digital Folder Number: 4009518 
Image Number: 1249 
Reference Number: cn 2571 

Dob from age 11/12 yrs in 1860 Philadelphia Census.

Baptisms for children of William and Nancy Brewster at 1st Ref Presbyterian Church in Philadelphia:
Ann Jane Brewster bap July 7 1850 (the one who married Millman and is buried with her mother Nancy)
Charles Brewster bap July 4 1852 (b Mar 31, 1852)  (Bap along with Mary Ann and Matilda Gray who may be his cousins if Nancy Creelman Brewster is the sister of Sarah Gray.) (He eventually went to Texas and married and died there)
John Brewster bap Jul 5 1857 (b Dec 28 1857 - must mean 1856)
Hugh Brewster bap Apr 25 1861 (b July 19 1860)