Her baptism index:

First name(s) Catherine
Last name Hughes
Baptism year 1812
Baptism date 1 0 May 1812
Relationship Daughter of
Father's first name(s) Thomas
Father's last name -
Mother's first name(s) Sarah
Mother's last name 10
Place Biddenden
County Kent
Country England
Record source Biddenden baptisms 1538-1899
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In 1851, she was mistress of this enormous household:

First name(s) Last name Relationship Marital status  Gender  Age Birth year Occupation Birth place

Katherine Peareth Head Married Female 40 1811  Wife Of Landed Proprietor Kent
K R Peareth Daughter Unmarried Female 18 1833  Daur Of Landed Proprietor Kent
Julia Js Peareth Daughter Unmarried Female  14  1837  Daur Of Landed Proprietor  Usworth, Durham
Alice M Peareth Daughter - Female 4 1847  Daur Of Landed Proprietor  Folkestone, Kent
Thomas Rd Peareth Son - Male 3 1848 Son Of Landed Proprietor   Folkestone, Kent
Henry Jn Peareth Son - Male 1 1850 Son Of Landed Proprietor  Folkestone, Kent
Robert D Peareth Son - Male 0 1851 Son Of Landed Proprietor  Folkestone, Kent
Fanny D Forbes Visitor Married Female 46 1805  Wife Of Judge In East Indies  Kent
Rebecca Bromham Servant Widow Female 68 1783  Head Nurse  Kent
Susanna Campbell Servant Widow Female 29 1822  House Keeper  Kent
Ellen Eldridge Servant Unmarried Female 23  1828  Ladys Maid  Battle, Sussex
Mary A Eldridge Servant Unmarried Female 25  1826  Ladys Maid  Sedlescombe, Sussex
Ann Reeve Servant Unmarried Female 24 1827  Under Nurse  Newport, Monmouthshire, Wales
Louisa Gage Servant Unmarried Female 22 1829  Under Nurse  Canterbury, Kent
Mary Harvey Servant Unmarried Female 19 1832  Nursery Maid  Canterbury, Kent
Harriot Fawler Servant Unmarried Female 25 1826  Upper House Maid  Ashford, Kent
Katherine Young Servant Unmarried Female 21  1830  Under House Maid  Lydd, Kent
Elizabeth Crosley Servant Unmarried Female 23  1828  Kitchen Maid  Yorkshire
Elizabeth Reynolds Servant Married Female 27  1824  Visitors Ladys Maid  Kent
William Graham Servant Unmarried Male 40 1811  Butler  Northumberland
James Foster Servant Married Male 38 1813  Footman  Medomsley, Durham
Edward Hughes Servant Unmarried Male 29 1822  Coachman  Westbury, Gloucestershire
Edward Merryfield Servant Unmarried Male 20  1831  Groom  Alresford, Hampshire

Census details
First name(s) Katherine
Last name Peareth
Relationship Head
Marital status Married
Gender Female
Age 40
Birth year 1811
Occupation Wife Of Landed Proprietor
Birth place England
Birth town -
Birth town as transcribed Beneden
Birth county Kent
Birth county as transcribed Kent
House name Cliff House
Street Lower Road Radnor Cliff
Town -
Parish -
City -
County Kent
Hamlet Sandgate
Parliamentary borough Hythe
Municipal ward Folkestone
Registration district Elham
Archive reference HO107
Piece number 1633
Folio 56
Page 31
Record set 1851 England, Wales & Scotland Census
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Did she remarry later?

Surname   First name(s)      District   Vol   Page
Marriages Dec 1862   (>99%)
Bulmer William Southampton 2c 26
Holley Mary    Southampton 2c 26
PEARETH Katherine    Southampton 2c 26
Small Thomas    Southampton 2c 26

Her new husband was William Bulkmer as the 1871 and 1891 censuses show.
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In 1871 she was lodging in Walcot, Bath with her daughter:

First name(s) Last name Relationship Marital status  Gender  Age Birth year Occupation Birth place

Katherine Bulmer Lodger - Female 60 1811  -  Kent
Charlotte C Peareth Lodger - Female 18 1853  -  Kent

Census details
First name(s) Katherine
Last name Bulmer
Relationship Lodger
Marital status -
Gender Female
Age 60
Birth year 1811
Occupation -
Birth town -
Birth county Kent
Birth county as transcribed KENT
Birth place England
House name -
Street Oxford Row
Parish Walcot
Town Bath
City Bath
County Somerset
Country England
Registration district Bath
Archive reference RG10
Piece number 2493
Folio 58
Page 23
Record set 1871 England, Wales & Scotland Census
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In 1891 she was with her daughter Alice M Jervis in Littleworth, Berks and aged 80.

I have not found her husband with her in any census but she evidently died at his vicarage.
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Her death index:

Surname   First name(s)   Age   District   Vol  Page
Deaths Mar 1893   (>99%)
Bulmer Katherine 82 Faringdon 2c 197

Having found that, the Gov Wills site finds her details, see Wills Notes
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The Wills index site has this for he index entry:

BULMER Katherine of Buckland Vicarage Faringdon Berks (wife of the reverend William Bulmer clerk) died 14 March 1893 Probate London 9 March to the said reverend William Bulmer  Effects 4176 3s 8d.

Their marriage index, from FamilySearch:

First name(s) Katharine
Last name Hodges
Name note Esq.
Marriage year 1830
Marriage date 01 Jun 1830
Marriage place Benenden
Spouse's first name(s) William
Spouse's last name Peareth
Residence Benenden, Kent, England
County Kent
Country England
Record set England Marriages 1538-1973
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