The following parishes records have been searched without finding any STERRYS:

Ashen (Baptisms 1560-1813, Marriages 1558-1837 & Burials 1558-1652 -Modern Transcript)
Ballingdon (Baptisms 1615-1812, Marriages 1696-1812 & Burials 1620-1812 -Modern Transcript)
Balchamp Otton (Baptisms 1578-1812, Marriages 1578-1837 & Burials 1578-1837 -Modern Transcript)
Belchamp St Pauls (Baptisms 1538-1778, Marriages 1538-1837 & Burials 1538-1800 -Modern Transcript)
Farnham (Baptisms 1559-1804 - Modern Transcription)
Foxearth (Baptisms 1551-1617, 1705-1812; Marriages 1705-1812; Burials 1705-1812-PR)
Helions Bumpstead (Baptisms 1559-1812, Marriages 1559-1837 and Burials 1558-1812 -Modern Transcript)
Leyton Parish Church plus St John Baptist's Chapel (Baptisms, Marriages & Burials 1820-1849)
Liston (Baptisms 1599-1812, Marriages 1602-1837 & Burials 1599-1812 - Index)
Stock Harward (Baptisms, Marriages & Burials 1563-1700)
Woodford (Burials 1638-1812)

Monumental inscriptions for the following parishes have been checked without finding any Sterrys:
Bulmer
Chelmsford London Rd
Colne Engaine
Fairstead
Faulkbourne
Frating
Great Warley
Lexden
Mucking St John Baptist
Rainham, St Helen & St Giles
Rivenhall
Tolleshunt Knights
Wennington, St Mary and St Peter
Witham

The following parishes have been searched and have located STERRYS or similar:

Bradwell Juxta Mare

The IGI lists one marriage:
1661 May 2 Emma Starey married Thomas Gelding

Chelmsford
Burials

There is a Sterry Will listed for Chelmsford:
1829 Eleonona Sterry, wid, Billericay, 245 BR33

There is a War Memorial at Chelmsford St Mary the Virgin (Catherdral) for an Annie Sterry in 1942 (ref. C22). Found on familyhistoryonline website.

Chigwell

The IGI lists one marriage:
1610 Sep 3 Richard Stary & Jane

There is a Boyd's Marriage Index entry:
1610 STARY Ric & Jane ..., Chigwell

Colchester All Saints

There are Boyd's Marriage Index entries:
1690 STIRIE Savil & An Ball, Colchester AS
1715 STERRY Elz & Peter Daw, Colchester AS

Colchester St Botolph

There are Boyd's Marriage Index entries:
1605 STERE Emme & Rob Polhill, Colchester Bot
1610 STERE Mary & Tho Hawkins, Colchester Bot

Colchester St Nicholas

There is a Boyd's Marriage Index entry:
1689 STERRY Wm & Mary Rainham, Colchester Nic

Grays Thurrock

There is a Boyd's Marriage Index entry:
1747 STERRY Nath & Elz Sach, Grays Thurrock

Great Burstead
Burials

The NBI 2nd ed has the following burials for Great Burstead St Mary Magdalene:
1773 Apr 7 Mary Sterry (Also found on familyhistoryonline website as MI)
1829 Feb 2 Eleonora Sterry aged 80

Harwich (St Nicholas)
Burials

The National Burials Index (2nd ed) lists the following burial:
1711 Mar 9 John Sterry

Henham
Marriages

The IGI lists one marriage:
##1795 Dec 8 Samuel Henry Sterry and Mary Dowley

Henham
Burials

The NBI 2nd ed has the following burial for Henham St Mary the Virgin:
1779 Feb 8 Wasey Sterry

Kelvedon

Walter Smith's book The Sterry Family lists a marriage in this parish:
1634 Thomas STERRY Married Phillippa TERRANCE at Kelorden

There is a Boyd's Marriage Index entry:
1634 Sterry Tho & Phillip Temance, Kelvedon

Langham St Mary
Burials

The NBI 2nd ed. has the following burial for Langham St Mary:
1930 May 17 Leonard William Sterry aged 51

Messing

There is a Boyd's Marriage Index entry:
1610 STERE Su & Will Root, Messing

Romford

Walter Smith's book The Sterry Family lists a marriage in this parish:
1713 Oct 13 Robert STERRY Married Mary WOOD at Romford, Essex. Both Robert and Mary of Gray's Thurcock.
This marriage also listed in the IGI.

The IGI lists baptisms in Romford:
##1796 Dec 23 Ellen Benge STERRY d. Benjamin Massey STERRY and Mary
##1798 Apr  Charles STERRY s. Benjamin STERRY
##1802 Nov 2 William Sterry s. Benjamin Sterry
##1804 Mar 13 Frances Sterry d. Benjamin Sterry

There are Boyd's Marriage Index entries:
1575 STERRY Jn & Maria Story, Romford
1713 STERRY Rob & Mary Wood, Romford

There are Monumental Inscriptions in St Edward's, Romford:
##STERRY (in church) Benjamin (62) 1830
##STERRY (in church) Maria (59) 1826
##STERRY (in church) Wasey (41) 1842

Sibil Hedingham
Baptisms 1560-1837 (PR)
1632 Mar 24 Martha d. Thos Steares

Sibil Hedingham
Marriages 1599-1800 (PR)
1783 Apr 29 Thomas Barnard & Mary Steare

Sibil Hedingham
Burials 1560-1837 (PR)
Nil

Thaxted
Marriages

The IGI lists a marriage:
1790 Nov 26 Ann STERRY married Francis PATIENT

Upminster
Marriages

There is a Boyd's Marriage Index entry:
##1836 STERRY Eln & Tho Norris, Upminster

Upminster
Burials

The NBI 2nd ed has the following burials for Upminster St Laurence:
1836 Dec 24 Wesley Sterry aged 5mths
1858 Jul 29 Wasey Sterry aged 24

Wivenhoe

There is a Boyd's Marriage Index entry:
1649 STERE Dan & Rose Hamton, Wyvenhoe

There is a Boyd's Marriage Index entry for a Quaker marriage, parish not indicated:
##1799 STERRY Jos & An Hix, Friends

Legend:

## = Southwark, Surrey, UK line