"The registers of Dewsbury, Yorkshire"
by Chadwick, S. J. (Samuel Joseph) (Main Author)
from FHL BRITISH Film 100089
The register start date is July 1538. Background information regarding the Dewsbury registers found in the Source section on the home page.

Earliest Chadwick listings from the above Dewsbury registers

1. 1631, 2 February. Marriage of Robert Chadwick to Francis Barghe

2. 1645, 22 April. Marriage of Marye Chadwicke to George Dawson.

3. 1652, 14 February. Marriage of Alice Chadwicke to George Ellis.

Others early christenings records found in Dewsbury Parish Records.
The family of Jeremiah CHADWICK with wife unknown.
1690, Jan, Johannes
1692, Mar 1 Sarah, daughter
1699, May 1, Josepheus, son
1700, Sept 9, burial of Josepheus
1701, Feb 10 , Benjamin, con
1701, Feb. 12, Burial of Benjamin
1702, Dec 16 , Still born son
1704, Apr 29, Martha, daughter
1709, Nov 10, Hannah, daughers

Father: Jacobus & Unknown.
1709, Jacobi, James

Marriage of Sarah Chadwick to Joseph Ellis, July 26 1739,
and children listed.

Others in Parish Batley are:
Richard Chadwick, married Maria Illinsworth, July 18 1702, with 3 christenings of children
Benjamin Chadwick christened a son, Ben, 1705 with only this christening.
The above individuals had to be born in the late 1670s or early 1680 using a marriage
age of 26 which I have found very successful in calculation date of births