Deb.
Further to Merc's comment:
1841 Census
William BROOKER, 60Yrs old, Ship Wright
Esther BROOKER, 60Yrs old
Mary BROOKER, 25Yrs old
John BROOKER, 20Yrs old, Ship Carver
Margaret BROOKER, 15Yrs old
William BROOKER, 31Yrs old, Ship Wright
Mary BROOKER, 31Yrs old
Esther BROOKER, 11Yrs old
Priscilla BROOKER, 9Yrs old
William BROOKER, 3Yrs old
Margaret BROOKER, 2Yrs old
(All born 'In County')
Also, from IGI familysearch:
Christenings
1. William BROOKER
Christened: 11th August 1833, St Nicholas, Liverpool
Parents: William & Mary BROOKER
(This Wm must have Died @1833-38?)
2. William Gorton BROOKER
Christened: 4th February 1838, St Nicholas, Liverpool
Parents: William & Mary BROOKER
3. Margaret BROOKER
Christened: 9th June 1839, St Nicholas, liverpool
Parents: William & Esther BROOKER
4. Hester BROOKER
Christened: 20th September 1829, St Nicholas, Liverpool
Parents: William & Esther BROOKER
5. Pricilla BROOKER
Christened: 20th November 1831, St Nicholas, Liverpool
Parents: William & Mary BROOKER
6. Alfred BROOKER
Christened: 6th May 1849, St Nicholas, Liverpool
Parents: William & Mary BROOKER
7. Esther BROOKER
Christened: 20th Bebruary 1803, Eccleston by Chorley, Lanc's
Parents: William & Esther BROOKER
Marriages
1. William BROOKER & 'Easter' GORTON (miss-Transcribed I think!)

12th April 1801, Leyland, Lanc's
2. William BROOKER & Mary WHELSBY
30th March 1829, St Nicholas, Liverpool