Bit of a long shot but was wondering if this MIGHT be William Senior born c 1846 Laugharne
on 1851 census with a mother named Liddea/Lidia/Lydia
1851HO107; Piece: 2472; Folio: 455; Page: 19
Sorry can’t make out the full address C? House
James MORGAN 34 Boat man
Liddea 36 St Clears
Ann 11
Richard 9
Margaret 8
Elizabeth 7
WILLIAM 5 (1846) Laugharne TownshipRebecca 4
James 2
Isbelia 1 week
1841HO107; Piece: 1382; Book: 10; Civil Parish: Laugharne Carmarthenshire; E D: 4; Folio: 11; Page: 14
Castle Street Township of Laugharne
James Morgen 20 occupation He???ng man
Lidia 25
Ann 1
William 5 months
FreeBMD has this marriage entry
Sep 1839 Carmarthen
James MORGANName on same page
Lydia LEWIS1839 marriage (no parents named)
https://familysearch.org/pal:/MM9.1.1/KCLL-2JLADDEDNot sure if this is the same Isabella (Isbelia from 1851 census)
1891 RG12; Piece: 4516; Folio: 46; Page: 1
Water Street
Isabella GEORGE married 39 Laugharne
James JONES son 19 collier
Sarah George dau 5
David Philip George son 6 months
Lydia MORGAN mother widow 77 St Clear of no occupation
possible death of Lydia but age does not match
https://familysearch.org/pal:/MM9.1.1/KCLG-XV11881RG11; Piece: 5397; Folio: 114; Page: 34
Isabella JONES widow 30 Laugharne occ Servant
1881 census
Lydia Morgan fishermans widow with grandson James JONES age 9
https://familysearch.org/pal:/MM9.1.1/XQW4-3KZ1871RG10; Piece: 5494; Folio: 50; Page: 12
Cliff Side Laugharne
Lydia MORGAN
widow 57 St Clear Carmarthenshire
Matilda 18 servant
John 14
Thomas 13 sailor boy
Isabella JONES married boarder 20 Laugharne sailors wife
Marriage entry Mar 1871 Carmarthen
William David JONES only other name on page
Isabella MORGAN1871 marriage (no father's name given)
https://familysearch.org/pal:/MM9.1.1/KCLL-P5YCan’t find Lydia, Isabella, Matilda, John, Thomas Morgan on 1861 census

wanted to check whether Lydia & Isabella are the same persons from 1851 census with husband/father James