The 1911 census shows Thomas was born in Bolton and was 5 in 1911, so probably the first of these three matches:

Dec 1904   (>99%)  ROBINSON  Thomas     Bolton  8c 399  
Dec 1905   (>99%)  ROBINSON  Thomas     Bolton  8c 369  
Sep 1906   (>99%)  Robinson  Thomas     Bolton  8c 500  

DOB obtained from 1939 Register

Burial:  Llandrillo-yn-Rhos, Rhos-on Sea, Conwy

Name:    Edna Amelia Lloyd
Age:    0
Birth Date:    10 Dec 1911
Baptism Date:    7 Jan 1912
Baptism Place:    Ashton Under Lyne, Hurst St John, Lancashire
Father:    Edward Lloyd
Mother:    Ada Amelia Lloyd
Reference Number:    L57/1/1/3
Item Number:    6
Archive Roll:    549

Burial: 1984
Place: Llandrillo-yn-Rhos, Rhos-on Sea, Conwy

Name: Wendy P Robinson
Mother's Maiden Surname: Lloyd 
Date of Registration: Jan Feb Mar 1937
Registration district: Barton, Lancashire 
Volume Number: 8c 
Page Number: 690

Newspaper clipping:
Robinson – on March, 17th, 1937 at Westcliff Nursing Home, Eccles to Mr & Mrs.T.Robinson (nee Edna.A.Lloyd) a daughter both well, daughter Wendy, (see Tom & Edna Lloyd)

Died at Colwyn Bay, North Wales

Name:    Ms Wendy Patricia Robinson
Gender:    Female
Age:    78
Birth Date:    1937
Last Residence:    Colwyn Bay, Denbighshire, Wales
Postal Code District:    LL29
Death Date:    19 Nov 2015

Name: Graham J Robinson
Mother's Maiden Surname: Lloyd 
Date of Registration: Jan Feb Mar 1944
Registration district: Heywood, Lancashire 
Volume Number: 8c 
Page Number: 722 

Lancashire Birth indexes for the years: 1944
ROBINSON    Graham John    LLOYD    Radcliffe, Bury    RAD/14/74