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Trying to find more information on a distance relative. I believe he moved to Dorset and died in 1988 in the Weymouth area.

He had 2 younger sisters Nora Olive Port and Ivy Muriel Port 1909-1989, who too moved from London to the Bridport area. Parents were George Henry and Hannah Mary Port.

What sort of information are you trying to find, and where have you looked?
Have you got the death certificates, so you know who the informants are for more information?
Thanks

Added:
Frank Herbert Port
Record Type: Baptism
Baptism Date: 7 May 1905
Father's Name: George Henry Port
Mother's Name: Hannah Mary Port
Parish or Poor Law Union: Shepherds Bush St Stephen
Borough: Hammersmith and Fulham
Register Type: Parish Registers

This looks like his death:

Name: Frank Herbert Port
Birth Date: 19 Apr 1905
Date of Registration: Jun 1988
Age at Death: 83
Registration district: Weymouth
Inferred County: Dorset
Volume: 23
Page: 942


Jan

Quite a few siblings it seems!

1911 England Census
Name: Frank Herbert Port
Age in 1911: 5
Estimated Birth Year: abt 1906
Relation to Head: Son
Gender: Male
Birth Place: London, United Kingdom
Civil parish: Hammersmith
County/Island: London
Country: England
Street Address: 74 Godolphin Road, Shepherds Bush W
Marital Status: Single
Occupation: SCHOOL
Registration district: Fulham
Registration District Number: 3
Sub-registration district: North Hammersmith

George Henry Port 48
Hannah Mary Port 44
Thomas Henry Port 18
Amy Kathleen Port 16
Marjorie Louisa Charlotte Port 13
Walter William Port 11
Frank Herbert Port 5
Nora Olive Port 3
Ivy Muriel Port 2
William Terry Guy Port

?
Nora Olive Port
Birth Date: 30 May 1907
Date of Registration: Jan-Feb-Mar 1974
Age at Death: 66
Registration district: Bridport
Inferred County: Dorset
Volume: 7c
Page: 30

Added:
Ivy Muriel Port
Birth Year: abt 1909
Age: 80
Burial Date: 10 May 1989
Parish: Beaminster

Ivy Muriel Port
Birth Date: 3 Jan 1909
Date of Registration: May 1989
Age at Death: 80
Registration district: Bridport
Inferred County: Dorset
Volume: 23
Page: 404

Household transcription
1911 census

Person: PORT, Frank Herbert
Address: 74 Godolphin Road W

PORT, George Henry Head Married M 48 1863 Canvasser Sussex Brighton VIEW
PORT, Hannah Mary Wife Married22 years F 44 1867 Sussex East Hothley VIEW
PORT, Thomas Henry Son Single M 18 1893 Apprentice Sussex Brighton VIEW
PORT, Amy Kathleen Daughter Single F 16 1895 Apprentice Clerk London Shepherds Bush VIEW
PORT, Marjorie Louisa Charlotte Daughter Single F 13 1898 School London Shepherds Bush VIEW
PORT, Walter William Son Single M 11 1900 School London Shepherds Bush VIEW
PORT, Frank Herbert Son Single M 5 1906 School London Shepherds Bush VIEW
PORT, Nora Olive Daughter Single F 3 1908 London Shepherds Bush VIEW
PORT, Ivy Muriel Daughter Single F 2 1909 London Shepherds Bush VIEW
GUY, William Terry Visitor Single M 50 1861 Carpenter Sussex East Hothly VIEW
RG number: RG14
Piece: 199
Reference: RG14PN199 RG78PN7 RD3 SD1 ED5 SN40
Registration District: Fulham
Sub District: North Hammersmith
Enumeration District: 5
Parish: Hammersmith
Address: 74 Godolphin Road W
County: London
(10 children born, 9 living, 1 had died)

I think Hannah was Hannah Guy:

Marriages Sep 1888 (>99%)
Guy Hannah Mary Hailsham 2b 149
LISTER William Hailsham 2b 149
PORT George Henry Hailsham 2b 149
STRATFORD Clara Agnes Hailsham 2b 149

Thank you for your help and suggestions . What a large family; will get the Death Certificates and see where it takes me next. :-)